Electricity
the flow of electric charge through a wire
electric current
What are the two ends of a magnet called?
magnetic poles
A push or pull on an object is called what?
force
The force that pulls things toward Earth
gravity
device turns motion into electricity
electric generator
What invisible area around a magnet pushes or pulls objects?
When two objects pull toward each other
attractive
The pull between objects due to their mass
gravitational force
What kind of field surrounds an electric charge?
electric field
When two magnets push away from each other, the force is called what?
repulsive
When you build a first version or test model of something
prototype
The area around an object where gravity acts
gravitational field
What device changes electrical energy into movement?
electric motor
What do we call a temporary magnet made by running electricity through a wire?
electromagnet
What is the amount of matter in an object called?
mass
What is the path an object takes around a planet or star?
orbit
slowing down electric current
resistance
What are the pushes or pulls between magnetic poles called?
magnetic forces
The force that resists motion between two surfaces
resistance
What is the measure of how strongly gravity pulls on an object?
weight