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.

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!

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

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

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

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

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.

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

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

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.