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Water Earth's Most Unique Substance
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sciencephotographygallery.com
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sciencephotographygallery.com |
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Water, water, everywhere. Water comprises nearly three-quarters of our planet. Without water, there would not be life on Earth. In Physical Science, water is investigated at the molecular level. It changes states from a solid liquid or gas be adding or removing heat. In Life Science, water is the essential ingredient for life. Both plants and animals need it to live. In Earth Science, water is referred to as the hydrosphere. Water changes the shape of the earth in which we live. We must try to protect our water resources from pollution. Get familiar with some water terms by playing some of the activities. |
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