STAAR Review

Which of the following shows an energy transformation from chemical energy to electrical to light energy?

• A bolt of lightning lights the night sky.

• A candle glows brightly in the dark.

• A fire in a fireplace lights up a room.

• A battery causes a flashlight to shine.

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

• mechanical to thermal to electrical

• chemical to mechanical to thermal

• mechanical to chemical to sound

• chemical to sound to electrical

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following devices transforms electrical energy into mechanical energy?

• An e-reader

• a fan

• a manual pencil sharpener

• ipod

A television works by transforming electrical energy into what other kinds of energy?

• Light, thermal, and sound

• Thermal, chemical, and solar

• Sound, mechanical, and electrical

• Light, chemical, and mechanical

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical

• mechanical -> electrical

• chemical -> mechanical

• mechanical -> electromagnetic

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NGSS.MS-PS3-5

Energy transformations occur when...

• energy is created through conduction

• energy changes from one form to another

• two forces slide together that are touching

• a chemical reaction takes place

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NGSS.HS-PS3-3

an inherited characteristic that provides a specific advantage to individuals that have it and becomes more common or pronounced in a population because of the advantage it providese

• migration

• adaptation

• impact

• interact

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NGSS.MS-LS4-4

An organism that consumes dead or nonliving biomass without need for internal digestion

• Scavenger

• Consumer

• Decomposer

• Producer

When a population thrives, it means that-

• the number of organisms is decreasing.

• it is growing strong and reproducing.

• the number of organisms is increasing.

• the number of organisms stays the same.

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NGSS.MS-LS2-4

NGSS.MS-LS4-4

When changes to an environment happen, animals-

• move.

• perish.

• adapt.

• all of the above

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NGSS.MS-LS2-4