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

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

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.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

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?