Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This simple experiment serves as an introduction to the greenhouse effect.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

Practice conversions within the metric system in this fun math card game for third graders.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.