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Question: Which cell structure carries out a function for a cell that is similar to the function that bark carries out for a tree?
Answer: cell wall |
Question: The number of squirrels in a certain ecosystem changes over time. These changes can be represented as a number of connected data points. Which method would a student most likely use to show this information?
Answer: line graph |
Question: Pedro shook a can of soda. When the soda was opened, foam and soda burst from the can. Which statement best explains what happened?
Answer: The gas pressure was released from the can. |
Question: Where is most of Earth's water located?
Answer: oceans |
Question: Investigations were performed to test several methods of keeping petals from falling off flowers that had been cut. Which is the most likely reason for this investigation?
Answer: to test a hypothesis |
Question: Two seismographs are placed 500 km from an active fault line, one on each side of the active fault line. During an earthquake, what most likely accounts for the different readings on the seismographs?
Answer: the different media through which the waves travel |
Question: Scientists dig in a dry area at the bottom of a mountain range. Fossilized shells of freshwater mussels are found in the area. Which is a likely conclusion that scientists will draw based on this evidence?
Answer: Rivers once flowed through the area. |
Question: An apple appears red when struck by white light. This appearance is because the red light is reflected and the other colors are absorbed. What color will this apple appear to be when struck by blue light?
Answer: black |
Question: In New York State, an observer will usually see the Sun rise in the
Answer: east |
Question: Burning coal and natural gas are ways to produce electricity. Both coal and natural gas are nonrenewable resources. Which is an example of producing electricity using a renewable source of energy?
Answer: heating a home with energy collected by solar panels |
Question: When liquid water freezes, it forms ice. What is the physical state of an ice cube?
Answer: solid |
Question: A student uses a hand lens to observe which of these objects?
Answer: an insect |
Question: Which type of rock would most likely contain a fossil?
Answer: sedimentary rock |
Question: Some events on Earth happen instantly while others take thousands of years to occur. Which process takes the longest time to complete?
Answer: weathering of a rock to form small rocks and sand |
Question: Where do many of the basic life functions take place in organisms?
Answer: cells |
Question: Which physical structure would best help a bear to survive a winter in New York State?
Answer: thick fur |
Question: What is made when sugar is dissolved in water?
Answer: a solution |
Question: Gasoline for cars is produced from fossil fuels. Using gasoline can most likely lead to which environmental problem?
Answer: global warming |
Question: Which of the following is a cause of the ocean levels periodically rising and then falling?
Answer: the force of gravity from the Moon |
Question: A scientist is searching for areas where new solar systems might form. What feature is the scientist looking for?
Answer: a cloud of dust and gas |
Question: About how often is a full moon observed from Earth's surface?
Answer: once a month |
Question: When animals use energy, they produce
Answer: carbon dioxide |
Question: Which would provide evidence of seafloor spreading?
Answer: cooled magma found on the edge of the plates |
Question: Mitosis occurs in living things when a cell divides to produce two cells. Compared to the original cell, how many chromosomes are in each of the resulting cells?
Answer: the same number |
Question: Which organ directly works to protect the human body from disease?
Answer: skin |
Question: Steven went to a farm and picked a bright red tomato from a broken branch on the plant. The tomato had a rotten spot with a worm inside of it. Instead of eating the tomato, Steven decided to plant the seeds and grow new tomato plants. Which characteristic of the tomato plant is inherited and could change over several generations?
Answer: color of the skin |
Question: Many leaves appear green because the leaves
Answer: reflect green light. |
Question: Which of these is the best definition of heredity?
Answer: the passage of genetic information from one generation to the next |
Question: Which of the following describes how a microwave oven heats food?
Answer: Water molecules in the food absorb the energy of microwave radiation. |
Question: Which three systems of the human body function together to move and control body parts?
Answer: nervous, skeletal, and muscular |
Question: Astronomers have found evidence for the existence of a super-massive black hole in the center of the giant elliptical galaxy M87. What is thought to cause black holes to form?
Answer: the collapse of a high-mass star |
Question: A research team wanted to produce a smaller variety of German shepherd dogs. They mated the smallest dogs from different litters for several generations. This is an example of which concept?
