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Science Unit - The Hydrosphere (/Online)
by Steven D. Wall, M.A., Katie Durgin-Bruce, M.A.
In this online unit, you will investigate the properties and importance of water found throughout the Earth. Through reading, critical thinking, and hands-on activities, you will develop your understanding of the Earth's water, its traits, its distribution, and its importance to all living things.
You will also learn about pollution and be challenged to consider what you can do to conserve water and protect water quality.