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Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

This project uses toy cars to determine how friction and gravity affect cars and braking.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

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

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

This science fair project idea determines what household items are good conductors of electricity.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Find out whether matching resonant frequencies can cause objects to shatter.

Learn whether writing things down really makes things easier to remember.

Find out whether matte or shiny nail polish lasts longer.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

This science fair project idea produces varying pitches of sound.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Test the combustion of different types of woods.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.