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.

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

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

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

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 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.

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.