STAAR Review

What most likely happens to dead plants and animals after they are deposited under a body of water for millions of years?

• They continue their life cycles.

• They become underground stalagmites.

• They become underground stalactites.

• They become fossil fuels.

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS4-1

What must topsoil contain in order for the topsoil be able to support plant growth? In order to support plant growth, topsoil must contain-

• assorted particle sizes and humus

• only clay

• only sand

• only gravel

The apparent movement of the sun across the sky causes a shift in shadows. Which of the following is NOT an explanation of this movement.

• In the morning, the sun appears low in the East, objects blocking the sunlight cast long shadows pointing to the west.

• As noon approaches, the shadows begin to shorten until sun is overhead

• In the afternoon, shadows lengthen towards East until the sun appears to set in the west

• The sun appears to rise in the West and set in the East

Tags

NGSS.MS-ESS1-1

A student turns on a flashlight and point it towards a mirror. Which statement best explains what the student will most likely observe?

• The light will travel in a straight line and will reflect off the mirror.

• The light will be refracted off the mirror.

• The light will change color as it passes through the mirror.

• The light will be scattered.

Tags

NGSS.MS-PS4-2

Which of the following best describes the role of decomposers in an ecosystem?

• They produce their own food through photosynthesis.

• They consume other organisms for energy.

• They break down dead organisms and waste, returning nutrients to the soil.

• They are the primary consumers of plants.

Tags

NGSS.MS-LS2-3

Which of the following best describes a producer in an ecosystem?

• An organism that eats other animals

• An organism that breaks down dead material

• An organism that makes its own food through photosynthesis

• An organism that only eats plants

Tags

NGSS.MS-LS1-6

What happens to the temperature of water as it goes from a solid to a liquid?

• It decreases

• It increases

• It stays the same

• It first increases, then decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the role of decomposers in an ecosystem?

• They produce oxygen through photosynthesis

• They eat living plants and animals

• They break down dead organisms and return nutrients to the soil

• They help pollinate plants

Tags

NGSS.MS-LS2-3

A student was winding a toy car. After winding the toy car, the toy car moves around and flips over twice. This is an example of which type of energy?

• Light energy

• Solar energy

• Electrical energy

• Mechanical energy

Which of the following best explains the primary role of decomposers in ecosystems? Decomposers–

• provide food for many animals

• make their own food

• break down organisms and recycle materials

• eat only plants

Tags

NGSS.MS-LS2-3