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To undo the tarnish on copper pennies, you can place them in what liquid?
A. vinegar
B. seawater
C. distilled water
D. honey
Answer:
|
A
|
sciq
|
What kind of bonding between alcohol molecules means that more energy is required to convert the liquid to vapor, and boiling points are therefore high?
A. stronger hydrogen bonding
B. weaker carbon bonding
C. stronger mineral bonding
D. stronger diffusion bonding
Answer:
|
A
|
sciq
|
During summer in the northern hemisphere, the north pole is tilted toward what?
A. horizon
B. sun
C. moon
D. the north star
Answer:
|
B
|
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|
Also called lodestone, the mineral magnetite is the most powerful what?
A. synthetic magnet
B. healing magnet
C. natural permanent magnet
D. material on Earth
Answer:
|
C
|
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|
How many valves are in the heart?
A. six
B. one
C. four
D. two
Answer:
|
C
|
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|
Momentum is directly related to both mass and?
A. intensity
B. velocity
C. speed
D. mass
Answer:
|
B
|
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|
Bones are made up of different types of what?
A. fiber
B. cartilage
C. blood cells
D. tissue
Answer:
|
D
|
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|
What do metals typically lose to achieve stability?
A. ions
B. atoms
C. molecules
D. electrons
Answer:
|
D
|
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|
What happens when a sperm and an egg cell combine?
A. manipulation
B. migration
C. stimulation
D. fertilization
Answer:
|
D
|
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|
What is the ability to change or move matter?
A. density
B. volume
C. energy
D. temperature
Answer:
|
C
|
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|
How many weeks are in the life cycle of ladybugs
A. four to six
B. three to six
C. two to four
D. nine to six
Answer:
|
A
|
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|
What is the respiratory pigment of almost every vertebrate?
A. insulin
B. hemoglobin
C. iron
D. plasma
Answer:
|
B
|
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|
Objects moving at different speeds, in different directions have different what?
A. protons
B. vibrations
C. velocities
D. electrons
Answer:
|
C
|
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|
What type of compounds make up the cells and tissues of organisms?
A. hormonal compounds
B. productive compounds
C. biochemical compounds
D. organic compounds
Answer:
|
C
|
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|
Meiosis and what process are both preceded by one round of dna replication; however, they differ in producing haploid or diploid daughter cells?
A. fertilization
B. photosynthesis
C. cloning
D. mitosis
Answer:
|
D
|
sciq
|
In their pure form, all elements have an oxidation number of what?
A. 3
B. zero
C. 7
D. 2
Answer:
|
B
|
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|
What is a close relationship between two species in which at least one species benefits called?
A. morphogenesis
B. symbiosis
C. parasitic
D. competition
Answer:
|
B
|
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|
Multiple sclerosis, huntington’s disease, parkinson’s disease, and alzheimer’s disease are example of diseases of which body system?
A. nervous system
B. muscular system
C. lymphatic system
D. circulatory system
Answer:
|
A
|
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|
What includes the living organisms in an area and the non-living aspects of the environment?
A. outpost
B. habitat
C. ecosystem
D. degradation
Answer:
|
C
|
sciq
|
Bacteria may become untreatable if they develop what in response to multiple antibiotics?
A. weakness
B. resistance
C. acceptance
D. affinity
Answer:
|
B
|
sciq
|
What grows through blue cheese that gives it the distinctive appearance and flavor?
A. Bacteria
B. Roots
C. Viruses
D. fungus
Answer:
|
D
|
sciq
|
The two main types of phagocytic cells in the mammalian body are neutrophils and what other?
A. histones
B. eukaryotes
C. macrophages
D. leukocytes
Answer:
|
C
|
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|
What is aggravated by practices such as logging, mining, construction, and paving surfaces?
A. soil erosion
B. global warming
C. seismic activity
D. water pollution
Answer:
|
A
|
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|
What type of hydrocarbon is coal?
A. solid
B. gas
C. mineral
D. liqued
Answer:
|
A
|
sciq
|
What chemicals in the liver support glucose homeostasis?
A. Force and insulin
B. cytosol and insulin
C. glucagon and insulin
D. lactobacilli and insulin
Answer:
|
C
|
sciq
|
When resources become limiting, populations follow a logistic growth curve in which the size will level off at a point called what?
