Friction

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

What makes a water slide work?

Back

A long piece of plastic, water, and you.

Front

How does friction affect speed?

Back

More friction decreases speed.

Front

Why is a water slide slippery?

Back

Because of the water.

Front

What creates more friction, a rough surface or a smooth surface?

Back

A rough surface.

Front

Why can you slide on a smooth floor with socks but not with sneakers?

Back

Sneakers create more friction than socks.

Front

What is an example of a rough surface?

Back

Sandpaper or a gravel road.

Front

What is an example of a smooth surface?

Back

A glass table or a polished floor.

Front

What happens when there is less friction?

Back

Objects can move faster and slide more easily.

Front

Can friction be helpful?

Back

Yes, friction helps us walk without slipping.