questionID
stringlengths
10
10
question_text
stringlengths
5
342
answer_choices
stringlengths
17
546
correct_answer
stringclasses
7 values
context
stringclasses
664 values
NDQ_014835
The magnetosphere
a. completely surrounds Earth, b. is found only near Earths poles, c. exists over a region larger than Earth, d. two of the above
d
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014836
Earths magnetic field occurs only over the north and south poles.
a. true, b. false
b
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014837
Earths magnetic force is exerted over a distance.
a. true, b. false
a
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014838
Which statement about magnetic reversals is false?
a. Magnetic reversals have occurred hundreds of times, b. The most recent magnetic reversal occurred 330 million years ago, c. There is hard evidence showing that magnetic reversals have occurred, d. Scientists do not know for certain why magnetic reversals have occurre
b
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014839
The idea that Earth is a magnet was first proposed
a. by William Gilbert in 1800, b. after seismographs were developed, c. before scientists learned about Earths inner structure, d. around the same time that Earths outer core was discovere
c
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014840
Many migrating birds
a. navigate using Earths magnetic field, b. may be able to see Earths magnetic field, c. have natural compasses that they use for migration, d. all of the above
d
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014841
about 80 north latitude
a. magnetosphere, b. north geographic pole, c. outer core, d. north magnetic pole, e. magnetic reversal, f. compass, g. inner core
d
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014842
solid sphere that makes up Earths center
a. magnetosphere, b. north geographic pole, c. outer core, d. north magnetic pole, e. magnetic reversal, f. compass, g. inner core
g
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014843
exactly 90 north latitude
a. magnetosphere, b. north geographic pole, c. outer core, d. north magnetic pole, e. magnetic reversal, f. compass, g. inner core
b
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014844
region deep inside Earth that consists of liquid metals
a. magnetosphere, b. north geographic pole, c. outer core, d. north magnetic pole, e. magnetic reversal, f. compass, g. inner core
c
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014845
Earths magnetic field
a. magnetosphere, b. north geographic pole, c. outer core, d. north magnetic pole, e. magnetic reversal, f. compass, g. inner core
a
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014846
switching of Earths north and south magnetic poles
a. magnetosphere, b. north geographic pole, c. outer core, d. north magnetic pole, e. magnetic reversal, f. compass, g. inner core
e
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_014847
navigation device that always points north
a. magnetosphere, b. north geographic pole, c. outer core, d. north magnetic pole, e. magnetic reversal, f. compass, g. inner core
f
Lesson: earth as a magnet Magnet Earth: Imagine a huge bar magnet passing through Earths axis, as illustrated in Figure 24.10. This is a good representation of Earth as a magnet. Like a bar magnet, Earth has north and south magnetic poles and a magnetic field. Earths Magnetic Poles: Although a compass always points ...
NDQ_015029
homogeneous mixture in which particles are too small to be seen
a. colloid, b. compound, c. element, d. mixture, e. solution, f. suspension, g. crystal
e
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015030
The most common element in Earths crust is
a. water, b. iron, c. hydrogen, d. oxygen
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015031
combination of two or more substances in any proportions
a. colloid, b. compound, c. element, d. mixture, e. solution, f. suspension, g. crystal
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015032
The smallest particle of an element that still has the elements properties is a(n)
a. crystal, b. compound, c. atom, d. molecule
c
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015033
homogeneous mixture in which particles are big enough to reflect light
a. colloid, b. compound, c. element, d. mixture, e. solution, f. suspension, g. crystal
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015034
Aristotle thought there were four elements, including
a. air, b. earth, c. water, d. all of the above
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015035
Whenever elements combine physically, they form
a. mixtures, b. solutions, c. compounds, d. suspensions
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015036
heterogeneous mixture
a. colloid, b. compound, c. element, d. mixture, e. solution, f. suspension, g. crystal
f
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015037
unique substance that forms when two or more elements combine chemically
a. colloid, b. compound, c. element, d. mixture, e. solution, f. suspension, g. crystal
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015038
Which of the following is the best example of a heterogeneous mixture?
a. raisin bran, b. milk, c. orange juice, d. water
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015040
rigid, lattice-like framework of many ions bonded together
a. colloid, b. compound, c. element, d. mixture, e. solution, f. suspension, g. crystal
g
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015041
pure substance that cannot be separated into any other substances
a. colloid, b. compound, c. element, d. mixture, e. solution, f. suspension, g. crystal
c
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015043
I am lighter than air and used to fill balloons. Which element am I?
a. neon, b. carbon, c. oxygen, d. helium
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015046
Iron and nickel are both
a. elements, b. metals, c. compounds, d. two of the above
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015048
Which statement is false about the atoms of a given element?
