Showing Results for three digit using

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!

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.

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

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

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

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.

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.