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