a. They are all alike, b. They are the same as the atoms of all other elements, c. They have properties of the given element, d. They all have the same structure
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015049
Atoms of the same element are all alike.
a. true, b. false
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015050
John Dalton made all the following contributions to our knowledge of atoms except
a. doing research to show atoms exist, b. introducing modern ideas about atoms, c. developing a theory of the atom, d. arguing that atoms do not exist
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015051
Each compound has a unique set of properties.
a. true, b. false
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015052
Which drink is an example of a compound?
a. lemonade, b. ice tea, c. vanilla milkshake, d. water
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015053
An example of a heterogeneous mixture is
a. salt water, b. gelatin, c. milk, d. trail mix
d
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015054
Atoms can be seen with a hand lens.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015055
Which mixture has the largest particles?
a. muddy water, b. salt water, c. milk, d. lemonade
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015056
There are millions of different elements in the universe.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015057
A crystal consists of molecules that are bonded together.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015058
Each element has a unique set of properties.
a. true, b. false
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015059
The idea of elements was first introduced by John Dalton.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015060
Most elements are found in compounds.
a. true, b. false
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015061
A compound has the same properties as the substances it contains.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015062
A molecule consists of two or more atoms.
a. true, b. false
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015063
Table salt is an example of a compound that forms molecules.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015064
The substances in a mixture may be elements or compounds.
a. true, b. false
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015065
A package of mixed seeds is a homogeneous mixture.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015066
Mixtures are classified on the basis of particle size.
a. true, b. false
a
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015067
Components of mixtures rarely can be separated.
a. true, b. false
b
Lesson: types of matter Elements: An element is a pure substance. It cannot be separated into any other substances. There are more than 90 different elements that occur in nature. Some are much more common than others. Hydrogen is the most common element in the universe. Oxygen is the most common element in Earths cru...
NDQ_015259
electrically neutral atomic particle inside the nucleus of an atom
a. electron, b. ion, c. isotope, d. neutron, e. nucleus, f. proton, g. quark
d
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015260
The smallest particles of an element that still have the elements properties are
a. quarks, b. gluons, c. protons, d. atoms
d
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015261
atom that differs in its number of neutrons from other atoms of the same element
a. electron, b. ion, c. isotope, d. neutron, e. nucleus, f. proton, g. quark
c
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015262
Which statement is true about the nucleus of an atom?
a. It makes up most of the atoms volume, b. It makes up most of the atoms mass, c. It contains protons and electrons, d. It is neutral in electric charge
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015263
negatively charged atomic particle that moves around the nucleus of an atom
a. electron, b. ion, c. isotope, d. neutron, e. nucleus, f. proton, g. quark
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015264
The strong force explains why
a. electrons are attracted to the nucleus, b. the nucleus does not fly apart, c. electrons are smaller than protons, d. none of the above
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015265
The mass number of an atom is its number of
a. electrons, b. protons, c. neutrons, d. protons plus neutrons
d
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015266
positively charged atomic particle inside the nucleus of an atom
a. electron, b. ion, c. isotope, d. neutron, e. nucleus, f. proton, g. quark
f
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015267
type of particle that makes up protons and neutrons
a. electron, b. ion, c. isotope, d. neutron, e. nucleus, f. proton, g. quark
g
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015268
When a fluorine atom gains an electron, it becomes a(n)
a. positive ion, b. isotope, c. cation, d. anion
d
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015270
charged particle that forms when atom gains or loses electron(s)
a. electron, b. ion, c. isotope, d. neutron, e. nucleus, f. proton, g. quark
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015271
tiny region at the center of an atom that contains protons and neutrons
a. electron, b. ion, c. isotope, d. neutron, e. nucleus, f. proton, g. quark
e
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015279
All protons are exactly the same.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015281
Electrons have the same mass as protons.
a. true, b. false
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015284
Atoms may be positive or negative in charge.
a. true, b. false
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015286
All atoms of a given element have the same number of electrons.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015287
There are three quarks in each neutron.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015288
Atoms are the smallest particles of matter.
a. true, b. false
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015289
An atom always has the same number of electrons as neutrons.
a. true, b. false
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015290
The nucleus is at the center of the atom.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015291
Atoms have no electric charge.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015292
The strong force keeps electrons moving around the nucleus.
a. true, b. false
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015293
Electrons have almost no mass.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015294
The mass of an atom equals the sum of its protons and neutrons.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015295
For most elements, isotopes are named for their atomic number.
a. true, b. false
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015296
Each proton consists of three quarks.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015297
Quarks are held together by gluons.
