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.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

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!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

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.

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

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!

Discover whether a metal will expand under hot water.

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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

Children use their design thinking skills and powers of observation to create and construct a bird nest.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.