Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

This science project has students study the idea of human beauty.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

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

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

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.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.