Science STAAR Review All 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 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

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.

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NGSS.MS-LS2-3

What does solubility refer to?

• The ability of a substance to dissolve in another substance.

• The temperature at which a liquid turns into a solid.

• The ability of a substance to react with oxygen.

• The temperature at which a solid turns into a liquid.

Choose the correct answer for Part A and Part B.

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5.8C

Students were asked to classify materials as good thermal conductors or good thermal insulators. Drag and drop the correct classification for each material.

Rubber - ​ (a)  

Copper - ​ (b)  

Steel - ​ (c)  

Foam - ​ (d)  

Wool - ​ (e)  

• insulator

• conductor

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5.5A

Which graphic organizer correctly shows mixtures that can be separated by using separated by using evaporation and magnetism?

• A

• B

• C

• D

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NGSS.MS-PS1-2

A student turned the winder on a wind-up toy car two turns and recorded the amount of time the toy car stayed in motion. The student repeated the investigation, using a different number of turns each time. At the end of the investigation, the student concluded that the higher the number of turns, the longer the toy moves. Which data table best supports the conclusion?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1