What is a circuit?

• an outlet or switch
• a path which an electric current flows
• a poor conductor

Label the circuit

• closed circuit
• complete circuit
• incomplete circuit
• working circuit

A light bulb will shine brighter when

• An extra light bulb is added to the circuit
• An additional battery is added
• A smaller battery is used
• The switch is open in the circuit

Tags

NGSS.MS-PS3-5

_____ is an electric device which easily closes or opens an electric circuit.

• Filament

• Electric bulb

• Electric switch

• Electric cell

For electrical energy to flow, there must be a(n) ______.

• good battery
• copper wire
• on/off switch
• closed circuit

Tags

NGSS.MS-PS3-5

Which of the following is NOT a conductor?

• Water
• Aluminum
• Wood
• Penny

Tags

NGSS.MS-PS2-3

Pennies can be used to make a battery because they are __________.

• conductors
• insulators
• capacitors
• voltage

Tags

NGSS.MS-PS2-3

Human body is good conductor of electricity.

• True

• False

• i dont know

• May be

A device which is used to make or break an electric circuit is called _____________.

Human body is a good conductor of electricity. (True/ false)