Try this fun addition game with your second grader! Arrange playing cards to find the largest possible sums.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

Thanksgiving placemats are a great craft for your kid, and a beautiful addition to the dinner table. Make Thanksgiving placemats with your kid for the holiday.

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!