Energy
Force & Motion
Sound & Vibrations
100

What gives Earth most of its light and heat?

The sun.

100

What are the two ways you can use a force to move an object?

A push or a pull.

100

What do we call something we hear?

Sound.

200

What kind of energy helps us see things?

Light energy.


200

If you kick a soccer ball, are you using a push or a pull?

A push.


200

What makes sound? Objects doing what?

Vibrating.

300

What kind of energy helps us hear music and sounds?

Sound energy.

300

What happens when you push a toy car harder?

It may move faster or farther. 

300

If you pluck a rubber band, what makes the sound?

The rubber band vibrates.

400

What is one thing that needs energy to work?

Flashlight, car, tv, fan.

400

What force pulls objects toward the ground?

Gravity

400

Can sound travel through air?

Yes sound travels through air.

500

What happens to a flashlight when its batteries run out of energy?

It stops shining because it does not have the energy it needs. 

500

If you roll a ball across the floor, why does it eventually stop?

The friction between the ball and the floor slow it down.

500

What happens to a sound when you hit a drum harder?

It gets louder because the drum vibrates more strongly.