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

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

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

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!

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

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

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.

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