Virginia Department of Education
Mystery Iron Ions
Young chemists perform an experiment to determine if a compound is iron (II) chloride or iron (III) chloride. Then they determine the formula, balance the equation, and answer analysis questions.
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Water Hardness- Causes and Testing
Eighth graders examine what materials cause water hardness and the relative measure of water hardness in a two part lab activity. In part one, 8th graders add an assigned soap test solution to eleven different test tube solutions in...
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Is Your Water Clean?
Students compare water quality of different sources. They test water samples for odor, phosphates, pH, bacteria, and dissolved solids. they fill out a data table and answer questions about their findings.
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Is Your Water Clean?
Students conduct tests of water samples from different sources, such as a local river, tap water, and an irrigation ditch. After determining which pollutants are present in each sample, students hypothesize the possible sources of the...
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Where's the Water?
Fifth graders conduct an investigation into water purification during a role play situation in an Amazon Rainforest. They design a scientific experiment for cleaning and filtering water.
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Analyze the Results
Students conduct water tests and sample macroinvertebrates from a nearby source to make a general determination about the overall quality of water. They use worksheets and analyze data as part of a larger unit.
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Save a Drop for Me
Learners discuss the meaning of philanthropy and how it applies to people caring about the water supply. In this water conservation lesson, students explore possible water conservation activities and select a project. Learners will...
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Nutrition: It's In Your Hands
Fourth graders use this lesson to focus on their health, nutrition and the state of the environment. In groups, they examine the various types of land, water and air pollutants and compare and contrast a food chain with and without a...