A. containing capacity
B. believed capacity
C. full capacity
D. carrying capacity
Answer:
|
D
|
sciq
|
Along with climate, this also influences the type of vegetation that can grow in the region?
A. soil type
B. population density
C. fertilizer use
D. gravity
Answer:
|
A
|
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|
What is defined as anything that takes up space and has mass?
A. elements
B. matter
C. atoms
D. electrons
Answer:
|
B
|
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|
What is the name of the simplest carbon molecule?
A. Buckminsterfullerine
B. graphite
C. methane
D. butane
Answer:
|
C
|
sciq
|
Hyperparathyroidism results from an overproduction of what?
A. inhibited hormone
B. tharayroid hormone
C. elevated hormone
D. parathyroid hormone
Answer:
|
D
|
sciq
|
What is formed when different gases are confined to the same container?
A. linear mixture
B. compact mixture
C. homogeneous mixture
D. particulate mixture
Answer:
|
C
|
sciq
|
What property of fluids causes something to stay on or near the surface of water?
A. weight
B. strength
C. buoyancy
D. density
Answer:
|
C
|
sciq
|
What are the tiny sacs in the lungs where gas exchange takes place?
A. vacuoles
B. chambers
C. alveoli
D. ganglion
Answer:
|
C
|
sciq
|
What is the stage between a zygote and polyp?
A. egg
B. pupa
C. larva
D. worm
Answer:
|
C
|
sciq
|
What is the term for a particle outside the nucleus of an atom that has a negative electric charge?
A. proton
B. neutron
C. ion
D. electron
Answer:
|
D
|
sciq
|
Scientists goal is develop nuclear fusion power plants, where the energy from fusion of hydrogen nuclei can be converted to what?
A. electricity
B. oil
C. wind
D. gasoline
Answer:
|
A
|
sciq
|
In which state of matter are particles completely separate from one another?
A. gaseous state
B. solid state
C. liquid state
D. phosphorus state
Answer:
|
A
|
sciq
|
Van der waals forces are weak interactions between molecules that involve what?
A. particles
B. photons
C. dipoles
D. atoms
Answer:
|
C
|
sciq
|
What part of the body does emphysema affect?
A. brain
B. lungs
C. bones
D. heart
Answer:
|
B
|
sciq
|
What number is the sum of the numbers of protons and neutrons present in the nucleus of an atom?
A. combined number
B. mass total
C. mass number
D. nuclear number
Answer:
|
C
|
sciq
|
What kind of tool, often based on mathematical equations or computer simulations, helps us understand complex systems?
A. planes
B. panels
C. models
D. levels
Answer:
|
C
|
sciq
|
An ecosystem consists of all the living things and what?
A. living environment
B. local environment
C. nonliving environment
D. phosphorescent environment
Answer:
|
C
|
sciq
|
Mesophyll consists mainly of parenchyma cells specialized for what?
A. respiration
B. photosynthesis
C. digestion
D. circulation
Answer:
|
B
|
sciq
|
Antibiotic drugs are usually effective in treating what kind of infections?
A. bacterial
B. lethal
C. viral
D. biological
Answer:
|
A
|
sciq
|
What is earth’s geographic north pole also called?
A. true north
B. vertical north
C. mere north
D. right north
Answer:
|
A
|
sciq
|
What are the nonliving aspects of the environment called?
A. metastatic factors
B. nucleic factors
C. antibiotic factors
D. abiotic factors
Answer:
|
D
|
sciq
|
Chemical reactions follow the laws of what?
A. quantum physics
B. Newton
C. thermodynamics
D. photosynthesis
Answer:
|
C
|
sciq
|
What do you call a mixture of two or more substances in which dissolved particles are distributed evenly throughout?
A. solution
B. concentrate
C. liquid
D. water
Answer:
|
A
|
sciq
|
What is the water that falls from the sky called?
A. condensation
B. moisture
C. evaporation
D. precipitation
Answer:
|
D
|
sciq
|
What returns blood from capillaries to an atrium?
A. the liver
B. arteries
C. veins
D. the lymph system
Answer:
|
C
|
sciq
|
Hemolymph bathes organs directly in arthropods and most molluscs, due to an open type of what system?
A. pulmonary
B. circulatory
C. reproductive
D. nervous
Answer:
|
B
|
sciq
|
According to the table, aluminum has an atomic number of 13. therefore, every aluminum atom has 13 protons in its what?
