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

Determine whether the application of Febreeze will lower the bacterial count.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

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.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Get your child excited about measuring with this fun and easy household measurements activity.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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

Determine which metal has the highest rate of conductivity.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project that creates fog using bottles of hot and cold water.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Examine the connection between temperature and chemiluminescence.