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Unformatted text preview: KCL/PENTECH/WCED 2000 Day length Plants making food 1. Joe lives for basketball. He plays basketball every morning. He eats breakfast after playing, then goes to school. His mum says he needs the energy the food provides. At school he wrote down the food he had for breakfast. With the help of his teacher, he wrote down where the food came from. Here is what he wrote. Milk Butter Cow Grass Sun Egg Chicken Corn Sun Bread Wheat Sun EXPLAIN in your own words where the energy Joe uses comes from. KCL/PENTECH/WCED 2000 Day length Plants making food 2. Joe is still confused about how plants make food. Joes teacher says food with sugar and starch gives you a lot of energy. She shows Joe an experiment to test for starch. 2 3 4 5 6 1 30 seconds yellow iodine solution warm water DESCRIBE in your own words how to carry out the experiment. boiling water green plant green leaf white leaf 3 minutes 30 seconds leaf turns black hot alcohol in tube boiling water in beaker KCL/PENTECH/WCED 2000...
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- Winter '08