Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

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

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

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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

In this experiment, your middle schooler will chart the effects of oil on a feather in order to grasp the tragic effects of oil spills on wildlife.

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

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

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