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.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea explores the egg's thin membrane.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.