Review of what was learned in the topic of 'Electricity'.

What is an atom?

• An atom is the basic unit of an element.

• An atom is the basic unit of life.

• It consists of protons and neutrons

• It consists of, neutrons and electrons.

What is electricity?

• Electrical energy is caused by moving electric charges called neutrons

• Electrical energy is caused by moving electric charges called protons

• Electrical energy is caused by moving electric charges called electrons

• Electrical energy is caused by moving electric charges called ohms

Current in a circuit is the movement of …………………

• Protons

• Electrons

• Neutrons

• Atom

Electrons have a .......... charge

• Positive

• Neutral

• No

• Negative

electron particles are ………………… by the positive terminal of a battery

• attracted

• repelled

• pushed

• destroyed

Electrons are ………………… by the negative terminal of a battery

• Repelled

• Attracted

• Pushed

• Destroyed

The part of an atom that would be found outside the nucleus is the ______.

• neutron

• proton

• electron

• positron

Neutrons are neutral. This means that

• neutrons are not involved in chemical reactions.

• neutrons do not have a charge.

• neutrons do not have mass

• neutrons are neither acidic or basic.

What is the name of the electrical pressure that push the electrons through a electric circuit?

Is true that many circuits are designed only to accept certain number of volts?

• True

• False