What would be a good way to slow down on a bicycle?

• Drag your feet along the ground.

• Pedal faster.

• Ask someone to give you a push.

What would be a good way to speed up on a slide?

• Hold onto the sides.

• Put your feet down.

• Wear slippery clothes.

Tags

NGSS.MS-PS3-5

Which of these things could you change the shape of by pushing?

• A sandcastle

• A metal toy car

• A glass cup

Pushes and pulls are examples of...

• Forces

• Stretches

• Twists

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When you push a toy car, it eventually stops. This is due to something called...

• Friction

• Gravity

• Twisting

With the same push, would a heavy car travel further or less far than a light car?

• Further

• Less far

• They would both travel the same distance.

Tags

NGSS.MS-PS2-2

On which track would a sled move the fastest?

• Moving on a flat track

• Moving down a gently sloping track

• Moving down a steeply sloping track

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What else might affect the speed of a sled on a track?

• The color of the track

• The surface of the track

• The name of the track

Tags

NGSS.MS-PS3-1

What is the best description of what forces do?

• They stop things moving.

• They start things moving.

• They make things speed up, slow down, or change direction or shape.

Tags

NGSS.MS-PS2-2

What is the force called that makes things fall when we drop them?

• Friction

• Gravity

• Stretching

Tags

NGSS.MS-PS2-4