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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This science fair project idea investigates how the shape of an object affects drag.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project teaches students the differences between fruits and vegetables.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Learn how different types of soil affect how animal tracks form in this experiment!

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?