Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

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.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

This science fair project idea identifies clouds as a means of predicting the weather.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea examines which type of insulation holds in the most heat.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Science fair project in which you will start a fire from scratch without using matches or a lighter.