PSLE Science: Magnets Quiz

What is the main topic discussed in this video?

• Electricity

• Magnets

• Plants

• Water Cycle

What happens when unlike poles of two magnets face each other?

• They repel

• They attract

• They float

• They become non-magnetic

Which material is mentioned as non-magnetic in the video?

• Copper

• Plastic

• Iron

• Steel

Can a plastic ring float over a magnet?

• Yes, if it is repelled

• No, because it is non-magnetic

• Yes, because it is light

• No, because it is too heavy

What must be true for magnets to repel each other?

• They must be different sizes

• They must have like poles facing each other

• They must be placed in water

• They must be made of different materials

In the examination question, which option is possible if the plastic ring is at the bottom?

• The plastic ring repels the magnets

• The magnets repel each other

• The magnets attract each other

• The plastic ring floats

Why can magnetism pass through non-magnetic materials?

• Because non-magnetic materials do not block magnetic fields

• Because magnetism is a strong force

• Because non-magnetic materials are invisible

• Because non-magnetic materials are magnetic

Which of the following is true about the floating magnet scenario?

• The magnets are attracting each other

• The magnets are repelling each other

• The plastic ring causes the magnet to float

• The plastic ring is magnetic

What is the correct answer to the examination question discussed in the video?

• Option B only

• Options A and C

• Options B and D

• Option A only

What should you remember about magnets and non-magnetic materials?

• Non-magnetic materials can become magnetic

• Magnetism can pass through non-magnetic materials

• Non-magnetic materials can repel magnets

• Magnets can float on non-magnetic materials