Sound Intro

What is sound?

• A wave or vibration that travels through 3 states of matter.
• a source of light through 3 states of matter.
• a type of gas through 3 states of matter.

What are the three (3) states of matter?

• Liquid,honey,shoe polish.
• Liquids, solids and gases.
• red ,blue and green colours.

How does sound travel?

• it uses sunlight.
• it uses movement to vibrate molecules.
• it rides the TTC.

In spaces where there is a vacuum and no matter,

• sound will not travel.
• sound moves faster.
• sound slows down.

Why does sound not travel in spaces of no matter?

• because there will be no molecules to vibrate.
• because the molecules move too fast.
• because they need sunlight.

Frequency is

• an important videogame.
• an important measure of sound.
• an important measure of light.

When more sound waves pass through an object,the frequency is

• low.
• high.

When less sound waves pass through an object,the frequency is

• low
• high

What do humans use to detect sound?

• ears.
• feet.
• fingers.

Higher frequency sound waves give us

• a lower pitch.
• a higher pitch.