Magnets Quiz

What are the two main types of magnets?

• Permanent magnets and electromagnets

• Metal magnets and Plastic magnets

• North magnets and South magnets

• Positive magnets and Negative magnets

Which type of magnet is made from a material that is easily magnetized and retains its magnetism?

• Electromagnet

• Temporary magnet

• Non-magnetic material

• Permanent magnet

What are the two types of magnetic poles?

• North pole and South pole

• Positive pole and Negative pole

• Top pole and Bottom pole

• East pole and West pole

What happens when like poles of two magnets are brought close to each other?

• Create a magnetic field

• Repel

• Nothing happens

• Attract

What is a magnetic field?

• The force of gravity between two objects

• A region around a magnetic material or a moving electric charge within which the force of magnetism acts.

• A type of metal used in construction

• The sound made by a ringing bell

How does the Earth's magnetic field affect a compass?

• It causes the compass needle to align with the north-south direction.

• It has no effect on the compass.

• It causes the compass needle to point towards the ground.

• It makes the compass needle spin in circles.

Name two common uses of magnets.

• 3. Magnetic shoes

• 5. Magnetic hairbrush

• 4. Magnetic toothbrush

• 1. Refrigerator magnets 2. Magnetic compass

How can an electromagnet be turned on and off?

• Using a permanent magnet

• Controlling the flow of electric current through the coil of wire

• Increasing the temperature of the coil

• Adding more turns to the coil

What is the main difference between a regular magnet and an electromagnet?

• A regular magnet can attract non-metal objects

• A regular magnet is made of copper

• An electromagnet has a magnetic field that is created by electric current.

• A regular magnet is powered by batteries

What are two examples of devices that use electromagnets?

• Microwaves and dishwashers

• Bicycles and televisions

• Refrigerators and toasters

• Electric motors and MRI machines