🟣 Lesson Check - Electricity

Last updated about 3 years ago

11 questions

Question 3

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

Question 10

10.

Describe how you made the switch?

Question 11

11.

What are the two types of circuits?_______ _______ 

Question 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?

The extension cord makes the fan more powerful.

The extension cord makes the fan easier to operate.

The extension cord transfers sound energy to the fan.

The extension cord transfers electric currents from the outlet to the fan.

Question 2

A flow of electrical charges is known as _____.

resistance

electrical current

static electricity

voltage

Question 3

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

Question 4

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

voltage source

conductor

insulator

resistor

Question 5

A conductor is a________

a material that increases the number of charged particles

material that increases the amount of electricity

material through which electricity flows easily

material that stops the flow of energy

Question 6

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.

Hair dryer

Alarm clock

Ceiling fan

Cell phone

Question 7

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?

Charged particles are being pulled from the air.

Charged particles are being pulled from the floor.

Charged particles are being destroyed.

Question 8

A switch in a circuit _____.

acts as an insulator

absorbs electricity

allows or stops the flow of electricity

keeps the flow of electricity at a safe level

Question 9

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

a magnet

a compass

a voltage

a resistor

Question 10

10.

Describe how you made the switch?

Question 11

11.

What are the two types of circuits?_______ _______ 

Question 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?

The extension cord makes the fan more powerful.

The extension cord makes the fan easier to operate.

The extension cord transfers sound energy to the fan.

The extension cord transfers electric currents from the outlet to the fan.

Question 2

A flow of electrical charges is known as _____.

resistance

electrical current

static electricity

voltage

Question 4

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

voltage source

conductor

insulator

resistor

Question 5

A conductor is a________

a material that increases the number of charged particles

material that increases the amount of electricity

material through which electricity flows easily

material that stops the flow of energy

Question 6

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.

Hair dryer

Alarm clock

Ceiling fan

Cell phone

Question 7

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?

Charged particles are being pulled from the air.

Charged particles are being pulled from the floor.

Charged particles are being destroyed.

Charged particles are being moved from one object to another.

Question 8

A switch in a circuit _____.

acts as an insulator

absorbs electricity

allows or stops the flow of electricity

keeps the flow of electricity at a safe level

Question 9

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

a magnet

a compass

a voltage

a resistor

Charged particles are being moved from one object to another.

🟣 Lesson Check - Electricity

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

Describe how you made the switch?

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

A flow of electrical charges is known as _____.

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

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

A conductor is a________

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.

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

A switch in a circuit _____.

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

Describe how you made the switch?

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

A flow of electrical charges is known as _____.

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

A conductor is a________

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.

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

A switch in a circuit _____.

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

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?

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.

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?

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?

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.

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?