1) Electricity is a form of a) Energy b) Light c) Fossil fuel d) Atoms 2) Electrons have a _____________charge a) positive b) upside down c) negative d) backward 3) A Van de Graaff generator can show a) music b) static c) comics d) topic 4) What happens when the lamp and cell are connected? a) It blows up b) The wires melt c) Nothing d) The lamp lights 5) Where does the energy come from in this circuit? a) The lamp b) The wires c) The cell d) Magic




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Otomatik olarak kaydedilen geri yüklensin mi: ?