Light and Sound Review

What causes sound to be heard?

• Vibrations

• voices

• pitch

• tune

What is an example of a sound source?

• a rock

• A musical instrument being played

• a book

• a chair

What gives off dim light?

• fire

• sun

• glow sticks

What gives off bright light?

• Sun and fire

• glowsticks and computers

• candles

How is a shadow made?

• A plane flies overhead

• A car goes fast

• A shining light is blocked by something

What type of objects let light through?

• Transparent

• Opaque

• Transluscent

Light moves in a _____ path

• straight

• circular

• curved

Mirrors _____ the direction of a light beam.

• do nothing to

• change

• look nice for the

Answer explanation

Light travels in a straight line.