Motion
Force affects motion
Work
Simple Machines
Teacher's Pick
100
An object is in a different location. This has changes.
What is position?
100
A push or pull.
What is force?
100
You do this when you use force to move an object.
What is work?
100
A slanting surface that connects a lower level to a higher level.
What is an inclined plane?
100
A merry-go-round is an example of this simple machine.
What is a wheel and axle?
200
As an object's position is changing the object is in what?
What is motion?
200
Contact that goes against motion.
What is friction?
200
You are thinking about a math problem.
What is not doing work?
200
This is made up of two slanted sides that end in a sharp edge.
What is a wedge?
200
Objects that change position at the same rate.
What is constant speed?
300
This is an object's position compared to another.
What is relative position?
300
A noncontact force that pull objects towards Earth.
What is gravity?
300
You are lifting a puppy.
What is doing work?
300
An inclined plane wrapped around a center post.
What is a screw?
300
Objects that change position at varying rates.
What is variable speed?
400
This is the rate, or how fast an object changes position.
What is speed?
400
A non-contact force that pull on or attract certain kinds of metal such as iron.
What is magnetism?
400
You are opening an unlocked door.
What is doing work?
400
A stiff bar that rests on support.
What is a lever?
400
A see saw is an example of this simple machine.
What is a lever?
500
These are position words.
What is front, back, next to, under, above?
500
These are the three contact forces.
What is push, pull, and friction?
500
You are trying to scoop rock hard ice cream.
What is not doing work?
500
This simple machine changes the direction of motion of an object to which a force is applied.
What is a pulley?
500
The lid of a jar is an example of this simple machine.
What is a screw?
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