Vocab
A force that slows motion when surfaces rub together.
Friction
Which has more friction: ice or carpet?
Carpet
Which is more streamlined: a box or a football?
football
What should stay the same when testing different surfaces?
Same object
Why do we not slip easily when we walk?
Friction
How rough or smooth a surface feels.
Texture
Which surface would slow a toy car the fastest: tile or sandpaper?
Streamlined shapes help objects move easily through what?
Air or water
If a car stops quickly, does the surface have more or less friction?
more friction
Name one sport where being streamlined helps.
Swimming, cycling, speed skating, etc.
A shape that helps an object move easily through air or water.
Streamlined
True or False: Rough surfaces usually have more friction.
True
Which paper shape falls faster: flat or folded into a point?
Folded or pointed
Which surface would let a car roll the farthest: carpet or ice?
Ice
Why do swimmers wear tight suits and caps?
to reduce friction in the water
The movement of an object from one place to another.
Motion
Why does a ball roll farther on tile than on carpet?
Tile has less friction
Why do streamlined objects move faster?
Reduce friction
Why is carpet used in friction investigations?
I has a lot of friction
How does friction help cars stop?
Slows the wheels and tires