Electric Charge and Circuits

What is the difference between a conductor and an insulator?

• A conductor is magnetic and an insulator is not

• An insulator is magnetic and a conductor is not

• A conductor allows electricity to flow through it easily and an insulator does not.

• An insulator allows electricity to flow through it easily and a conductor does not

As you continue to add lightbulbs in series, what happens?

• The bulbs get brighter

• The bulbs get dimmer

• The bulbs remain the same brightness

• The bulbs explode and shards of glass get everywhere

Neutrons have a ______ charge.

• positive

• negative

• neutral

This is an example of a _______ circuit

• open

• series

• parallel

• switch

Protons have a ______ charge.

• positive

• negative

• neutral

What is an electrical circuit?

• a closed path where electricity flows

• Does not let electricity flow through it

• When a bulb does turn on

An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —

• Point D to Point C
• Point B to Point C
• Point A to Point D
• Point B to Point D

Rubber is an example of...

• an insulator

• a conductor

Which of the following can work as an energy source?

• Lightbulb

• Switch

• Wire

• Battery

Tags

NGSS.4-PS3-2

NGSS.4-PS3-4

The force between electric charges depends on...

• both the mass and the distance between charges

• the distance between charges

• the amount of charge

• both the distance between and the amount of charge

Tags

NGSS.MS-PS2-3