In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

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

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

In this project, a mnemonic is used to test how it increases memory.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Check out this cool science fair project on identifying rocks and minerals for kids.

Find out whether matte or shiny nail polish lasts longer.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.