Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

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

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.