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100
A wheel that turns a post is a
What is wheel and axle
100
A rope placed over a grooved wheel is a
What is pulley
100
The measure of how far an object moves during a certain time is
What is speed
100
The push or pull that one object has upon another object is called
What is force
100
The rate at which the speed of an object changes is called
What is acceleration
200
The resistance between the surface of a moving object and its surroundings is called
What is friction
200
The amount of spaced that something takes up is called
What is volume
200
An arm that turns around a point is a
What is lever
200
The upward force of water working against the weight of an object is
What is buoyancy
200
The amount of matter in a object is
What is mass
300
The measure of how much mass an object has for its size is called
What is density
300
An inclined place that winds around a rod in a spiral is a
What is screw
300
A device that performs work is a
What is machine
300
The measure of the pull of gravity on an object is
What is weight
300
An inclined plane used to push things apart is a
What is wedge
400
The tendency for matter to say moving or to stay still is called
What is inertia
400
Wedges and screws are types of
What is inclined planes
400
Scissors are an example of which type of simple machine
What is a lever
400
All simple machines can be
What is put together with other machines or can be used alone
400
When a gold ball is hit with a golf club, the ___________ of the club causes the ball to move.
What is force
500
Friction has a tendency to _________ __________ an object.
What is slow down
500
Without friction or any other force acting on it, an object that is in motion _____________________
What is stays in motion
500
Which object has the smallest density?
What is a feather
500
Which as the greatest volume?
What is a garbage can
500
Matter has ____________ and takes up ___________.
What is mass and space