How well can people recall what they have observed. Test your knowledge in this fun experiment.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Take a dive into the candy jar with this yummy science experiment.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

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.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

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

Cleaning can be a chore, but not with this sudsy experiment!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Learn how different types of soil affect how animal tracks form in this experiment!

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.