This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This science fair project idea determines what household items are good conductors of electricity.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea examines the reason boats are shaped and engineered.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea determines what household items are good conductors of electricity.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Cleaning can be a chore, but not with this sudsy experiment!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Do you think heat can affect a plant's growth rate?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.