What is Electricity? Review

What is a material that resists, or does NOT allow, energy to flow through?

• circuit

• insulator

• series

• conductor

A PATH along which electricity can flow is a ___________________?

• conductor

• electron

• current

• insulator

An ____________ ia the basic unit of all elements of matter.

• proton

• atom

• electron

• current

Which is NOT a good conductor?

• silver

• iron

• copper

• plastic

Which is NOT a good insulator?

• silver

• plastic

• rubber

• glass

How can it be explained that someone's hair can stick to a balloon?

• There is static electricity

• There is too much dust in the air

• A parallel circuit was too long

• The person needs to wash his hair

A particle located in the nucleus of an atom that has a positive electrical charge is called a _________________.

• Electron

• Neutron

• Proton

• Current

A particle is an atom that has a negative charge, and acts as the primary carrier of electricity is called an ______________.

• electron

• neutron

• current

• proton

What is electricity?

• when two objects repel each other

• the flow of electrons

• a circuit that has only one path for electricity to flow

• an object that electrons do not flow through

Tasha tested several items to see if they could conduct electricity. Her data is shown below. What is the best claim she could make from her data?

• Wood is an insulator.

• Metal is an insulator.

• Keys are insulators.

• Toothpicks are conductors.