Force
Motion
Simple Machines
Newton's Laws
More Simple Machines
100
This is a push or a pull.
What is force?
100
Using more force will make an object move ___________.
What is faster?
100
This is done when a force changes an object's motion.
What is work?
100

Objects need force to stay or move.

What is first law of motion? What is inertia?

100
This is a machine with few or no moving parts that make work easier.
What is a simple machine?
200
It takes _________ force to move a heavier object than to move a lighter object.
What is more?
200
This is the amount of space between the object's starting position and it's position after moving.
What is distance?
200
This is a simple machine made of a wheel stuck to a rod.
What is a wheel and axle?
200

When two people run into each other and fall backwards.

What is an example of the third law of motion? What is an example of action and reaction?

200
This is the object being moved by a machine.
What is a load?
300
This is a change in speed and direction over time.
What is acceleration?
300
This is the path from one position to another.
What is direction?
300
This is a simple machine with a flat, slanted surface that is raised at one end.
What is an inclined plane?
300

If one force acts on an object, an opposite force will push back.

What is third law of motion? What is action and reaction?

300
This is two or more simple machines put together.
What is a compound machine?
400
This type of force is acting on objects that are not moving.
What is a balanced force?
400
This is the change in the position of an object.
What is motion?
400
This is a straight bar that moves on a fixed point called the fulcrum.
What is a lever?
400

A soccer ball slows down on the grass.

What is inertia? What is an example of the first law of motion?

400
This is an inclined plan wrapped around a post.
What is a screw?
500
This type of force is acting on a moving object.
What is an unbalanced force?
500
This is how fast an object moves over a certain distance over time.
What is speed?
500
This is the machine that is made by putting two inclined planes back to back, and is often used to cut.
What is a wedge?
500

Forces can slow down, speed up, or change direction of an object.

What is the second law of motion? What is acceleration?

500
This is a machine that uses a rope and a wheel to lift an object.
What is a pulley?