energy quiz

What kinds of electric charges are there?

• Positive

• Negative

• Neutral

• A and B

What do you call matter that has a balance of positive and negative charges?

• Neutral.

• Negative

• Positive

• Charges

Tags

NGSS.MS-PS2-3

Define electric charge:

• 1. They allow more circuits to be used at one time.

• 1. a parallel circuit has more than one path for the current to travel.

• 1. the basic property of the tiny particles that make up matter.

• 1. A charge jumping from you to the doorknob.

What is the result of the balloons being negatively charged?

• They repel each other.

• how much a material opposes the flow of current.

• A charge jumping from you to the doorknob.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Define static charge

• how much a material opposes the flow of current.

• parallel circuit has more than one path for the current to travel

• the build-up of charges in one place

• 1. a flaw in a circuit that allows a large current to flow through where it isn’t wanted.

Which type of charge does not move from one object to another?

• positive charge

• negative charge

• neutral charge

Which type of charge moves from one object to another?

• Positive

• Negative

• build-up

• Neutral

What are four ways to control electromagnets?

• you can not

• Only three ways

• 1. 1. Increase the number of coils of wire 2.  Use more batteries 3. Reverse the direction of current flow in the wire 4. Turn the current on and off.

Define electromagnet

• A force that pushes and pulls.

• 1. a magnet that has coils of current carrying wire around an iron core.

• 1. a type of material through which negative charges move easily.

What type of material are good insulators?

• Nonmetals.

• metals

• bricks

• heat