In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Make a backbone model to explore human anatomy and life science.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

This project examines whether people's taste perception is influenced by what they see.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

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

This science fair project idea explores whether talking to a plant will help it grow.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This biodiversity project examines the biodiversity in your own backyard.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

Test whether plants can grow without sunlight and water.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Determine if gender affects the ability to identify different smells.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.