1) Q1. Which materials are magnetic? a) Iron, nickel, cobalt  b) Rubber, wood, plastic c) Glass, aluminium, gold d) water, cardboard, gold 2) Q2. What happens when two North poles are pushed together? a) They attract b) They repel  c) Nothing happens d) They bounce 3) Q3. Which setup will create an electromagnet? a) Paperclip + magnet b) Nail + copper wire + battery c) Plastic rod + string d) Magnet + Plastic rod 4) Q4. How can you make an electromagnet stronger? a) Use fewer coils b) Add more iron c) Add more coils around the nail d) Add salt 5) Q5. What provides energy for an electromagnet? a) Water b) Battery c) Cement d) Soil

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