This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

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

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

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.

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.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

This surprisingly good glue recipe comes from common kitchen items.