magnets
Motion
Force
friction
Extra
100
Name the poles on a magnet
North and south
100
What is motion?
movement
100
What are the two forces?
push and pull
100
What is friction?
The force that occurs when one object rubs against another one
100
What is distance?
The amount of space between two objects
200
Name two items that a magnet will not be attracted to.
rubber, aluminum, wood, plastic, glass
200
What causes motion?
push or pull
200
What does contact force mean?
pushing or pulling an item to make it move
200
What would happen if there was no friction?
Items would slide and fall
200
What does MPH mean?
Miles per hour
300
What does repel mean?
to push away from
300
What makes your bike move?
pushing the pedals
300
What does non-contact force mean?
Not touching an item and it moves
300
What would slow a car down faster? icy roads, wet roads, dry roads
dry roads
300
When an object changes position it is in ?
Motion
400
What does attract mean?
to join together
400
What is speed?
How fast something is moving.
400
Name two non contact forces.
gravity and magnetism
400
All of the following will increase friction except: rubber, oil, sandpaper, rough stones
oil
400
The faster the speed the more ________it takes to move.
energy
500
True or false, the stronger the magnet the more it can hold. explain
true, there is more pull
500
What gives us energy? Name a way we us energy.
food, drink~~~run, walk, do work
500
What will happen to a ball if it is on a flat surface and no force is applied to it?
It will not move.
500
Why do gym shoes have rubber on them?
To give you more friction
500
A sky driver falling to Earth is what kind of force?
non contact
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