EMF pg 31-37 "What is Electricity?"

Front

Do all materials conduct electricity equally well?

Back

No, different materials have different levels of conductivity.

Front

Electrons have a _______ charge.

Back

Negative.

Front

What happens when two negative charges are brought close together?

Back

They repel each other.

Front

Batteries change _______ energy into electrical energy.

Back

Chemical energy.

Front

Of these choices, which material conducts electricity the best? Nickel, Copper, Cobalt, Iron?

Back

Copper.

Front

What is electricity?

Back

Electricity is the flow of electric charge, typically carried by electrons.

Front

What is a conductor?

Back

A material that allows electricity to flow through it easily.

Front

What is an insulator?

Back

A material that does not allow electricity to flow through it easily.

Front

What is static electricity?

Back

Static electricity is the buildup of electric charge on the surface of objects.

Front

What is the role of a battery in a circuit?

Back

A battery provides the electrical energy needed to power the circuit.