Amplify Ch 7

Where can light travel that sound cannot?

• Through a vacuum

• Through water

• Through air

• Through solids

What is necessary for sound to travel?

• A medium

• A vacuum

• Light

• Heat

What is a similarity between light and sound?

• Both travel in waves

• Both need a medium

• Both travel at the same speed

• Both are visible

What is one characteristic of sound?

• It needs a medium to travel

• It can travel through a vacuum

• It is faster than light

• It is not a form of energy

What is the speed comparison between light and sound?

• Light travels much faster than sound

• Sound travels much faster than light

• They travel at the same speed

• Light travels slower than sound

How do light and sound travel?

• In waves

• In circles

• In squares

• In zigzags

What determines the color of light?

• The speed of the light wave

• The length of the light wave

• The height of the light wave

• The temperature of the light wave

What is an example of a low-pitched sound mentioned in the text?

• A baby crying

• A bird chirping

• An adult yelling

• A bell ringing

What does the term "pitch" refer to in sound?

• The speed of the sound

• The volume of the sound

• How high or low a sound is

• The direction of the sound

What kind of sound waves does a low pitch have?

• Longer sound waves

• Shorter sound waves

• No sound waves

• Silent waves