Answer: selective breeding |
Question: A class learns about weather. The students in the class measure the outside air temperature at the same time each day. Which way of measuring the temperature would provide the most accurate data?
Answer: recording the measurements from three thermometers |
Question: Earth's magnetosphere is not uniformly shaped. It is compressed on the side facing the Sun and has a long tail extending away from the Sun. Which phenomenon is responsible for this shape?
Answer: solar winds bringing high-energy particles toward Earth |
Question: Which living organism makes its own food using sunlight?
Answer: tree |
Question: Who was the first person to base a system of classification on organisms having similar structures?
Answer: Linnaeus |
Question: Which is a process that converts sunlight energy into a compound that stores chemical energy?
Answer: photosynthesis |
Question: Which most likely contributed to the extinction of many species and endangered the survival of others?
Answer: habitat destruction |
Question: Which is the most basic unit of living things?
Answer: Cells |
Question: What are the two main jobs of the skeletal system?
Answer: support and protect the body |
Question: Which is an example of a chemical change?
Answer: a nail rusting in water |
Question: Which of these is a renewable resource found in Nevada?
Answer: geothermal energy |
Question: Which two body systems are involved in inhaling oxygen and exhaling carbon dioxide?
Answer: circulatory and respiratory |
Question: Materials such as carbon and nitrogen go through cycles. The cycling of nitrogen waste materials is mostly dependent upon the role of which factor?
Answer: bacteria |
Question: Which of these is unique to the process of scientific investigation?
Answer: collecting data in an experiment |
Question: Which did Thomas Edison invent?
Answer: light bulb |
Question: If soil is permeable
Answer: water easily flows through it. |
Question: Sally is making candy on the stove. She places a thermometer in the candy. What is she measuring?
Answer: temperature |
Question: Anthony and Zach want to know how the temperature of the air affects the temperature of lake water. Which type of tool should they use to measure the temperatures?
Answer: thermometer |
Question: Which serve as evidence for a scientific theory?
Answer: observations |
Question: Which of the following identifies the primary function of a radio station tower in a communication system?
Answer: transmitter |
Question: Down feathers are used by many sleeping bag manufacturers because down feathers are
Answer: good insulators. |
Question: A farmer sprayed his orange trees with a pesticide to eliminate the insects damaging the trees. Some of the insects survived and produced offspring that were also resistant to the insecticide. Which process is illustrated by the pesticide resistance of the offspring?
Answer: natural selection |
Question: An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult?
Answer: the number of cells in its body |
Question: The human body is made up of organ systems that work together as one unit. Which systems work together to prepare and distribute food for cells?
Answer: digestive and circulatory |
Question: The human body is composed of different systems made of specialized cells, tissues, and organs. Each of these structures has a specific function that aids in the survival of the human species. Which organs are used in reproduction?
Answer: ovaries, uterus, and fallopian tubes |
Question: Which type of organism is at the lowest level of the food chain?
Answer: autotroph |
Question: Jake's cats eat food from a can. The cats come running into the kitchen when they hear the electric can opener. Now, each time Jake's mother opens a can of corn, the cats come running. This is an example of
Answer: learned behavior |
Question: A team of surveyors takes measurements of ground altitude at horizontal intervals of 1 meter over a 400 square meter area. These measurements can best be used to produce which representation of the area?
Answer: a topographical map |
Question: Some schools have programs to recycle paper products such as student papers, newspapers, and cardboard boxes. Which of these statements describes a positive effect of recycling paper products?
Answer: Fewer trees need to be cut. |
Question: Light sometimes behaves as waves and other times as particles. Which property of light is equally explainable by treating light as either particles or waves?
Answer: reflection of light |
Question: The topography of Nevada is dominated by basins and mountain ranges associated with which geological phenomena?
Answer: faults |
Question: Which biological activity occurs in a repeated rhythm?
Answer: breathing |
Question: Which model best illustrates the wave property that enables scientists to explore Earth's interior using seismic waves?
Answer: shining a light through a prism |
Question: In 1933, a hurricane came ashore at Ocean City, Maryland. A hurricane negatively affects a coastline by
Answer: causing erosion |
Question: Which statement describes the location of our Sun in the universe?
