Science Chapter 9 review

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

What helps us see where we are going?

• Light energy

• Sound energy

• Mechanical energy

• Thermal energy

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

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True / False -- All the objects we use every day need electricity to work

• True

• False

The bouncing back of light waves off of a surface is...

• Reflection

• Refraction

• Light

• Lens

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Light travels...

• around corners

• in a straight line

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A mirror _________ light.

• absorbs

• reflects

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Smooth and shiny surfaces can reflect light.

• true

• false

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What causes a shadow to change during the day?

• a. The sun's position in the sky

• b. Where the moon is located during the day

• c. When the sun sets

Tags

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___________ is the movement of energy from warmer places and objects to cooler ones.

• Heat

• Light

• electricity

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