Electricity Review

An instrument used to measure electric current is a(n) _____.

• Voltmeter

• Generator

• Ammeter

• Transformer

A good conductor is a material that does NOT allow electricity to flow through it.

• True

• False

Select the items needed to have a complete circuit.

• Energy source (battery)

• Wires

• Energy user (lightbulb)

• Voltmeter

• Switch

Which of the following are examples of conductors?

• Copper

• Plastic

• Glass

• Aluminum foil

• Pencil lead

Tags

NGSS.MS-PS2-3

Electric current is the flow of _________.

• protons

• electrons

• neutrons

• none of them

Electric current is measured in....

• watts

• joules

• newtons

• amperes

Voltage is simply defined as...

• what 'pushes' electrons
• what 'stops' electrons
• moving electrons

current is measured in....

• volts
• amps
• watts
• mph

To have a complete electric circuit, that turns on a light, the path must be _____

• small

• closed

• big

• open

______________ are materials such as rubber that do not allow charges to flow.

• conductors
• circuits
• insulators
• amps