STAAR Test Review Science

• F Dry, rocky mountains

• G Forests of pine trees

• H Tall, spiny cacti

• J Lakes and rivers

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NGSS.MS-LS2-1

Which statement best describes the processes of weathering and erosion?

• F Weathering and erosion are directly responsible for the breakdown of any type ofrock into smaller particles and the carrying away of the loose sediments.

• G Weathering and erosion are directly responsible for depositing loose sediments on the bottom of the ocean, forming layers of sediment.

• H Weathering and erosion are directly responsible for the amount of water in a river that transports sediments to the sea.

• J Weathering and erosion are directly responsible for the transportation, deposition, and compaction of loose sediments on the seafloor.

Students placed four cubes of the same volume in a beaker of water. One cube floats on top of the water, one cube sinks to the bottom, and two cubs float in the middle of the water, beneath the surface. Click on the correct answer for Part A and Part B.

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5.5A

Canyons are U-shaped valleys form differently. Choose the correct answer for Part A and Part B.

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5.7B

A student wants to change the circuit so only Bulb C is lit when one switch is closed. What does the student need to do?

• Connect Bulb B to Bulb C and close Switch 2

• Connect Bulb A to Bulb C and close Switch 3

• Connect the battery to Bulb C and close Switch 1

• Close Switch 2

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5.6B

A student has 3 spheres. Each sphere is made from copper, steel, or iron. The spheres each have a mass of 30 grams. Choose the correct answer for Part A and Part B.

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5.5A

A complete circuit is shown. At which point can you cut the wire and have exactly 3 lit bulbs?

• A

• B

• C

• D

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5.6B

A partial desert food web is shown. Which organism receives energy directly from a carnivore and an herbivore?

• Agamid lizard

• Beetle

• Fennec fox

• Jerboa

• Golden eagle

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5.9B

Choose the correct answer for Part A and Part B.

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5.8C

Click on the correct answer for Part A and Part B

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5.8C