Science TEKS

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

A partial food web is shown. Make a food chain that shows a complete pathway in which energy flows in this food web.

• Snakes

• Hawks

• Grasses

• Mice

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5.9B

The diagram shows land and sea. What is most likely occurring in Location X?

• Weathering of rock by water

• Cementation to form sedimentary rock

• Deposition to form a river delta

• Layering of deposited sediment

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5.7B

A partial forest food web is shown. Which organism does NOT obtain energy from any producers?

• Possum

• Deer

• Chipmunk

• Owl

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5.9B

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

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5.7B

With the switches in the positions shown, which lights appear lit?

• C and D only

• A, B, C, and D

• A and B only

• None of the bulbs

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5.6B

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