What property of magnets allows them to pull certain materials towards them?

Magnetism

Fill in the blank: Materials that magnets can pull are called ______.

Magnetic materials

True or False: All magnets have only one pole.

False. All magnets possess both a north pole and a south pole.

What is the strongest part of a magnet where the magnetic force is greatest?

The poles

Riddle: I can attract iron, but I am not alive. I have two ends that are poles. What am I?

A magnet

Which of the following is a non-magnetic material? A) Iron B) Copper C) Nickel D) Cobalt

B) Copper

Fill in the blank: The area around a magnet where it can exert its force is called ______.

Magnetic field

True or False: The magnetic field can be seen with the naked eye.

False. The magnetic field cannot be seen, but its effects can be felt.

What happens when two magnets with like poles are brought close together?

They repel each other.

Riddle: I am a tiny tool that helps you find directions, with a needle that points north. What am I?

A magnetic compass

Fill in the blank: The process of converting a piece of iron into a magnet is called ______.

Magnetisation

What method uses a bar magnet to magnetize an iron bar by moving it in one direction?

Single touch method

True or False: Electromagnets retain their magnetism permanently.

False. Electromagnets are temporary magnets that lose their magnetism when the current is turned off.

What is the effect when a magnet is heated to a very high temperature?

It loses its magnetism.

Riddle: I am a device that creates magnetism with electricity, but only when the current flows. What am I?

An electromagnet

Which of the following methods is NOT used for magnetization? A) Single touch method B) Magnetic induction C) Electromagnetic induction D) Electrical method

C) Electromagnetic induction

Fill in the blank: The line joining the geographical north pole to the geographical south pole is called the ______.

Geographical axis

True or False: The Earth's magnetic north pole is located near the geographical north pole.

False. The Earth's magnetic north pole is near the geographical south pole.

What can be used to store the magnetic properties of permanent magnets for a longer time?

Magnetic keepers

Riddle: I am made from materials like iron and cobalt, but I am not naturally occurring. What am I?

An artificial magnet

What happens to the magnetic lines of force when they are close together?

The magnetic field is strong.

Fill in the blank: The phenomenon of a magnet weakening over time is called ______.

Self-demagnetisation

True or False: Magnetic lines of force can intersect each other.

False. Two magnetic lines of force never cross each other.

What is the name of the method where two bar magnets are used to magnetize an iron bar by touching opposite poles to its center?

Double touch method

Which type of magnet is used in devices like electric bells and generators?

Electromagnet

Fill in the blank: The force exerted by a magnet on magnetic substances is called ______.

Magnetic force

Riddle: I'm a magnet that works only when I'm plugged in, and I can attract like a regular magnet. What am I?

An electromagnet

What effect does dropping a magnet on a hard surface have on its magnetism?

It can cause demagnetisation.

Fill in the blank: The process of losing magnetism due to rough handling is called ______.

Demagnetisation

True or False: Permanent magnets can change their strength and polarity.

False. The strength and polarity of a permanent magnet cannot be changed.

What are the two ends of a magnet called?

North pole and South pole

Fill in the blank: The area around a magnet where it can pull things is called its ______.

Magnetic field

True or False: A north pole of a magnet will attract another north pole.

False. Like poles repel each other.

Riddle: I am a device that helps sailors find their way by always pointing north. What am I?

A magnetic compass

Which of the following is a magnetic material? A) Wood B) Aluminum C) Iron D) Rubber

C) Iron