Year 8 Physics: Energy & Light

White light is made up of all of the colors of the rainbow

• True

• False

Black absorbs all light.

• True

• False

Light is a form of _________.

• sound
• heat
• energy
• color

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This is used to separate white light into colors. 

• prism
• reflection
• sunlight
• spectrum

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Materials such as wood and metal do not let light travel through them. We cannot see them at all. They are said to be ______________.

• invisible
• opaque
• translucent
• transparent

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In the diagram, which letter represents the angle of incidence?

• A

• B

• C

• D

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Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

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On a roller coaster, where is maximum potential energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

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which of these have kinetic energy?

• a rock on top of a hill
• an archer's bow drawn back
• a car rolling along the road
• a bicycle sitting at a stop sign

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What do we call a change from one form of energy to another?

• Energy change

• Energy transformation

• Energy creation

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