For an electrical appliance to work,______., charged particles must pass through it., moving air must pass through it., it must be plugged into an electrical socket., it must run on batteries, Geothermal energy uses heat energy from the ground to ______., Turn water into ice, turn steam into water, turn water into steam, turn steam into ice, What can we do to keep ourselves cool while conserving electricity?, Turn on the air conditioner, turn on the electric fan, Keep the door of the refrigerator open, Keep the door of the freezer open, Why are fossil fuels non-renewable sources of energy?, Fossil fuels take millions of years to form., Burning fossil fuels pollute the environment., We can get fossil fuels from the ground., Fossil fuels can be easily replaced., We conserve electricity so the _________., renewable energy sources will not be used up, fossil fuels con be replaced quickly, we burn less fossil fuels and reduce air pollution, We can build more power stations, How is wind energy similar to crude oil?, They are renewable sources of energy., They are non-renewable sources of energy., They can be used to produce electricity., They use steam to spin turbines to produce electricity., Where is electricity produced?, Geothermal power station, Fossil fuel power station, Hydroeletric power station, All of the above, Who are correct about fossil fuels?, Ann and Ben only, Ann and Chare only, Ben and Clare only, Ann,Ben and Clare, Which of the following helps to conserve electricity at home? , Keep the door of the refrigerator closed, Leave the house with the lights turned on, Turn of all the fan in the house on a windy day, Use hot water from electric heater to bathe on a hot day, Which of the following can be grouped under X?, Sun, River with water flowing continuously, Coal, Heat energy deep under the ground, What is similar among all the energy sources in the table?, They are renewable., They are non-renewable., They are used to produce electricity., They are obtained from the ground., Why is Chan not using electricity safely?, Chan is touching the plugs with his hands., Chan is using electrical appliances with exposed wires., Chan is overloading the electrical socket with too many plugs., Chan is removing the plugs without switching off the appliances., Which of the statements below are true?, We will never run out of coal., We can burn coal to produce electricity., Hydroelectric power stations use the energy of running water to produce electricity., Geothermal energy is obtained from the remains of animals., How is a power station similar to a wind farm?, They use turbines to turn the generator., They use fossil fuels to produce electricity., The electricity that they produce is carried through cables to homes and buildings., The weather affects the amount of electricity that they produce., What form of energy does the squashed spring have?, Kinetic energy, Electrical energy, Elastic potential energy, Gravitational potential energy, What type of energy has been converted when the box is opened?, Kinetic energy to sound energy, Elastic potential energy to light energy, Elastic potential energy to gravitational potential energy, Gravitational potential energy to elastic potential energy, Electricity is the ____, flow of water, flow of steam, flow of charged particles, flow of uncharged particles, What is the energy conversion at the hydroelectric power station?, Elastic potential energy to electrical energy, Sound energy to electrical energy, Chemical potential energy to electrical energy, Kinetic energy to electrical energy, Which of the following does not need electricity to work?, Fan, Bowl, Rice cooker, Hairdryer, Which type of following is not a type of fossil fuels ?, Coal, Natural gas, Crude oil, Geothermal eanergy.

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