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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

The name of the force that attracts objects with mass toward each other.

Gravity

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

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

False

200

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

Maglev Train

200

T or F: a cheeseburger has a gravitational pull. 

True

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

What magnetic field does a compass use?

(Think big)

Earth's magnetic Field

300

What two factors increase potential energy?

Mass and height above ground.

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

On a typical bar magnet, where is the pulling force the strongest?

The ends

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

The type of graph that would represent the relationship between gravitational force and distance.

Negative Non-linear.
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

What is electromagnetic induction?

When a magnetic field and electric field interact. 

500

Daily Double! 

If I drop a bowling ball and a golf ball from the same height, which ball will hit the ground first?

Both will hit the ground at the same time. 

500
True or False. Electromagnets can be turned on and off.
True