Topic 4 science lesson 4

What is the source of energy used to make neon lights different colors?

• electricity

• collision

• energy

• engineers

When you turn on a light ________ energy moves

• current

• light

• non electrical

• electrical

Electric charges can be

• positive and current

• positive and negative

• negative and current

Two particles that have the same charge will repel, or pull?

• Pull

• Repel

If charges are opposite they will

• attract

• repel

The flow of charged particles in the same direction is called

• insulator

• electric charge

• electric current

• conductor

In a conducting material, such as a wire, the electric current needs a __________

• starting point

• circuit

• light

• electric

The electric current must flow in a ________ path

• short

• long

• easy

• complete

An example of a conductor would be:

• grass

• copper

• iphone

• tv

What is an example of an insulator?

• metal

• plastic

• copper

• wire