Y8: Magnetic Fields + Electromagnets

• Physics
• Lower Secondary (Key Stage 3)

Y8: Magnetic Fields + Electromagnets

Contact Forces

Non-contact Forces

Friction

Thrust

Weight

Gravity

Drag

Magnetism

Tension

Air resistance

Electrostatic

Upthrust

A North pole and a North pole will...

1. Attract
2. Repel

A North pole and a South pole will...

1. Attract
2. Repel

Magnetic field lines always run from North to South.

1. True
2. False

Where is a magnetic field strongest? How can you tell on a diagram?

Label the poles.

North

South

Label the poles.

North

South

Label the poles.

North

South

Label the poles.

North

South

North

South

Where is the magnetic field strongest?

Where is the magnetic field strongest?

Where is the magnetic field strongest?

Where is the magnetic field weakest?

Where is the magnetic field weakest?

Where is the magnetic field weakest?

Where will the current be strongest?

What would happen if the direction of the current was reversed?

Which letter shows a solenoid?

1. A
2. B
3. C
4. D

Which image correctly shows the magnetic field when the current is on?

1. A
2. B
3. C
4. D

Which image correctly shows the magnetic field when the current is off?

1. A
2. B
3. C
4. D

Which electromagnetic field will be the strongest?

1. A
2. B
3. C
4. D

Which electromagnet will be the strongest?

1. A
2. B
3. C
4. D

Which electromagnetic field will be the weakest?

1. A
2. B
3. C
4. D

Which electromagnetic field will be the strongest?

1. A
2. B
3. C
4. D

Give 3 ways to increase the strength of an electromagnet.