Answer: Our Sun is the center of a solar system in the Milky Way galaxy. |
Question: Scientists claim that the area around the Grand Canyon was once covered by an ocean. What evidence would support their claim?
Answer: Fossils of ocean animals were found at the Grand Canyon. |
Question: Which is true of scientific discoveries?
Answer: Sometimes scientific discoveries are made by accident, like the discovery of penicillin. |
Question: Which is a process that most likely formed the Appalachian Mountains found in the eastern part of North America?
Answer: plate tectonics |
Question: Which technology used to generate electrical power involves a trade-off between economical electricity and long-term waste disposal problems?
Answer: nuclear reactor |
Question: All the ponds in an area dried up during a drought. The population of which of the following animals that live in the area is most affected by the drought?
Answer: frog |
Question: Which substance is usually found in nature as a liquid, solid, and gas?
Answer: water |
Question: The scientific name for a giraffe is Giraffa camelopardalis. What two levels of classification does this name represent?
Answer: genus and species |
Question: The Moon has the greatest effect on Earth's
Answer: ocean tides |
Question: Granite is classified as a rock because it
Answer: is made of minerals. |
Question: The measure of the amount of light received on Earth from a star is known as
Answer: apparent magnitude. |
Question: Heat from deep in Earth's interior is transferred to its crust by which of the following?
Answer: convection in the mantle |
Question: The growth of which of the following usually occurs first in primary succession on a bare rock?
Answer: Lichens |
Question: The process by which water vapor in the atmosphere cools and becomes a liquid is called
Answer: condensation. |
Question: A student is dropping objects of various sizes and shapes and recording the time it takes for each object to hit the ground. Which question is the student most likely trying to answer?
Answer: Do some objects fall more quickly than others? |
Question: Which two processes in the water cycle are primarily responsible for the creation of a lake?
Answer: precipitation and runoff |
Question: The correct procedure after completing a laboratory experiment is to
Answer: collect and store recyclable material. |
Question: Which is an example of primary ecological succession?
Answer: lichen growth on rocks |
Question: What is true of mutualistic relationships among organisms?
Answer: The organisms cooperate with each other. |
Question: Carolina uses a microscope to view a soil sample taken from her backyard. Which part of the soil would she ONLY be able to see with a microscope?
Answer: bacteria |
Question: The part of the rock cycle that transforms compressed rock formed from sea organism shells into a harder, denser rock is
Answer: sedimentary rock becoming metamorphic rock. |
Question: A group of scientists predicts that Earth's oceans will be able to take up more carbon dioxide as atmospheric carbon dioxide levels increase and the atmosphere warms. Which of these statements about the solubility of gases in ocean water would lead you to question this prediction?
Answer: Solubility decreases with an increase in temperature. |
Question: Which of the following elements is best able to combine with itself and hydrogen [H] to form large molecules?
Answer: carbon [C] |
Question: Growing thicker fur in the winter helps some animals to
Answer: keep warm |
Question: Several types of mechanisms in the body regulate the rate of chemical reactions in the digestive system. Among the most important are feedback systems, which control the release rate of
Answer: enzymes. |
Question: The water in a pond gets colder one night. Which tool is best to observe its temperature change?
Answer: thermometer |
Question: During subduction, one tectonic plate is forced below another. The subducting plate is forced into the
Answer: asthenosphere. |
Question: What two gases make up most of the Earth's atmosphere?
Answer: Oxygen and nitrogen |
Question: A light-year is a measure of
Answer: distance. |
Question: Some birds live in a forest. If many of the trees in the forest are cut down, the shelter for the birds will
Answer: decrease |
Question: In the human body, cellular respiration breaks down sugar molecules after they enter the cell. What results from this process?
Answer: release of energy |
Question: What causes a person to have blue eyes?
Answer: receiving a gene for blue eyes from each parent |
Question: When an atom loses or gains an electron, it changes
Answer: charge. |
Question: In which pair of elements are both metalloids?
Answer: Sb and Te |
Question: Florida has a large supply of phosphate that ancient seas deposited millions of years ago. The phosphate contains the remains of animals that were deposited in layers on the sea floor. Which type of rock did the phosphate become?
Answer: organic sedimentary |
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