1) What is the greenhouse effect? a) It means that toxic gases trap the heat and the Earth becomes hotter and hotter. b) It means that people cut down trees. 2) Where does carbon dioxide come from? a) It comes from garbage and cows' poop. b) It comes from the smoke of cars, factories and deforestation. 3) Where does nitrous oxide come from? a) It comes from the use of fertilizers and compost. b) It comes from cleaning products. 4) Is this true or false? Aerosols contamite the planet. a) True b) False 5) What is a drought? a) It's when the level of water is high and the cities are covered with water. b) It's when it's stops raining for a long time and water becomes scarce. 6) Is this true of false? Due to Global Warming, we have hotter summers and colder winters. a) TRUE b) FALSE 7) What is happening in this picture? a) The ice is melting because of Global Warming. b) There is a drought. 8) How many renewable energies do we know? Can you name them? a) Three b) Four 9) What can we do to reduce carbon dioxide? a) We can use our bikes or walk. b) We can use a plastic bottle. 10) What do the three R's mean? a) Reduce, reuse and recycle. b) Reduce, reuse and repeat. 11) Mention three other things that we can do to protect our planet. a) Sts' own answers. b) Sts' answers.

Global Warming

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