Matter, Electricity & Magnets

What is a flow of charged particles called?

• An electric current

• An electric circuit

• A load

The four parts of an electric circuit are:

• switch, energy source, socket and bulb.

• switch, energy source, socket and cable.

• switch, energy source, wire and bulb.

• switch, wire, socket and bulb.

A circuit in which a bulb lights up must be:

• Open

• Closed

• Have a switch

• Open or closed

Electricity can be dangerous because:

• It is powerful

• It can make you sick

• It can give you an electric shock

• It is hot

Which material would not allow electricity to flow through it.

• an insulator

• an electric circuit

• a conductor

• a fuse

What keeps electricity from getting to you?

• rubber

• cardboard

• plastic

• aluminum foil

Which of these materials would let electricity flow through it?

• an insulator

• a conductor

• a fuse

• an electric circuit

What do you call an object that allows electricity to run through it easily?

• Circuit tester

• Battery

• Electric current

• Wire

Which state of matter has particles packed tightly together?

• solid

• liquid

• gas

In order to change matter from liquid to solid form ................ has to occur.

• condensation

• freezing

• melting

• evaporation