Electricity

Which of these materials is a good insulator?

• gold

• copper

• silver

• plastic

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Electricity happens with the flow of

• electrons.

• water

• sand

What's one example of a powerful electrical charge?

• Lightning

• fire

Tags

NGSS.MS-PS2-3

Protons have a ___________________.

• Positive

• Negative

Electrons have a _______________.

• negative charge

• positive charge

Tags

NGSS.MS-PS2-3

Electricity flows well through "conductors." A good example of a conductor is ___________________.

• metal

• wood

When you get shocked by touching a doorknob, that's an example of ___________________.

• static electricity

• an electrial circuit

An example of an insulator is:

• iron
• silver
• copper wire
• rubber

Tags

NGSS.MS-PS3-3

All wires used in electric circuits should be covered with:

• a colored material.
• a conducting material.
• an insulating material.
• none of these.

What is the difference between a conductor and an insulator?

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