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Lesson Plans

WATER USE AND CONSERVATION
Grade Level: 7-10, can be adapted for elementary grades by summarizing simple facts in the article and shortening the survey to 3 days.
Subject: Environmental Science
Time Allotment: three 45-minute class periods, one week for home observations

Only about three percent of the world's water is available for drinking. As the world's population increases, more and more people need this natural resource. However, like all natural resources, there is not an infinite supply of water. In this investigation, students learn what it means to conserve water. Using an H2O Diary, students will monitor their family's water use and propose methods for home water conservation.



LEARNING OBJECTIVES


Students will be able to
  • Define vocabulary related to water conservation

  • Summarize why not all the Earth's water is drinkable

  • Discuss the different types of water on Earth

  • Examine and calculate personal water use

  • Formulate a personal water conservation plan

  • Evaluate the effectiveness of water conservation plan

MATERIALS


  • Science Journal

  • 3-5-gallon aquarium

  • 3 gallons of water

  • Measuring cup (24-ounce)

  • Green food coloring

  • Two 6-ounce see-through containers

  • Eye-dropper

  • Sand

HANDOUTS


BOOKMARK THE FOLLOWING SITES


ACADEMIC STANDARDS
http://www.mcrel.org/compendium/browse.asp


  • Science, Standard 1, Levels II, III, and IV
    Understands atmospheric processes and the water cycle.

  • Science, Standard 2, Level II
    Understands Earth's composition and structure.

  • Science, Standard 12, Levels III and IV
    Understands the nature of scientific inquiry.

  • Thinking and Reasoning, Standard 1, Level IV
    Understands and applies the basic principles of presenting an argument.

  • Thinking and Reasoning, Standard 4, Levels III and IV
    Understands and applies basic principles of hypothesis testing and scientific inquiry.

  • Thinking and Reasoning, Standard 5, Levels III and IV
    Applies basic trouble-shooting and problem-solving techniques.



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