Earth Science
Which of the following descriptions of Earth’s sphere is correct?
A. The geosphere is made up of Earth’s living things.
B. The hydrosphere is all the frozen water on Earth.
C. The biosphere includes Earth’s rock.
D. The atmosphere is all the air surrounding Earth
D. The atmosphere is all the air surrounding Earth
Giant anteaters live in Central and South America. As their name suggests, they eat ants and termites. First, an anteater tears open insect nests with its long claws. Then, it extends its extremely long, sticky tongue into the nest to catch its prey. One anteater eats 35,000 ants and termites in a day.
Which domain do anteaters belong to?
A. Eukarya
B. Bacteria
C.Prokarya
D. Animalia
A. Eukarya
When an experiment is repeated and the new results are different from the original results, what could you assume to be true?
A. The experiment is flawed and must be redesigned.
B. The results from the second experiment can be ignored.
C. Both sets of results may be inaccurate for a variety of reasons.
D. There is nothing wrong with either results, they are both accurate.
C. Both sets of results may be inaccurate for a variety of reasons.
Which statement refers to weather rather than climate?
A. A thunderstorm is expected today.
B. The temperature is usually around 24ºC (75ºF).
C. This area usually has a relative humidity lower than 50 percent.
D. Precipitation amounts have increased over the last several years.
Answer: A thunderstorm is expected today.
Which of the following describes the law of conservation of energy?
A. Energy cannot be created or destroyed.
B. Energy can only be released through transformation.
C. When energy is conserved, it always changes form.
D. Energy increases when it is transferred.
A. Answer: Energy cannot be created or destroyed.
Erosion and deposition are often discussed together. Which statement most accurately describes their differences?
A.Erosion wears away material, and deposition moves it.
B. Erosion moves weathered material, and deposition resettles it.
C. Erosion wears away material, and deposition resettles it.
D. Erosion builds up material, and deposition resettles it.
Answer: B. Erosion moves weathered material, and deposition resettles it.
A virus can reproduce only inside a cell. Once inside, the virus causes the cell to make many new copies of the virus. In an animal, which part of the cell is responsible for keeping viruses out?
A. cell membrane
B. nucleus
C. vacuole
D. cell wall
A. cell membrane
Jamal and Jin live in different parts of the state. Jamal lives in the mountains and is not near a city. Jin lives at sea level, near a city.
They are talking on the phone at night. They look at the same part of the sky with the same kind of telescope. They expect to see the same number of stars, but they do not. Jamal is able to see many more stars than Jin. They want to find out why.
What should Jamal and Jin do to find out why they see different numbers of stars?
A.They should assume Jamal’s telescope is broken.
B.They should discuss the reasons for the difference.
C.They should guess that the sky over Jin has fewer stars.
D.They should believe one of them made a counting mistake.
B.They should discuss the reasons for the difference.
During the summer, the pavement gets hot when the sun shines on it. How can you describe the process?
A. Energy transformed by radiation is transferred to thermal energy.
B. Thermal energy is transformed by conduction.
C. Electromagnetic radiation is transformed to thermal energy.
D. Energy transferred by conduction is transformed to radiation
C. Answer: Electromagnetic radiation is transformed to thermal energy.
What is the difference between an energy transfer and an energy transformation?
A. Transfer is movement of energy from one place to another, and transformation is the change of one type of energy to another.
B. Transformation is movement of energy from one place to another, and transfer is the change of one type of energy to another.
C. There is no difference. Both involve movement of energy from one place to another.
D. There is no difference. Both involve the change of one type of energy to another.
A. Transfer is movement of energy from one place to another, and transformation is the change of one type of energy to another.
Which of the following describes an example of conduction?
A. how energy travels from a campfire to your body
B. how energy is transferred from a flame to a pot on a stove
C. how most of the energy from the sun travels to Earth
D.how energy moves with rising particles of carbon dioxide in the air
B. how energy is transferred from a flame to a pot on a stove
Multicellular organisms are more complex than single-celled organisms. Which of the following identifies the organization of multicellular organisms from smallest to largest?
