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WorksheetsTNST7412 POE Part 2.1
Total questions: 10
Worksheet time: 5mins
1. Which material is magnetic
Plastic
Iron
Wood
Rubber
What are the two poles of a magnet?
Left and right
Hot and cold
North and South
Positive and negative
Which statement is True about permanent magnets?
They only work when electricity is present
They lose magnetism after one hour
They are always magnetic
They can never attract metals
What is needed for an electromagnet to work?
Sunlight
Heat
Electricity
Water
What happens when you turn off the switch in an electromagnet circuit?
It becomes stronger`
Nothing changes
It stops being magnetic
It becomes a permanent magnet
Which change will make an electromagnet stronger?
Fewer coils
Using a plastic core
Using a weaker battery
Adding more coils around the iron nail
Which of the following is a use of electromagnets?
Paper printing
Lifting cars in scrapyards
Freezing food
Digging soil
Which material makes the best core for an electromagnet?
Plastic rod
Iron nail
Wooden stick
Aluminium tube
What happens to a magnet if you bring two north poles together?
They attract
They repel
They melt
They break
Which statement correctly describes a magnetic field?
A visible circle around a magnet
A region where magnetic forces can be felt
A type of electricity
A chemical reaction
