5.6B electricity and circuits

which of the following materials are best used as insulators?

• Wood

• Rubber

• Metal

• Plastic

Tags

NGSS.MS-PS3-3

Which of the following items would conduct electricity?

• Aluminum ladder

• Metal screwdriver

• Wooden baseball bat

• Rubber flip flops

____________ stops the flow of electricity.

• A conductor
• An insulator
• A magnet

Choose the correct sentence.

• This circuit will work because it is an open circuit.
• This circuit will work because it is a closed circuit.
• This circuit will NOT work because it is an open circuit.
• This circuit will NOT work because it is a closed circuit.

What is the path made for an electric current called?

• electric current

• an insulator

• a conductor

• a circuit

Electric currents need a ________________ to keep electrons flowing.

• lots of neutrons and electrons.

• an energy source

• an insulator

• lightning

Why is this not a complete circuit?

• the switch is open
• double positive charge
• negative charge is not connected
• nothing 

Circuits often include a _____________ to control the flow of current.

• switch
• conductor
• voltage
• current

Tags

NGSS.MS-PS2-3

Bits of tissue are sticking to the balloon because of---

• static electricity

• electromagnetism

• magnets

• heat

Tags

NGSS.MS-PS2-3

Why electrical wiring usually are covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• Plastic is an insulator

• To add more energy