8th Grade Mock SSA Review

Which two body systems work together to support the body and allow the body to move?

• circulatory and respiratory

• digestive and nervous

• skeletal and muscular

• circulatory and digestive

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In order to sustain life, all cells must...

• digest nutrients and water
• excrete waste and fluids
• must be able to maintain a homeostasis environment (aka cellular respiration and regulation)
• All of the above

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What is the role of gravity in the types of forces?

• Gravity is a force that repels objects from each other.

• Gravity is a force that attracts objects towards each other.

• Gravity has no effect on objects.

• Gravity only affects objects in space.

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DOK Level 1: Recall

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Alisson does an experiment to see how long it takes for a teaspoon of sugar to dissolve in a cup of water. She does this three times and then asks Carpaur to copy her experiment to see if he gets similar result. What is Carpaur doing?

• repetition

• replication

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers
• The age of fossils
• The relative age of rock layers
• the super powers of rocks

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How does the theory of evolution explain genetic variation within a species?

• Genetic variation is not explained by the theory of evolution.

• Genetic variation is a result of random mutations and natural selection.

• Genetic variation is caused by environmental changes only.

• Genetic variation is eliminated by natural selection.

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DOK Level 3: Strategic Thinking

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During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

• True

• False

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Which of the following can be revised with new evidence?

• Theory

• Law

• Both

• Neither

Which of the following best describes the law of conservation of mass?

• Mass can be created and destroyed in chemical reactions.

• Mass is conserved and remains constant in a closed system.

• Mass increases with temperature.

• Mass decreases with pressure.

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DOK Level 1: Recall

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Identify the rock type: A volcano erupts and sends lava shooting into the air. This lava cools to form a(n) _____.

• Igneous        

• Sedimentary

• Metamorphic

• Mineral

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