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

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!

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