Water Cycle in a Bag: Evaporation and Precipitation Science
Overview
Demonstrates complete water cycle in miniature. Shows three states of water transformation.
Why Do This Experiment?
This experiment teaches key concepts in Earth Science.
Materials Needed
- •Large ziplock bag(1)
- •100ml water(1)
- •blue food coloring(1)
- •permanent marker(1)
- •tape(1)
Step-by-Step Instructions
- 1
1. Add water and blue coloring to bag
- 2
2. Seal and draw sun, clouds, rain on outside
- 3
3. Tape to sunny window
- 4
4. Observe evaporation (water droplets), condensation (clouds), precipitation (drops falling) over 3-5 days
The Science Behind It
Demonstrates complete water cycle in miniature. Shows three states of water transformation.
Learning Outcomes
- ✓Understand basic earth science concepts
- ✓Develop observation skills
- ✓Learn through hands-on experimentation
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