Activate 2 Physics Review

What can an electromagnet do that a permanent magnet cannot do?

• It is stronger than any permanent magnet.
• It can be turned on and off
• They can glow in the dark

An object that does not conduct electricity.

• Insulator
• Conductor
• Electromagnet

A circuit that has two or more paths that electricity can follow.

• Series Circuit
• Electromagnet
• Parallel Circuit

A circuit that has only one path in which electricity can follow is a

• insulator
• conductor
• parallel circuit
• series circuit

Which of these materials makes a good insulator of electricity?

• plastics
• salt water
• aluminum foil
• silver

If one burned-out bulb causes all of the lights to fail in a circuit, what might you conclude?

• It is a parallel circuit.
• More batteries are needed.
• It is a series circuit.
• A heavier wire is needed.

• resistor

• Ammeter

• Voltmeter

• Switch

Tags

NGSS.MS-ETS1-1

• Ampere

• Switch

• Bulb

• Battery

What is the SI unit for measuring the electric current?

• Volts (1V = 1J/C)

• Coulombs (C)

• Ampere (1A = 1C/s)

• Volts (V)

What is the SI unit for the electric resistance?

• Joule

• Ampere

• Volts

• Ohms