Quarter 1
Quarter 2
Yes, Another Quarter 2
Quarter 3
Quarter 4
100
Maria hypothesizes that the amount of light in an environment affects the growth of algae living in that environment.
Which of the following is the best type of investigation for Maria to perform in order to test her hypothesis?
A. build a computer model of algae growth
B. observe algae in nature
C. collect and observe different specimens of algae
D. conduct a controlled experiment
D. conduct a controlled experiment
100
When flying in an airplane, you are most likely in which layer of the atmosphere?
A. troposphere
B. mesosphere
C. stratosphere
D. thermosphere
C. stratosphere
100
Water is cooler near the poles and warmer near the equator. Movement of cooler and warmer water from these regions moderates the global climate. Which of the following describes the movement of water between the poles and the equator?
A. tides
B. ocean currents
C. evaporation
D. gravity
B. ocean currents
100
The law of conservation of energy states that
A. energy cannot be created and it cannot change form.
B. energy can be created and can be destroyed.
C. energy cannot change form and it cannot be destroyed.
D. energy cannot be created and it cannot be destroyed.
D. energy cannot be created and it cannot be destroyed.
100
Which of the following statements is part of the cell theory?
A. Cells are the basic units of living things.
B. All living things are made up of one or more cells.
C. All cells come from pre-existing cells.
D. all of these
D. all of these
200
Scientists often repeat experiments multiple times.
Why is this important?
A. Repeating an experiment turns a hypothesis into a theory.
B. Repeating an experiment gives scientists something to do while they think of new hypotheses.
C. Repeating an experiment helps to verify the results.
D. Repeating an experiment allows scientists to test different variables.
C. Repeating an experiment helps to verify the results.
200
Which of the following is the best example of physical weathering?
A. acid rain breaking down rock
B. plant roots splitting rock
C. students tearing paper
D. iron in igneous rock rusting
B. plant roots splitting rock
200
The Gulf Stream passes from the Gulf of Mexico, northward along the coast of eastern North America, and eastward toward Ireland, the United Kingdom, and Scandinavia. Without the Gulf Stream, these regions would be colder than they are. How does the Gulf Stream keep these regions warm?
A. It washes floating ice sheets away from the coasts.
B. It brings warm water, which heats the overlying air.
C. It encourages evaporation, which makes the land dry and warm.
D. It absorbs cold temperatures from the land
B. It brings warm water, which heats the overlying air.
200
Which of the following is an example of kinetic energy being converted to potential energy?
A. The cord of a bow-and-arrow is released, propelling the arrow forward.
B. A bike rider stops pedaling and lets his bicycle coast up a hill.
C. On a factory assembly line, boxes slide down a ramp.
D. At an ice rink, an ice skater gives another ice skater a gentle push.
B. A bike rider stops pedaling and lets his bicycle coast up a hill.
200
Which of the following organelles is found in most plant cells, but is never found in animal cells?
A. chloroplasts
B. nuclei
C. mitochondria
D. vacuoles
A. chloroplasts
300
Which of the following best defines a scientific law?
A. a possible explanation for a phenomenon on which no scientific research has been done
B. an opinion that cannot be tested through scientific experimentation
C. a rule that tells people how they should or should not behave in public
D. a description of a specific relationship under given conditions in the natural world
D. a description of a specific relationship under given conditions in the natural world
300
Within the atmosphere, as altitude increases,
A. air pressure increases.
B. air pressure stays the same.
C. air becomes heavier.
D. air pressure decreases.
D. air pressure decreases.
300
ara goes to the beach during the summertime. One morning she wades into the ocean before the Sun has risen and notices that the water in the ocean feels warmer than the sand on the beach. In the afternoon of the same day, she wades back into the ocean and observes that now the water in the ocean feels cooler than the sand on the beach.
Which of the following best explains the difference in temperature between the ocean and the sand?
A. Water both heats up and cools down at a faster rate than land.
B. Water heats up at a slower rate than land, but cools down at a faster rate.
C. Water both heats up and cools down at a slower rate than land.
D. Water heats up at a faster rate than land, but cools down at a slower rate.
C. Water both heats up and cools down at a slower rate than land.
300
The strength of a gravitational force between two objects depends on
A. mass and volume.
B. mass and distance.
C. size and shape.
D. distance and volume.
B. mass and distance.
300
How does the respiratory system interact with the circulatory system?
