Water Fences

Could you devise an experiment that measures the effect that wind has on evaporation? Ideally you would end up with a graph that shows how increased wind velocity leads to more water loss in a given period of time.

Subject: Science; Problem Solving
Topics:
- The Nature of Science and Technology
- Physics
- Use a Chart or Table
Grades: 5 - 9
Knowledge and Skills:
- Can create a chart for the collection of experimental results
- Can present experimental results clearly in written form
- Can design an experiment which isolates and evaluates the relationship between two variables
- Understands what factors contribute to rate of evaporation

Download Activity: Water Fences (PDF)

Science & Technology Movie:

Fish FarmingFish Farming

Good water for drinking and agriculture is becoming a precious commodity on our planet. Meet a couple of agricultural engineers who are making the water go the extra mile by getting two crops from one water source.
Running time 1:56 minutes.

Watch the Movie