In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Here's a pressed leaf card project that puts science and writing together for your second grader.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.