Electrical

In the diagram below, describe the energy transformations that occur in the circuit, starting with the battery, when the light is on.

• Chemical to Electric to Light

• Chemical to Mechanical to Light

• Electrical to Chemical to Light

• Light to Chemical to Electrical

Which material is a conductor?

• plastic

• silver

• glass

Is this an open circuit or a closed circuit?

• open

• closed

In a complete circuit, the wire is the_____________.

• load

• conductor

• power source

Which item is a resistor in Circuit B?

• light bulbs

• wire

• battery

Which of these could be used as a resistor in a

circuit?

• a gas engine

• a rubber eraser

• an electric motor

An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —

• Point D to Point C

• Point B to Point C

• Point A to Point D

• Point B to Point D

Tags

NGSS.MS-PS2-3

Which bulbs will light?

• and 2

• and 3

• and 4

• and 2

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.

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

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Tags

NGSS.MS-ETS1-1