1) Which is true about energy? a) Energy is created by people. b) Energy is lost when not in use. c) Energy is the ability to do work. d) Energy come from human only. 2) Which is NOT a renewable energy soure? a) solar energy b) biomass c) wind power d) fossil fuels 3) Which are all examples of non-renewable energy source? a) gasoline, coal, biomass b) coal, fossil fuels, natural gas c) solar power, hydropower, coal d) hydropower, geothermal 4) Which object does not need electricity in order to work? a)  television b) light bulb c) refridgerator d) pencil 5) Who discover dynamo? a) Micheal Faraday b) Isaac Newton c) Albert Einstein d) Galileo Galilei 6) How long does the Earth spins around itself? a) 365 1/4 days b) 24 hours c) 1 month d) 12 hour 7) What would happen if there was no sun? a) All living things will die b) Plants will grow more c) Earth will be wamer d) Living things will be more … 8) What causes day and night? a) the movement of the Sun around itself b) the rotation of the Earth around its axis c) the rising and setting of the Moon d) the gravity of the Earth 9) Where do plants use the energy from the Sun a) for breathing b) to make food c) to get minerals from soil d) to get water from soil 10) Why do we put beddings and clothes out in the sun? a) to dry them b) to kill microbes c) to clean them d) A and C 11) Which statement is correct? a) The Sun is a planet b) We can see the Sun during day and night c) The Sun is our source of heat and light energy d) Daytime is 24 hours 12) In which direction does the earth spin? a) From north to west b) Counterclockwise c) From West to South d) clockwise

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