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 idea creates an underwater habitat and explores the basic needs of living things under water.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

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

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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.

This experiment tests which gender is better at catching how a magician performs his tricks.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

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

In this science fair project, students investigate how different colors influence appetite.

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

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Construct batteries that make electricity from fruits with this fun science fair project.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.