Sound Energy

Sound travels through solids, liquids AND gasses.

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound is caused by

• force

• vibrations

• instruments

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NGSS.4-PS4-1

NGSS.4-PS3-2

The measure of how high or low a sound is called its

• amplitude

• compression

• speed of sound

• pitch

Tags

NGSS.MS-PS4-1

Which of the following is the best model to describe how a sound wave travels?

• a tree branch moving in the wind

• a car speeding down a hill

• a baseball hit by a bat

• a marble dropped in a bowl of water

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The pitch of a stringed instrument can be affected by

• the length of the bow being rubbed across strings

• the size of a player's fingers

• the length and thickness of its strings

• how much energy is used when it is plucked

Tags

NGSS.MS-PS4-1

Why does cupping your hands around your mouth when you shout make the sound travel further?

• The sound spreads out.

• Your voice gets louder.

• Your voice becomes muffled.

• The sound doesn't spread as much.

Tags

NGSS.MS-PS4-1

What would happen if you tighten the strings on a guitar?

• it would make a low pitch sound

• it would make a high pitch sound

• it would produce low volume sound

Tags

NGSS.MS-PS4-1

What is volume?

• how high or low a sound is

• the loudness or softness of a sound

• vibrations moving through a medium

Tags

NGSS.4-PS4-1

What causes an echo?

• sound waves bouncing off large, hard surfaces

• sound waves bouncing off soft surfaces like carpet

• sound waves bouncing off small objects like tables and chairs

• you repeating yourself

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NGSS.MS-PS4-2

Why does the school music room have foam panels on the walls?

• So everyone can make a lot of noise

• to help prevent sounds from going to other parts of the school

• because it looks good

• to keep the thermal energy from transferring to sounds

Tags

NGSS.MS-PS4-2