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There are three states of matter: gas, liquid, and solid. Water in our atmosphere exists in these three states constantly. As the temperature of water vapor (a gas) decreases, it will reach the point at which it turns into a liquid (called the dew point or the point at which dew forms). This change...
Grade Level   3 4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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Explore an ocean's-worth of information related to our efforts to protect and restore the nation's waters from pollution. You'll find experiments and activities for elementary school students and life-long learners alike. We hope the information here helps inspire you and others to further...
Grade Level   K 1 2 3 4 5 6 7 8
Classroom Activities Curricula and Instruction
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