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

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

Practice measurement using centimeters in this fun math race designed for your second grade student!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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

Introduce your child to science with something they see everyday--their shadow!

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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.