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.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

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?

This science fair project idea examines the reason boats are shaped and engineered.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

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.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

This activity is a fun challenge for students who have just started learning to program educational robots.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Discover whether a metal will expand under hot water.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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 causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This biodiversity project examines the biodiversity in your own backyard.

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

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

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.