A. The respiratory system brings in carbon dioxide so the circulatory system can transport it throughout the body.
B. The circulatory system transports oxygen that the respiratory system brings into the body.
C. The respiratory system transports oxygen to the heart for the circulatory system.
D. The circulatory system removes oxygen from the body to make room for carbon dioxide in the respiratory system.
B. The circulatory system transports oxygen that the respiratory system brings into the body.
400
Major scientific theories include the cell theory, the big bang theory, and the theory of plate tectonics. How are scientific theories formed?
A. through meetings between scientists in which they discuss several possible answers to a scientific question
B. through the formation of several related hypotheses
C. through a single scientific discovery in which a scientist learns something new
D. through extensive testing and the accumulation of several lines of evidence
D. through extensive testing and the accumulation of several lines of evidence
400
Sometimes tectonic forces cause cracks to form in rock. If pieces of the rock move along these cracks, the cracks are called faults.
Scientists use the term faulting to refer to the formation of faults. Depending on the situation, faulting can act as a constructive or a destructive force. Which of the following best shows how faulting can act as a constructive force?
A. Rock moves sideways along a fault with no change in elevation.
B. Rock moves upward along faults to form a mountain range.
C. Rocks are worn down as they grind past each other along a fault.
D. Faulting produces an earthquake that causes a local bridge to collapse.
B. Rock moves upward along faults to form a mountain range.
400
The atmosphere is heated both by the Sun and by the Earth's surface. Water radiates heat differently than land, so the air temperature over the ocean is usually different than the air temperature over land.
The difference in air temperature over land compared to over water causes convection currents in the atmosphere. How would a person at the beach experience these convection currents?
A. They would feel wind as the air moves.
B. They would feel that the water is cold.
C. They would feel that the sand is hot.
D. They would feel the heat of the Sun.
A. They would feel wind as the air moves.
400
A negatively charged particle is attracted to
A. only particles that are large.
B. all particles that are located close by.
C. negatively charged particles.
D. positively charged particles.
D. positively charged particles.
400
The ______ system senses changes in the internal and external environment so that the body can adapt to the changes.
A. nervous
B. endocrine
C. circulatory
D. reproductive
A. nervous
500
Scientific knowledge can withstand the test of time because
A. it is open to change as new evidence or data is discovered.
B. scientific theories have been proven beyond doubt.
C. advancements in technology have no impact on science.
D. exceptions can be made regarding scientific laws.
A. it is open to change as new evidence or data is discovered.
500
Which of the choices below is one of the primary gases found in the atmosphere?
A. Nitrogen
B. Helium
C. Argon
D. Carbon Dioxide
A. Nitrogen
500
Part of the Sun's energy that reaches the Earth's surface is absorbed by land and water as heat. The Earth's surface then releases heat back to the atmosphere.
Which of the following is true about this solar energy that is absorbed and released by Earth's surface as heat?
A. Much of the heat is trapped at the top of Earth's atmosphere to protect Earth from ultraviolet radiation.
B. All of this heat escapes the Earth's atmosphere, which keeps the planet hot.
C. Much of the heat is trapped low in the atmosphere and is a major factor in determining Earth's climate.
D. All of this heat escapes the Earth's atmosphere, which keeps the planet cool.
C. Much of the heat is trapped low in the atmosphere and is a major factor in determining Earth's climate.
500
Gina is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Gina's car, so she quickly applies the brakes. The force of the brakes causes the car to stop, but the teddy bear continues to move forward until it hits the car's dashboard.
The teddy bear did not stop at the same time as the car because
A. more force is required to stop softer objects than to stop harder objects.
B. only objects touching the Earth's surface can be acted upon by an outside force.
C. objects in motion tend to stay in motion unless acted upon by an outside force.
D. objects in motion can only be stopped by the application of a balanced force.
C. objects in motion tend to stay in motion unless acted upon by an outside force.
500
The flow chart below indicates the hierarchical levels of the Linnaean classification system.
Organism A, Organism B, and Organism C are all classified within the Phylum Chordata. Organism A and Organism B can be further classified into Class Mammalia. Organism C, on the other hand, can be further classified into Class Aves.
Which of the following is most likely true about the organisms discussed in the paragraph above?
A. Organism B and Organism C share more behavioral characteristics with one another than they do with Organism A.
B. Organism A, Organism B, and Organism C all have the exact same structural and behavioral characteristics.
C. Organism A and Organism B share more structural characteristics with one another than they do with Organism C.
D. Organism A, Organism B, and Organism C do not share any structural characteristics with one another.
C. Organism A and Organism B share more structural characteristics with one another than they do with Organism C.