A. components
B. membrane
C. nucleus
D. processes
Answer:
|
C
|
sciq
|
Anemia, leukemia, hemophilia, and sickle-cell disease are examples of conditions that primarily affect what?
A. blood
B. brain
C. heart
D. Lungs
Answer:
|
A
|
sciq
|
What kind of variation does a rate measure?
A. environment to time
B. value to time
C. construction to time
D. property to time
Answer:
|
D
|
sciq
|
What is the name of the process that changes some chemical substances into others?
A. hypodermic reaction
B. chemical reaction
C. acid reaction
D. mixture
Answer:
|
B
|
sciq
|
What is the term for the gases that surround a planet?
A. biosphere
B. hemisphere
C. galaxy
D. the atmosphere
Answer:
|
D
|
sciq
|
Pressure and vibration are examples of what type of stimuli?
A. physical
B. thermal
C. atmospheric
D. chemical
Answer:
|
A
|
sciq
|
In the chest, what divides as it enters the lungs to form the right and left bronchi?
A. thyroid
B. trachea
C. nerves
D. Aorta
Answer:
|
B
|
sciq
|
When does an oocyte complete meiosis?
A. after sperm penetration
B. prophase
C. anaphase
D. metaphase
Answer:
|
A
|
sciq
|
The electroplating process transfers metal from the anode to which part of the cell?
A. cathode
B. plasma
C. atom tube
D. electrode
Answer:
|
A
|
sciq
|
Compression, tension and shear refer to what type of force that can cause rock to change?
A. process
B. stress
C. seismic force
D. gravity
Answer:
|
B
|
sciq
|
Unlike the biological species concept, the ecological species concept can accommodate asexual as well as ________ species.
A. homologous
B. artificial
C. homosexual
D. sexual
Answer:
|
D
|
sciq
|
A basic function of cells includes obtaining what from glucose?
A. food
B. energy
C. proteins
D. acids
Answer:
|
B
|
sciq
|
What is the term for a test to see if a scientific explanation is right or wrong?
A. experiment
B. generation
C. hypothesis
D. invention
Answer:
|
A
|
sciq
|
When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute _________?
A. decreases
B. generates
C. increases
D. evaporates
Answer:
|
C
|
sciq
|
How does the bacteria look when seen with the naked eye?
A. oily smear
B. slimy smear
C. slippery smear
D. dry smear
Answer:
|
B
|
sciq
|
What is a device used to measure temperature changes during chemical processes called?
A. thermometer
B. altimeter
C. alethiometer
D. calorimeter
Answer:
|
D
|
sciq
|
Ebola is an example of a disease spread by what kind of infectious agent?
A. bacteria
B. flus
C. colds
D. virus
Answer:
|
D
|
sciq
|
The tiny hair present on mucus membranes is known as?
A. tissue
B. collagen
C. dendrites
D. cilia
Answer:
|
D
|
sciq
|
What elements do lipids primarily consist of?
A. iron, hydrogen , and oxygen
B. helium, hydrogen , and oxygen
C. carbon, hydrogen, and oxygen
D. silicon, hydrogen , and oxygen
Answer:
|
C
|
sciq
|
Polychaetes make up a large and diverse group. which category do the majority of these worms fall into?
A. marine
B. terrestrial
C. amphibian
D. carnivorous
Answer:
|
A
|
sciq
|
What is the main makeup of the cell membrane?
A. filaments
B. glucose
C. phospholipids
D. antibodies
Answer:
|
C
|
sciq
|
When a host attacks a parasitic bacteria, the bacteria release what to surround the cell wall?
A. layer of slime
B. pathogens
C. protoplasma
D. bacteriophages
Answer:
|
A
|
sciq
|
Solutions can also become supersaturated , where the amount of solute dissolved exceeds what?
A. its dissolution
B. part solubility
C. its solubility
D. its concentration
Answer:
|
C
|
sciq
|
What is the biggest risk associated with using nuclear energy?
A. mutation
B. radiation
C. explosion
D. fire
Answer:
|
B
|
sciq
|
What property is the result of the force of gravity being opposed by the normal force?
A. light
B. sound
C. weight
D. density
Answer:
|
C
|
sciq
|
What are the cliffs called which are created when waves erode a rocky shoreline, leaving a vertical wall of exposed rock layers?
