Magnets and Magnetism

What is a temporary magnet?

• A material that has been magnetized but cannot hold its magnetism for long.

• A permanent magnet that retains its magnetism indefinitely.

• A type of magnet that is always magnetic regardless of external factors.

• A magnet that can only be used in high-temperature environments.

What happens when you cut a magnet in half?

• You create two smaller magnets, each with a North and South pole.

• You create a single larger magnet.

• The magnet loses its magnetic properties entirely.

• The magnet becomes a non-magnetic material.

What are the three types of magnets?

• Temporary, permanent, and electromagnet.

• Natural, synthetic, and magnetic field.

• Hard, soft, and superconducting.

• Static, dynamic, and rotating.

What is magnetism?

• A force that can attract or repel certain materials, primarily metals.

• A type of energy that can be harnessed for electricity.

• A phenomenon that occurs only in certain geographical locations.

• A method of communication using magnetic fields.

What materials are typically magnetic?

• Copper, silver, and gold.

• Iron, nickel, and cobalt.

• Aluminum, lead, and zinc.

• Tin, brass, and bronze.

What two poles of a magnet attract each other?

• North and South

• East and West

• North and North

• South and South

What is the difference between magnetic and nonmagnetic materials?

• Magnetic materials can be attracted by magnets, while nonmagnetic materials cannot.

• Magnetic materials are always made of iron, while nonmagnetic materials are not.

• Magnetic materials can conduct electricity, while nonmagnetic materials cannot.

• Magnetic materials are heavier than nonmagnetic materials.

What is an electromagnet?

• A type of magnet that is always magnetic.

• A type of magnet where the magnetic field is produced by an electric current.

• A permanent magnet made from iron.

• A magnet that can only be used in high temperatures.

What is the magnetic field?

• The area around a magnet where magnetic forces can be felt.

• A type of energy that can be seen with the naked eye.

• The force that causes objects to float in the air.

• A region where electric charges are stored.

Which of the following is nonmagnetic?

• Glass

• Iron

• Nickel

• Cobalt