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!

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!

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.