Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

This science fair project idea investigates how images are influenced by changes in light.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

Test the idea that people who wear glasses tend to be more educated. True or false?

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

This science fair project idea investigates whether plants can survive being frozen.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Find out whether matte or shiny nail polish lasts longer.

Science fair project that cultivates slime mold and monitors the stages of its development.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!