Motion
forces
Sound
Vocab
Stem
100

What does it mean when an object is in motion?

It is moving.

100

What is a force?

A push or pull

100

What is sound?

A kind of energy that you hear.

100

What word means movement?

motion


100

What part of a paper airplane helps it fly?

the wings

200

What is the measure of how fast something moves?

Speed

200

What can a force do to an object's speed?

It can make the object start, stop, go faster, or go slower.

200

How is sound made?

Sound is made when an object vibrates.

200

What word means a push or pull that can change how an object moves?

force

200

What part of an airplane helps keep it flying straight?

the tail

300

Name one way an object can move.

In a straight line, zigzag, back and forth, or round and round.

300

If you push a ball away from you, what type of force are you using?

A push

300

What happens to a drum when you hit it?

The drum vibrates and makes a sound.

300

What word tells where something is, such as in, out, up, down, left, or right?


position

300

What could happen if a paper airplane had no wings?

It would not fly properly.

400

A swing moves toward you and then away from you. What type of motion is this?

Back and Forth


400

What force pulls objects toward Earth?

gravity

400

What word describes how loud or soft a sound is?

Loudness

400

What word describes whether a sound is high or low?

pitch

400

A player catches a ball in her hand. What puts a force on the ball?

the player's hands

500

A carousel moves around and around. What type of motion does it have?

Round and Round
500

Give two things a force can change about an object.

Its speed, direction, or position.

500

What word describes how high or low a sound is?


pitch

500

What word describes whether a sound is loud or soft?


loudness

500

A ball is hanging from a string. You pull it back and let it go. What kind of motion does the ball make?

back and forth

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