A. atoms, molecules, cells, tissue, organ systems, organs, organism
B. atoms, molecules, cells, organ systems, tissue, organs, organism
C. atoms, molecules, cells, tissue, organs, organ systems, organism
D. atoms, molecules, cells, organ systems, organs, tissues, organism
C. atoms, molecules, cells, tissue, organs, organ systems, organism
A bicycle’s brakes use friction to stop. When it stops, what happens to the bicycle’s kinetic energy?
A. It is destroyed.
B. It is transformed to electrical energy.
C. It is transformed to thermal energy.
D. It is transformed to elastic potential energy.
C. Answer: It is transformed to thermal energy.
How does a roller coaster transfer energy?
A. through the movement of the rider through the movement of the rider
B. by using solar panels by using solar panels
C. via the flow of electricity via the flow of electricity
D. through changes in potential and kinetic energy
D. through changes in potential and kinetic energy
Jerome’s cousin lives in the northeastern United States. Jerome followed the path of Hurricane Sandy as it moved north over a period of several days. Next, he noticed that the hurricane had turned away from the ocean and had begun moving over the northeast United States. What condition might have caused this hurricane to change direction?
A. an increase in temperature
B. an increase in speed
C. loss of moisture over the ocean
D. a changing wind direction
D. a changing wind direction
A single cell that can independently carry out all the functions of life is considered a(n)
A. organ
B. tissue
C. organ system
D. organism
D. organism
Identify which statement describes a scientific law.
A.Water freezes at 100°C
B. The universe is expanding.
C.Matter cannot be created or destroyed.
D. More crimes take place during the full moon.
C.Matter cannot be created or destroyed.
As a candle burns on a table, you can see the electromagnetic energy and feel the thermal energy released. Which two statements are true about the energy involved in burning a candle?
A. Chemical energy is created from electromagnetic energy when the candle burns.
B. The total amount of all types of energy is conserved when the candle burns.
C. Thermal and chemical energy are destroyed by electromagnetic energy when the candle burns.
D. The total chemical energy equals the electromagnetic and thermal energy released when the candle burns.
B. The total amount of all types of energy is conserved when the candle burns.
D. The total chemical energy equals the electromagnetic and thermal energy released when the candle burns.
A soap box derby car at the top of a ramp has more _________ energy and at the finish line at the bottom of the ramp, it has more _________ energy.
A. kinetic, kinetic
B. potential, kinetic
C. kinetic, potential
D. potential, potential
B. potential, kinetic
Which of the following statements about mechanical and chemical weathering
is correct?
A. Mechanical weathering involves chemical changes that break down rock into smaller pieces. Chemical weathering involves physically breaking down rock into smaller pieces.
B. Both mechanical and chemical weathering break down rock, but mechanical weathering breaks down rock into smaller pieces than chemical weathering.
C. Mechanical and chemical weathering occur in different places and to different types of rock.
D. Mechanical weathering can occur due to the actions of animals or plants. Chemical weathering can occur when acidic water dissolves rock.
D. Mechanical weathering can occur due to the actions of animals or plants. Chemical weathering can occur when acidic water dissolves rock.
Epithelium is a kind of tissue in the human body. Which of the following can be found within epithelium? Choose two. (Daily Double)
A. cells
B. organs
C. atoms
D. organ systems
A and C
A ___________ describes what happens in the natural world, while a ____________ explains how things happen.
A. theory; hypothesis
B. theory; scientific law
C. scientific law; theory
D. hypothesis; scientific law
C. scientific law; theory
identify similarities and differences between kinetic and potential energy.
Daily Double
All types of energy can be transformed into other types. No type of energy can be destroyed. Kinetic energy represents motion, while stationary objects can have potential energy. Kinetic energy can cause change right away, while potential energy needs to be converted to another form
Maxwell shoots a rubber band at his friend Jimmy. Which type of energy is converted into kinetic energy?
A. elastic potential energy
B.nuclear potential energy
C.chemical potential energy
D. gravitational potential energy
A. elastic potential energy