This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This science fair project idea compares biodiversity between drops of water.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

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.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

This science fair project idea demonstrates how our fingers prune when in water.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

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!

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Aquariums are usually reserved for fish, but this aquarium will contain creatures from your child's imagination!

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Science fair project that explores the natural process of limestone formation.

If you find yourself with a pair of kids' rain boots too cute to toss and too worn to wear, try making this fun and easy planter.

This tactile activity helps kindergarteners learn about texture.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.