Understanding Sound and Its Properties

What happens to the rice when you tap the jar?

When you tap the jar it makes the rice grains ______________.

___________ travel through the jar and plastic wrap to the rice.

The rice grains move ___________ when you tap the jar gently.

The rice grains move ___________ when you tap the jar hard.

Fill in the missing words. The _____________ travel from the tin tray to the _______________.

• vibrations

• sound

The air ___________ and makes the _______________ vibrate.

The vibrations ___________ from the plastic wrap to the rice grains.

We see the ___________ jump.

Identify the control, independent, and dependent variables. a. control ___________________________________