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🟣 Lesson Check - Electricity

Last updated almost 3 years ago
11 questions
1

A fan is plugged into an extension cord. The extension cord is plugged into a wall outlet. How
does the extension cord help the fan work?

1

A flow of electrical charges is known as _____.

1

An electric fence used to contain cattle works by transmitting energy through a conductor creating an electric ________.

1

In an electric circuit, a battery can act as a __.

1

A conductor is a________

1

You are asked to design a product that will change electrical energy to heat energy.
Choose the item you would research while developing your product.

1

Amy touched a machine called a Van de Graaf generator. When she touched the
generator all of her hair on the top of her head stood up. When she removed her hand
from the generator, her hair fell back to its normal state. What conclusion can you draw
from Amy touching the generator?

1

A switch in a circuit _____.

1

An object in an electrical circuit that resists the flow of energy is called _____.

4

Describe how you made the switch?

2
What are the two types of circuits?_______ _______