1) What should we do with the things that have damaged wires ? a) put the things in the water. b) ask someone to fix the wires. c) plug the wires in to the electric socket. 2) What should you do if you see a lit bulb ? a) check and touch it. b) stay close to it so you will be warmed. c) don’t be too close to it and don’t touch it. 3) A path for electricity to flow is provided by a .... a) cell b) circuit c) battery 4) The function of the batteries in a circuit is .... a) pushing electricity around the circuit. b) connecting the parts of the circuit. c) opening or closing the circuit. 5) The buzzer in the picture can not make sound because … a) the wire is too long. b) the wire is damaged/broken. c) the wire is not connected to the battery. 6) The bulb in the flashlight does not light up because … a) the position of the batteries is not correct. b) the position of the bulb is not correct. c) the flashlight needs more batteries. 7) The circuit can not make the bulb light up because … a) there are too many wires b) there is a wire that is not connected to the battery. c) there should be one more battery for this circuit. 8) The thing that uses electricity from the mains is ... a) alarm clock b) handphone c) television 9) This thing uses electricity from ... a) batteries. b) mains. c) sunlight. 10) This gadget uses electricity to ... a) light up and make sounds. b) move around. c) heat things up.

Science

인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?