Using Electromagnets

Using Electromagnets

7th Grade

79 Qs

quiz-placeholder

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Using Electromagnets

Using Electromagnets

Assessment

Quiz

Science

7th Grade

Easy

Created by

Mrs A Bajwa

Used 1+ times

FREE Resource

79 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Learning Objective: How are electromagnets used in everyday life? Recall what an electromagnet is and how to make one.

Electromagnets are used in devices like electric bells and MRI machines. They are made by wrapping a coil of wire around an iron core and passing electric current through the wire.

Electromagnets are only found in nature and cannot be made by humans.

Electromagnets do not require electricity to function.

Electromagnets are permanent magnets that do not lose their magnetism.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Learning Objective: How are electromagnets used in everyday life? Electromagnets are used in which of the following devices?

Television remotes

Refrigerator magnets

Electric bells

Wooden chairs

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electromagnets are used in which of the following everyday devices?

Electric bells, circuit breakers, and loudspeakers

Light bulbs, batteries, and solar panels

Televisions, refrigerators, and microwaves

Washing machines, fans, and heaters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How do you think they work?

By using electricity

By using water

By using wind

By using solar power

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: An electric bell uses an ________ to produce sound.

electromagnet

battery

resistor

capacitor

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: A circuit breaker is a safety device that uses an ________ to break the circuit when the current is too high.

electromagnet

insulator

resistor

condenser

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How can we use electromagnets in the real world?

In making electric bells, MRI machines, and maglev trains

In making wooden furniture, glass bottles, and paper

In growing plants, cooking food, and painting walls

In making plastic toys, rubber bands, and cotton clothes

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