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

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.

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.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

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 determines if the size of the parachute will change the rate at which an object falls.

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

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

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.