a. true, b. false
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015298
If an atom were the size of a football stadium, the nucleus would be about the size of a
a. microwave oven, b. basketball, c. pea, d. car
c
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015299
The number of protons in atoms is
a. the same for all atoms, b. unique for each element, c. always equal to the number of neutrons, d. none of the above
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015300
The strong force
a. affects only nearby particles, b. is stronger than electric force, c. is not effective if the nucleus is too big, d. all of the above
d
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015301
A neutron has the same mass as a(n)
a. nucleus, b. electron, c. proton, d. quark
c
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015302
A nitrogen atom has an atomic number of 7 and a mass number of 14. How many protons, neutrons, and electrons does it have?
a. 7 protons, 14 neutrons, 7 electrons, b. 14 protons, 7 neutrons, 7 electrons, c. 7 protons, 7 neutrons, 7 electrons, d. 7 protons, 7 neutrons, 14 electrons
c
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015303
If an atom loses electrons, it becomes a(n)
a. isotope, b. cation, c. anion, d. gluon
b
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015304
How many neutrons are there in the most common isotope of hydrogen?
a. zero, b. one, c. two, d. three
a
Lesson: inside the atom Parts of the Atom: Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny The Nucleus: At the center of an atom is the ...
NDQ_015306
Which statement is not part of the original atomic theory?
a. Atoms consist of smaller particles of matter, b. Atoms cannot be created or destroyed, c. All atoms of the same element have the same mass, d. Atoms join together to form compounds
a
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015308
John Dalton thought that an atom is like a(n)
a. plum pudding, b. solar system, c. hard solid ball, d. vacuum tube
c
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015310
The scientist who discovered protons was
a. John Dalton, b. J. J. Thomson, c. Ernest Rutherford, d. James Chadwick
c
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015311
Aristotle thought that
a. atoms exist, b. atoms are uncuttable, c. all matter consists of atoms, d. the idea of atoms is ridiculous
d
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015314
Rutherford concluded from his experiments that
a. all the positive charge of an atom is concentrated in the center, b. positive charge is spread evenly throughout an atom, c. electrons orbit the positively charged nucleus, d. two of the above
d
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015319
scientist who discovered electrons.
a. Democritus, b. Aristotle, c. John Dalton, d. J. J. Thomson, e. Ernest Rutherford, f. plum pudding model, g. planetary model
d
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015322
philosopher who thought the idea of the atom was ridiculous
a. Democritus, b. Aristotle, c. John Dalton, d. J. J. Thomson, e. Ernest Rutherford, f. plum pudding model, g. planetary model
b
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015324
Thomsons atomic model
a. Democritus, b. Aristotle, c. John Dalton, d. J. J. Thomson, e. Ernest Rutherford, f. plum pudding model, g. planetary model
f
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015325
Thomson aimed a beam of alpha particles at gold foil.
a. true, b. false
b
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015326
philosopher who introduced the idea of the atom
a. Democritus, b. Aristotle, c. John Dalton, d. J. J. Thomson, e. Ernest Rutherford, f. plum pudding model, g. planetary model
a
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015327
The plums in the plum pudding model represent protons.
a. true, b. false
b
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015328
Rutherfords atomic model
a. Democritus, b. Aristotle, c. John Dalton, d. J. J. Thomson, e. Ernest Rutherford, f. plum pudding model, g. planetary model
g
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015329
scientist who developed atomic theory
a. Democritus, b. Aristotle, c. John Dalton, d. J. J. Thomson, e. Ernest Rutherford, f. plum pudding model, g. planetary model
c
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015330
The planets in the planetary model represent electrons.
a. true, b. false
a
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015331
scientist who discovered the nucleus
a. Democritus, b. Aristotle, c. John Dalton, d. J. J. Thomson, e. Ernest Rutherford, f. plum pudding model, g. planetary model
e
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015332
The first subatomic particle to be discovered was the proton.
a. true, b. false
b
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015333
Dalton thought that all substances are made of atoms.
a. true, b. false
a
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015334
The history of the atom began almost
a. 2500 years ago, b. 700 years ago, c. 500 years ago, d. 100 years ago
a
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...
NDQ_015335
Daltons research provided evidence that
a. atoms exist, b. gases consist of tiny particles in constant motion, c. a compound always consists of the same elements in the same ratio, d. all of the above
d
Lesson: history of the atom Democritus Introduces the Atom: The history of the atom begins around 450 B.C. with a Greek philosopher named Democritus (see Figure 5.7). Democritus wondered what would happen if you cut a piece of matter, such as an apple, into smaller and smaller pieces. He thought that a point would be ...