![]() Try to find out what people already know about it. Measure the rainfall during one storm or over several days.ĭemonstrate why the equator is warmer than other parts of Earth (unequal heating of Earth's surface) using a flashlight, graph paper, a ruler, and masking tape.Ĭompare the freezing point of fresh water with the freezing point of seawater or salt water, with varying amounts of salt. Or use a different, but well-controlled method of comparison. Investigate the greenhouse effect outdoors, over one week using two thermometers, two shallow open boxes lined with soil, with one covered tightly with clear plastic wrap, and a notebook for taking temperature readings through the day and night. (Test lemon juice or vinegar, for example.)ĭemonstrate how Earth's water cycle creates fresh drinking water from sea water. Test the effect of a mild acid on sea shells. Ask a parent, teacher, or other adult to help you research the topic and find out how to do a science fair project about it. ![]()
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