A vibration is when something moves _______ and forth.

• back

• around

Tags

NGSS.4-PS4-1

What would cause water in a glass to move?

• read a book

• play loud music

• turn on the lights

Tags

NGSS.MS-PS2-2

You are going to play the xylophone.

 

You hit the bars.

What do you predict will happen next?

Check all the correct boxes.

• The bars will vibrate.

• The bars will break.

• The bars will make light.

• The sound will vibrate the xylophone.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

NGSS.MS-PS4-2

An elephant makes a trumpeting sound. It signals that there is _________ nearby.

• danger

• food

• shelter

How do young birds communicate when they are hungry?

• They sleep.

• They make a sound.

• They sit still.

What are two ways that the turkey is communicating?

• It uses its feathers.

• It uses its legs.

• It makes a sound.

What do frogs use to communicate?

• ears

• legs

• throat

Which animals are communicating with sound?

• 
• 
• 

Which activity will not make a sound?

• read aloud

• close your eyes

• stomp your feet

A girl plucks a rubber band guitar.

What causes the guitar to make a sound?

• light

• vibrations

• colors