A. widow-makers
B. wave - theory
C. wave-cut
D. shear face
Answer:
|
C
|
sciq
|
When boron10 absorbs a neutron, what does it emit?
A. light
B. calcium
C. proteins
D. particle
Answer:
|
D
|
sciq
|
What is the most common life form in the ocean?
A. algae
B. coral
C. plankton
D. kelp
Answer:
|
C
|
sciq
|
What circulates with the blood or hemolymph and are often contained within specialized cells
A. muscular pigments
B. structural pigments
C. fat pigments
D. respiratory pigments
Answer:
|
D
|
sciq
|
What are the two possible reduction products for brf3?
A. brg and brf
B. brf and brf4
C. brf and br2
D. brf2 and brf4
Answer:
|
C
|
sciq
|
Normal blood is comprised of nearly half erythrocytes, which is another word for what cells?
A. white blood cells
B. monocytes
C. plateletes
D. red blood cells
Answer:
|
D
|
sciq
|
What type of intense storm is a system of winds that rotate around a low pressure center, resulting in swirling air that rises and cools to create clouds and precipitation?
A. monsoon
B. hurricane
C. cyclone
D. drought
Answer:
|
C
|
sciq
|
Blood flows into the kidney through which artery?
A. main artery
B. pulminary artery
C. blood artery
D. renal artery
Answer:
|
D
|
sciq
|
Growth and development in humans is most rapid during what two stages?
A. teen and adults
B. infancy and adolescence
C. flutter and adolescence
D. bounce and adolescence
Answer:
|
B
|
sciq
|
What are used to write nuclear equations for radioactive decay?
A. energy symbols
B. special symbols
C. nuclear symbols
D. chemical symbols
Answer:
|
C
|
sciq
|
The pull of gravity is expressed as a force of what?
A. volt
B. pascal
C. joule
D. newtons
Answer:
|
D
|
sciq
|
What type of physics explains the behavior of visible light and electromagnetic waves?
A. optics
B. Quantum mechanics
C. Thermodynamics
D. statistics
Answer:
|
A
|
sciq
|
The duodenum has a major role in regulating what digestive organ and its emptying?
A. kidneys
B. stomach
C. skin
D. respiratory
Answer:
|
B
|
sciq
|
What are misfolded versions of normal brain proteins?
A. humans
B. ribosomes
C. prions
D. protons
Answer:
|
C
|
sciq
|
By impacting plant species and the animals they support, destruction of habitat threatens what event?
A. extinction
B. overpopulation
C. depletion
D. mutation
Answer:
|
A
|
sciq
|
What division of the nervous system controls involuntary activities that are not emergencies, such as the digestive organs breaking down food?
A. posterior division
B. parasympathetic division
C. somatic nervous system
D. central nervous system
Answer:
|
B
|
sciq
|
What occurs when a cold air mass runs into a warm air mass?
A. a cold front
B. a snow day
C. a stationary front
D. an occluded front
Answer:
|
A
|
sciq
|
What are the tiny sacs in the lungs where gas exchange takes place?
A. ganglion
B. cilia
C. alveoli
D. bronchi
Answer:
|
C
|
sciq
|
What is the term for plants that lack vascular tissues, roots, leaves, seeds, and flowers?
A. bryophytes
B. primates
C. conifers
D. chloroplasts
Answer:
|
A
|
sciq
|
Why are continents unable to be pushed down into the mantle by plate boundaries?
A. surface tension
B. buoyancy
C. density
D. gravity
Answer:
|
B
|
sciq
|
What is it called when a new species arises without geographic separation?
A. spontaneous evolution
B. Allopatric speciation
C. sympatric speciation
D. quantum speciation
Answer:
|
C
|
sciq
|
In an exothermic reaction, what, specifically, is released?
A. humidity
B. heat
C. water
D. precipitation
Answer:
|
B
|
sciq
|
What term describes diseases caused by abnormal cells in the body dividing uncontrollably?
A. eczema
B. diabetes
C. radiation
D. cancer
Answer:
|
D
|
sciq
|
What is the molecule, dipeptide formed together by?
A. amino acids
B. polymer acids
C. acetic acids
D. rna acids
Answer:
|
A
|
sciq
|
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