Water
© Alena Brozova.
Physical Science (hydrogen bond, polarity, solutions, mixtures, dissolving substances, properties of water, water cycle, precipitation, evaporation); Life Science (uses of water, water in food and in the body); Environmental Science and Health (serial dilution, chromatography, separations, pollution, point-source pollution)
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Why Is Water Important? (pre-assessment)
Lesson
Students take a pre-assessment to gauge their knowledge of the role and importance of water in their daily lives. Can be revisited as part of the post-assessment.
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What Makes Water Special?
Lesson
Students explore and compare the physical properties of water and oil.
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What Dissolves in Water?
Lesson
Students investigate whether several common substances are soluble in water.
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What Is the Water Cycle?
Lesson
In this lesson, students create and investigate a simple model of the water cycle.
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How Do We Use Water?
Lesson
To raise awareness of the different ways we use water, students keep a personal "Water Use Journal" for one day.
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How Much Water Is in a Fruit?
Lesson
Students investigate and compare the amount of water in an orange and an apple.
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How Much Water Do Humans Need?
Lesson
Students learn how much water is used and lost during a variety of common daily activities.
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What Is a One Part Per Million Solution?
Lesson
Students make a solution of food coloring that has a concentration of one part per million.
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How Can We Find Out What Is in Water?
Lesson
Students use simple paper chromatography to investigate a mystery liquid.
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Can Nutrients in Water Cause Harm?
Lesson
Students create pond water cultures and investigate the impacts of adding chemical or natural nutrients.
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Why Is Water So Important? (post-assessment)
Lesson
Students review points covered in this unit and reach conclusions regarding the importance of water to human health.