This project uses toy cars to determine how friction and gravity affect cars and braking.

This science fair project idea produces sounds by creating vibrations using different objects.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This project involves the development of a website using free software online to promote the value of science.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

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!

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

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

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.