STAAR Released

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NGSS.MS-LS1-5

• A Biofuel

• B Hydroelectric

• C Geothermal

• D Solar

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

• A Salt and water

• B Gravel and water

• C Shampoo and water

• D Sugar and water

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NGSS.MS-PS1-2

Based on their properties, which of the objects is most likely a metal?

• Object , because it is a solid that is less dense than water

• Object 2, because all metals float in water

• Object 2, because metals conduct thermal energy and electricity

• Object1, because it can be used to provide insulation for thermal energy

What is the athlete demonstrating in the picture?

• Doing work by pushing the ball and changing its motion and position

• Changing the position but not the motion of the ball

• Doing work by pulling the racquet and changing the ball’s position but not its motion

• Changing the position and motion of the ball without doing any work

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NGSS.MS-PS2-1

NGSS.MS-PS3-5

Which property of light are the students observing in this situation?

• Light can be refracted and separated into different colors as it moves from air to a different medium.

• Light is refracted as it moves from one medium to another medium.

• Light travels in a straight line and can be reflected off the surface of water.

• Light is absorbed by water and reflected off glass.

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NGSS.MS-PS4-2

This valley was most likely formed by —

• A a rapid series of earthquakes

• B volcanic activity

• C a flood with rapidly moving water

• D the movement of a glacier

Which organisms have a life cycle that is most like that of abalones?

• F Humans

• G Frogs

• H Birds

• J Snakes

• A LEDs 1, 3, and 4 only

• B LEDs 1, 2, 3, and 4

• C LEDs 3 and 4 only

• D LEDs 1, 3, 4, and 5

• F The pan-like shape of the giant water lily leaves helps them catch rainwater. The slim shape of the mesquite leaves helps them avoid sunlight.

• G The broad shape of the giant water lily leaves helps them stay on the water surface.The slim shape of the mesquite leaves helps them prevent water loss.

• H The pan-like shape of the giant water lily leaves helps them attract small fish. The slim shape of the mesquite leaves helps them avoid herbivores.

• J The broad shape of the giant water lily leaves helps them attract aquatic birds. The slim shape of the mesquite leaves helps them attract pollinators.

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NGSS.MS-LS2-1

NGSS.MS-LS2-3