All STEM Activities

How to Harvest Water from Fog

Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Physics, state of matter

Introduction

How long do you think you could survive without drinking any water? Only three to four days! Your body needs water to function properly. We also rely on water for cooking, cleaning and many other activities. You might not think about getting enough water if you can get it easily by turning on your faucet. But what about areas that don't have a reliable water supply? In this activity you will learn about one creative way to collect water—from the air!

Credits

Svenja Lohner, PhD, Science Buddies
This activity was inspired by a lesson from the Peace Corps on harvesting water from fog.
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Work area that can get wet
  • Pantyhose
  • Wire coat hanger
  • Tape
  • Clear drinking glass, cup or jar
  • Sand
  • Refillable spray bottle
  • Water
  • Paper
  • Pen or pencil
  • Scale
  • Humidifier (optional)
  • Various other mesh materials (optional)
    Materials needed for fog catcher science activity

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Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Physics, state of matter