Electric Insulator and Electric Conductor

A material that allows electric current or heat to flow through easily.

• electromagnetic field

• conductor

• open circuit

• electric current

Continue the sentence below by choosing the correct answer.

________________ prevents electric current from flowing.

• An open circuit

• A conductor

• electricity

• A closed circuit

A material that PREVENTS electric current from flowing is called :

• an electromagnetic field

• anelectric current

• an insulator

• a conductor

Which one of the following materials is NOT an insulator.

• Wool

• Plastic

• Copper

• Glass

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Is Wood a conductor or Insulator?

• Conductor
• Insulator

A great conductor of energy is:

• wood
• plastic
• metal
• cloth

All of the following are conductors except for _______.

• metal spoon

• wire

• iron nail

• plastic spoon

What object would best complete this circuit?

• A rubber band

• A peice of string

• An insulator

• An iron nail

water is a______?

• conductor
• insulator

Ms.Borg constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?

• plastic straw

• cotton string

• aluminum foil

• rubber eraser

Tags

NGSS.4-PS3-2