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Earth's Water: A Drop in Your Cup

Source Institutions

    California Academy of Sciences

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Earth's Water: A Drop in Your Cup

This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resource. Also, learners may brainstorm ideas to increase the usage of untapped water resources in their local area. Included in this lesson plan are key vocabulary words and resources for educators. This lesson plan is standards-based.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 6 - 14

Resource Types:
Activity, Demonstration, Lesson/Lesson Plan, Model


Materials List (per group of students)

  • a vessel capable of measuring 1 liter of water (beaker, graduated container, etc.)
  • graduated cylinders (in milliliter increments)
  • eye-droppers
  • kool-Aid or Tang drink mix that is colored
  • water


  • Earth and Space Science
    • Earth Structure
      • Oceans and Water
  • Life Sciences
    • Ecology
      • Human Impact
  • Mathematics
    • Measurement
      • Units of Measurement
    • Number and Operations
      • Decimals
      • Fractions
    • Problem Solving
    • Representation
  • The Nature of Technology
    • Technology and Society
      • Impacts of Technology
      • Technology and the Environment
    • The Design Process
      • Problem Solving

Informal Categories

  • Nature and Environment


To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Uses STEM to solve real-world problems
  • Involves hands-on or lab activities


Components that are part of this resource:

Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access



  • All Rights Reserved, California Academy of Sciences, ©2008


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