Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

This pyramid card game is a fun way to help your child learn addition and subtraction. Best of all, itâs quick to set up and easy to play.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science fair project idea identifies clouds as a means of predicting the weather.