Stage 7, Unit 9.1 Cambridge Science

It stores chemical energy that can be changed to electrical energy in a circuit.

• Cell

• Battery

• Storage device

• Drive

It contains two or more cells joined together.

• Cell

• Battery

• Storage device

• Drive

The cell in the circuit has two connections, called_________________.

When connected into a circuit, the negative terminal of a cell, battery or power supply pushes __________around in the wires.

The flow of electrons in the circuit is called ________________.

• resistance

• voltage

• current

• parallel

Electrons have a ____________charge.

• positive

• negative

• neutral

Opposite charges ___________ , and like charges __________.

• attract, repel

• repel, attract

• cancel, out

• decrease, increase

(+) means _____

• negative

• positive

• neutral

The flow of current in a circuit is the _____________ of electrons around the circuit.

• repel

• attraction

• movement

• parallel

True or False:

Electron in a circuit are free to move.

• True

• False