Unit 5 Electricity

What is the term for materials that allow electricity to flow through them easily?

• Insulator

• Conductor

• Radiant

• Particle

Which of the following is an example of static electricity?

• A battery powering a flashlight

• Lightning during a storm

• A fan spinning

• A light bulb glowing

What happens in a closed circuit?

• Electric current cannot flow

• Electric current flows continuously

• The circuit is broken

• The circuit is insulated

Identify the term used for materials that do not allow electricity to flow through them easily.

• Conductor

• Insulator

• Electromagnet

• Radiant

Which of the following best describes a simple circuit?

• A circuit with multiple paths for electricity

• A circuit with a single path for electricity

• A circuit that is always open

• A circuit that uses static electricity

What is the role of a conductor in an electric circuit?

• To stop the flow of electricity

• To allow the flow of electricity

• To store electricity

• To convert electricity into light

Explain why a light bulb does not light up in an open circuit.

• Because the circuit is complete

• Because the circuit is broken

• Because the circuit is insulated

• Because the circuit is closed

How does an electromagnet differ from a regular magnet?

• It is always magnetic

• It can be turned on and off

• It is weaker than a regular magnet

• It does not require electricity

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the primary function of a magnetic field in an electromagnet?

• To insulate the circuit

• To create a force that can attract or repel objects

• To stop the flow of electricity

• To convert electricity into heat

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following is a characteristic of radiant energy?

• It flows through conductors

• It is visible as light

• It is stored in batteries

• It is always static