Force and Motion!

What do you NOT need to slip and slide?

• water

• long piece of plastic

• you

• a snack

You can only tell if something is slippery if you’re touching it.

• True

• False

When does slipperienes happen? 

• When you hold a bar of soap.

• When two things touch.

• When two things do NOT touch.

When two things are touching and they keep each other from sliding it is called....

• momentum

• acceleration

• friction

The more friction there is, the harder it is for what to occur? 

• The harder it is for things to move

• The harder it is for things to stay put

Why is it harder to move the book outside versus the tabletop? 

• Because the table top is rougher.

• Because the sidewalk is rougher.

• Because the sidewalk is smoother.

How much friction there is between two things, depends on ...

• the color of the surfaces

• the kinds of surfaces

• The time of day

Things are more slippery when there is....

• more friction

• less friction

• the same amount of friction

The plastic slide gives you a _____ surface to play on than the grass.

• smoother

• rougher

• longer

The water on the slip-and-slide comes between the two surfaces that are touching and makes it so there’s very little ______.

• friction

• surface

• gravel