1) What is a magnet a) A material that always repels iron b) A material that produces a magnetic field c) A material that only attracts non matels d) A material that only works in cold places 2) what are the two poles of magnet called ? a) North and South   b) East and west c) Top and bottom d) Positive and negative  3) What happens when the North Pole of one magnet is brought close to south of another magnet ? a) They repel each other b) Nothing happens c) They lose magnetism d) They attract each other 4) Which Materials is magnetic a) Wood b) plastic  c) Iron d) Glass 5) How can you make an electromagnet stronger a) Use fewer coils in the wire b) Decrease the current c) Increase the current and add more coils d) Use plastic core instead of iron  6) What kind of core is best for making an electromagnet a) Soft iron b) plastic c) wood d) glass 7) What is the region around a magnet where its force can be felt called a) Pressure Zone b) Thermal Zone c) Electric field d) Magnetic Field 8) What of the following is a use of electromagnets ? a) Paper clips on a fridge b) ceramic mugs c) wooden doors d) Speakers and radios 9) What happens to an electromagnet when the electric current is switched off a) It becomes a permanent magnet b) It loses its magnetism c) it’s explodes d) it’s poles swap places 10) If you had to describe an electromagnet in one word which one would it be a) Permanent  b) Electric c) Hot d) water

Spin the wheel -Electic circuits & Electromagnets grade 7

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