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Sustainability Lesson Clearinghouse

Rain Machine

Lesson Description:
Working in groups, students build simple solar stills filled with salt water and observe what happens when the stills are placed in the sun. The students then taste the water they have collected and discuss what has happened in their stills.
Lesson Type:
  • Group Work
  • Project

Sustainability Topic:
  • Ecosystems
  • Energy
  • Water

GEF Program Category:
  • Sustainable Water Challenge

Time Needed:
1 hour
Standards Addressed:
National Standards: K-4
  • PRI-A: 1.b. Plan and conduct a simple investigation.
  • PRI-B: 1.c. Materials can exist in different states-solid, liquid, and gas. some common materials, such as water, can be changed from one state to another by heating or cooling.

Materials Needed:
  • handout included
  • bowl (one per group)
  • plastic cup
  • 2-3" shorter than sides of bowl or cut to size (one per group)
  • clear plastic food wrap 
  • tape or rubber band large enough to go around bowl (one per group)
  • small rock or weight (one per group)
  • salty water 

School or Group:
Florida Solar Energy Center
Contact Email:
service@greeneducationfoundation.org
Lesson Documents:
application/pdf solar_rainmachine.pdf
Located in: Science

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