Electricity

If bulb 1 burns out, what will occur?

• bulbs 2 and 3 will go out

• bulbs 2 and 3 receive more volts

• bulbs 2 and 3 will stay lit

• nothing will happen

The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --

• keep the electrician dry

• create an electrical circuit

• produce electricity

• protect the electrician

Which of these substances conducts electricity the best?

• wood

• brick

• copper

• plastic

Tags

NGSS.MS-PS2-3

A great conductor of energy is:

• wood

• plastic

• metal

• cloth

A material in which electrons are able to move easily

• Circuit

• Insulator 

• Resistance 

• Conductor 

A material in which electrons are not able to move easily 

• Circuit 

• Insulator 

• Resistance 

• Conductor

Which one is NOT an insulator.

• Plastic

• Rubber

• Paper

• Water

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

brass is a _____?

• insulator

• conductor

Tags

NGSS.MS-PS2-3

Which of these items do NOT use electricity?

• lamp

• washing machine

• kettle

• hair dryer

TRUE or FALSE: positive and negative charges do not attract each other.

• TRUE

• FALSE

Tags

NGSS.MS-PS2-3