Friction - Bill Nye Video Fire fighters use friction to control how fast they _ _.

A sliding door on its track moves more easily because it has less _ _.

The weight on the ramp is not moving because it’s being held in place by _ _.

Friction can turn work into _ _.

These two things are affected by friction:
1.
2.

Friction is a force created whenever things _ _.

What allows our fingers to hold into things? (What creates friction on our fingers?)
_ _

What does a hovercraft push onto the surface of water?

What forms below skates which decreases friction?

These help your feet stay in place on wooden floors:
_ _

Because a _ _ is round, when you push it, it starts to _ _. Since it’s not sliding, this reduces _ _.

Rollerblades use _ _ to reduce friction.

Name two life forms that have adapted to friction, and their body parts or substances involved.
1.
2.

What do we call air friction encountered by an aircraft?
_ _

In the balloon-in-a-box experiment, the straws acted like _ _ to reduce friction.