Examine how a battery can be made from everyday materials.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This science fair project idea discovers the effect of (high) heat on animal cells.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

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

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Determine whether the application of Febreeze will lower the bacterial count.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This experiment will explore the possibility of creating an infinite object by hand.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea demonstrates the process of land erosion.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.