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

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

This science fair project will investigate a type of sustainable development project.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project outlines the uses of gold and explores the monetary value of gold.

This science fair project idea investigates how images are influenced by changes in light.

In this project, a basketball containing different psi is dropped to see how well it bounces.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.