Electricity & Magnetism Review

Which of the following is a list of insulators?

• wood, rubber, gold

• wood, plastic, rubber

• copper, plastic, gold

• copper, gold, iron

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following is a list of conductors?

• wood, rubber, gold

• wood, plastic, rubber

• copper, plastic, gold

• copper, gold, iron

Which poles will attract (pull together)?

• South & North

• South & South

• North & North

Which poles will repel (push apart)?

• North & South

• South & South

• South & North

Which of the following electonmagnets would be the strongest?

• 14 coils

• 10 coils

• 8 coils

• 4 coils

If you wrap more coils around an electromagnet, it will become...

• brighter
• stronger
• weaker
• invisible

A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 

• The switch needs to be opened.
• The switch needs to be closed.
• The cell needs an insulator.
• The wire needs to be connected to the bottom of the cell.

Tags

NGSS.4-PS3-2

this is the symbol for a _____?

• switch
• light 
• battery
• wires

Tags

NGSS.HS-PS2-5

A device that uses chemical energy to make electricity

• Conductor
• Battery
• Motor
• Generator 

Electromagnets need _____________ to work.

• electricity

• lightning

• an on switch

• neutrons