This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Test out various brands of permanent markers to see which one is least water soluble.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This project investigates the affect of storage temperature on microwave popcorn.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

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

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

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.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.