1) Where does the energy come from which keeps the Earth warm? a) the Sun b) the Moon c) the sea 2) What effect traps the heat next to the Earth? a) the refrigeration effect b) the greenhouse effect c) the hothouse effect 3) What traps the heat next to the Earth? a) rainforests b) the wind c) the greenhouse gases 4) What is the main man-made greenhouse gas? a) oxygen b) hydrogen c) carbon dioxide 5) What is the main way that carbon dioxide is made? a) when it rains b) when fuel is burnt c) when there's a hurricane 6) What might happen if there is too much carbon dioxide in the atmosphere? a) the temperature on Earth may go up so there will be global warming b) the temperature on Earth may go down so there will be global cooling c) the oceans may dry up so there will be global drying 7) Renewable sources of energy like solar and wind power a) can use coal, oil or gas b) don't use coal, oil or gas c) only use nuclear fuels 8) Which of these are the best ways to stop global warming around the house? a) open a window and turn up the thermostat b) turn off the television when you're not watching it and turn down the thermostat c) boil a full kettle for one cup of tea and leave the taps running 9) Which of these are the best way to stop global warming around your school? a) leave computers and lights on when you leave a room b) only use one side of your paper and leave litter around the playground c) recycle rubbish and use energy efficient light bulbs 10) Which of the following is true? a) it's too late to stop global warming b) only politicians can make a difference to global warming c) everyone can do their bit to help stop global warming

GLOBAL WARMING

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