Unit3 Lesson1

Question 1

What is Magnetsim?

Answer 1

• Magnetism is a force created by magnets.
• Magnetsim is also called magnetic force.
• Only magnets produce magnetic force.

Question 2

What is Magnetic force?

Answer 2

• Magnetic force is invisible and can be felt by objects around or near a magnet.
• Magnetic force attracts or repels other objects or magnets.

Question 3

What is magnet?

Answer 3

• A magnet is an object that produces magnetic force. They are typically made of iron and attract iron.
• Most magnets are made of iron, nickel or cobalt. However, not all iron, nickel or cobalt objects produce magnetic force.
• Magnets can be straight/rectangular, horseshoe-shaped, disk-shaped, rings or cylinders.