1) What natural phenomenon produces energy? a) Temperature b) Lightning c) The Earth 2) What is a magnet? a) a magnet is any object which has a positive force b) a magnet is any object which has an electral force c) A magnet is any object which has a magnetic force 3) What are examples of non-magnetic objects? a) scissors, spoon, building block b) comb, balloons, cork c) ballons, knife, book 4) A battery has..... a) Three sides (positive, negative, neutral) b) Two sides (positive , negative) c) No sides 5) Magnets can attract... a) Monitors b) Papers c) Tissues 6) Magnets don´t attract a purse a) True b) False 7) The Earth is a huge magnet. a) True b) False 8) Needles, washers and nut are magnetics objects. a) True b) False 9) Wood,nails and a glass jar are non-magnetics objects a) True b) False 10) What is a natural phenomenon a) It´s a natural source of protons b) It´s a powerful source of energy c) It´s a natural source of light

Electromagnetism B5

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