Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Test your skills as a weather forecaster, and learn some science terms on the way!

In this science fair project, students make their own rain gauge to measure rainfall.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Here's a guide to starting a community clean-up project from scratch.