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Grade 4 Science · Electricity and Magnetism

Grade 4 Electricity and Magnetism Practice Test

Build Grade 4 Science skills with five 10-question practice tests on circuits, conductors, insulators, switches, magnets, magnetic poles, electromagnets, motors, and electrical safety.

Electricity and Magnetism Practice Tests

These Grade 4 Science practice tests help students explain how electrical circuits and magnetic forces work. Students identify conductors and insulators, build complete circuits, describe magnetic poles, explore electromagnets, and apply electrical safety rules.

Skills covered

  • Identifying complete circuits, switches, conductors, and insulators
  • Explaining how batteries provide electrical energy
  • Describing attraction and repulsion between magnetic poles
  • Explaining magnetic fields and electromagnets
  • Connecting electricity and magnetism in motors and devices
  • Applying safe practices and fair-test design

How to use these practice tests

For circuit questions, trace the complete path from the energy source through the conducting materials. For magnet questions, identify the poles and the materials involved. Always use safe practices around outlets, batteries, wires, and electrical devices.

For more Grade 4 Science practice, return to the Grade 4 Science category.

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Grade 4 Electricity and Magnetism Practice Tests

A 10-question Grade 4 Science practice test on circuits, conductors, insulators, switches, magnets, magnetic poles, electromagnets, and electrical safety.

Read each science situation and choose the answer that best explains the electrical circuit, magnetic force, energy change, or safety rule.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

What happens around a wire when electric current flows through it?

Please select an answer first.

Correct answer: A

The correct answer is A magnetic field is produced around the wire..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: Moving electric charges can produce a magnetic field around a wire.
  3. Confirm the result: The correct choice is A magnetic field is produced around the wire..

Moving electric charges can produce a magnetic field around a wire.

2. QuestionMultiple choice

How could an electromagnet be made stronger?

Please select an answer first.

Correct answer: B

The correct answer is Wrap more coils of wire around the iron core..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: More coils carrying current can make the magnetic field stronger.
  3. Confirm the result: The correct choice is Wrap more coils of wire around the iron core..

More coils carrying current can make the magnetic field stronger.

3. QuestionMultiple choice

What does the battery do in a simple electromagnet?

Please select an answer first.

Correct answer: C

The correct answer is It provides electrical energy that creates current in the wire..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: The battery supplies energy for charges to move through the coil.
  3. Confirm the result: The correct choice is It provides electrical energy that creates current in the wire..

The battery supplies energy for charges to move through the coil.

4. QuestionMultiple choice

What happens to an electromagnet when the circuit is open?

Please select an answer first.

Correct answer: D

The correct answer is The current stops, so the magnetic effect becomes much weaker or disappears..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: An electromagnet depends on current in the coil, so opening the circuit stops the current.
  3. Confirm the result: The correct choice is The current stops, so the magnetic effect becomes much weaker or disappears..

An electromagnet depends on current in the coil, so opening the circuit stops the current.

5. QuestionMultiple choice

Which energy change can occur in an electric motor?

Please select an answer first.

Correct answer: A

The correct answer is Electrical energy changes into motion energy..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: An electric motor uses electricity to create motion.
  3. Confirm the result: The correct choice is Electrical energy changes into motion energy..

An electric motor uses electricity to create motion.

6. QuestionMultiple choice

What does an electric motor do?

Please select an answer first.

Correct answer: B

The correct answer is It uses electrical energy to make parts move..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: The interaction of electricity and magnetism can produce motion in a motor.
  3. Confirm the result: The correct choice is It uses electrical energy to make parts move..

The interaction of electricity and magnetism can produce motion in a motor.

7. QuestionMultiple choice

What energy change happens in a generator?

Please select an answer first.

Correct answer: C

The correct answer is Motion energy changes into electrical energy..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: A generator uses motion to produce electrical energy.
  3. Confirm the result: The correct choice is Motion energy changes into electrical energy..

A generator uses motion to produce electrical energy.

8. QuestionMultiple choice

What can an electromagnet lift in a recycling center?

Please select an answer first.

Correct answer: D

The correct answer is Iron or steel objects such as cars.

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: An electromagnet can attract large iron or steel objects.
  3. Confirm the result: The correct choice is Iron or steel objects such as cars.

An electromagnet can attract large iron or steel objects.

9. QuestionMultiple choice

How can a student fairly test whether more wire coils make an electromagnet stronger?

Please select an answer first.

Correct answer: A

The correct answer is Change only the number of coils and count how many paper clips are lifted..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: Changing one variable and measuring the number of paper clips makes a fairer test.
  3. Confirm the result: The correct choice is Change only the number of coils and count how many paper clips are lifted..

Changing one variable and measuring the number of paper clips makes a fairer test.

10. QuestionMultiple choice

Which result supports the claim that more coils strengthen an electromagnet?

Please select an answer first.

Correct answer: B

The correct answer is A coil with 20 turns lifts 10 paper clips, while a coil with 10 turns lifts 4..

  1. Identify the system: Look for a complete circuit, a conducting path, a magnet, or a magnetic force.
  2. Apply the rule: The measured comparison shows the coil with more turns lifting more clips.
  3. Confirm the result: The correct choice is A coil with 20 turns lifts 10 paper clips, while a coil with 10 turns lifts 4..

The measured comparison shows the coil with more turns lifting more clips.

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Frequently asked questions about Grade 4 Electricity and Magnetism

What is a closed circuit?

A closed circuit is a complete conducting path that allows electric current to travel from the energy source and back.

What is an electromagnet?

An electromagnet is a magnet made by running electric current through a coil of wire, often around an iron core.

How many questions are on this page?

The page includes five mini tests with 10 questions each, for 50 Grade 4 Electricity and Magnetism questions in total.