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Demonstrate how to tell the age of an egg without having to crack it open.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project idea examines which type of insulation holds in the most heat.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

Make sourdough bread...and learn some colonial history and modern science in the process!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

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

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project idea explores the different properties & interactions of sugar molecules.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.