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Static Electricity
Magnetism
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Gravity
Electromagnetic
100
What do you call an excess of positive or negative charge in an object?
Static Electricity
100
What do you call a force that acts on moving electric charges and magnetic materials?
magnetism
100

Variable that scientists change in an experiment. 

Independent or Manipulated Variable.

100
What is a magnet that only works with electricity?
electromagnet
200

T or F. An object charged with static electricity can attract an uncharged object.

True

200

Why does the needle on a compass move?

Pulls towards a magnetic field

200

The name of the train that uses electromagnetic transportation for hover causing it to be the fastest moving train. 

Maglev Train

200
What do you call a machine that uses electromagnets to change electrical energy into mechanical energy?
a motor
300

What is a property of matter that can be described as positive or negative?

an electric charge

300

T or F: Magnetism always repels and gravity always attracts.

False

300

What does an object need to have gravitational force?

Mass

300
What do you call a machine that uses electrical energy by turning coils of wire around powerful magnets?
a generator
400

You have two objects. Object 1 gains electrons, which transfer from object 2. What is true about the charges on object 2. 

Object 2 is positively charged.

400

There are two roller coasters. Roller coaster 1 is about to drop at 100ft in the air. Roller coaster 2 is about to drop 50ft in the air. Which roller coaster has the most potential energy?

Roller coaster 1

400
Who discovered electromagnetism?
Hans Christian Orsted
500
What do you call a material which an electric charge can move easily through?
Conductor
500
If you cut a magnet in half, would each end still have a north and south pole?
Yes
500
True or False. Electromagnets can be turned on and off.
True