Show:
All About Forces
Motion and Work
Simple Machines
More Simple Machines
Magnets
100
Force
A pushing or pull that makes something move is a _______
100
Work
_____________ happens whenever a force makes and object move.
100
Simple Machine
This is a tool with few or no moving parts.
100
Lever
This simple machine moves things.
100
Attract
This means to pull toward
200
Answers may vary.
Name an object that uses BOTH a pushing and pulling force
200
Force
How much work you do depends on how much _________ you use.
200
Wedge
This simple machine pushes things apart, like a knife.
200
Wheel and Axle.
This simple machine works together, when you put force on the one part, the other part turns.
200
Repel
This means to push away
300
Motion
The act of moving is called ________________
300
No Work.
If an object does not move ________ _________ is done.
300
Inclined Plane
This simple machine is higher at one end than the other and makes it easier to move things.
300
Wedge
A beaver's long teeth are used like a _____________ when it cuts into wood.
300
Magnetic Poles
This is a place on the magnet that has the strongest pull.
400
Gravity
A force that pulls things toward the center of the Earth
400
Friction
What makes objects slow down or stop moving?
400
Pulley
This simple machine is made up of a wheel and a rope.
400
Inclined Plane
A slide is an example of what kind of simple machine?
400
repel
When the same ends of the poles are put together, the magnets will ________________
500
A pencil, eraser
Name something on your desk that requires very little force to move.
500
heat
Friction can cause _____________ when you rub your hands together.
500
Screw
This simple machine holds things together.
500
Pulley
You can see this simple machine in a construction yard on a Crane.
500
Iron
Magnets will attract this type of metal.