Circuits

What is the main source of current(power) in a circuit?

• wire

• light bulb

• battery

• insulator

Tags

NGSS.4-PS3-2

What carries electrical energy to the lightbulb?

• wire

• light bulb

• switch

• battery

Tags

NGSS.4-PS3-2

What turns the circuit on and off?

• conductor

• insulator

• switch

• light bulb

What changes electrical energy to light energy?

• switch

• light bulb

• battery

• conductor

Tags

NGSS.4-PS3-4

What appliance converts (changes) ELECTRICAL energy to HEAT energy?

• gas clothes dryer

• calculator

• hair dryer

• cell phone

Tags

NGSS.4-PS3-4

What's wrong with the circuit?

• The light bulb is burnt out.

• There are not enough connectors.

• There is no energy source.

Tags

NGSS.4-PS3-2

The battery pack is in a complete circuit but the bulb will not light. Why?

• The circuit is incomplete.

• The batteries are different brands.

• The batteries are in wrong.

Tags

NGSS.4-PS3-2

A phone charger has plastic around the metal wire inside. Why is there plastic surrounding the wire?

• metal wire is an insulator

• plastic is an insulator

• plastic is a conductor

Tags

NGSS.5-PS1-3

Why will the circuit above not light? *

• The cardboard is an insulator and will not allow the power to flow through to the bulb.

• The snaps are not connected

• The cardboard is a conductor and overpowers the circuit.

Tags

NGSS.4-PS3-2

NGSS.3-PS2-3

Why will only 1 bulb light but not the other? *

• because the batteries are in wrong.

• there is only 1 complete path that leads to one bulb.

• there are 2 complete circuits.

Tags

NGSS.4-PS3-2

NGSS.3-PS2-3