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

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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!

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Learn all about balance and motion as your child designs a corn maze!

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

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.

Kids of all ages will delight in making these jumbo "cupcake" crayons from all of the broken crayon stubs that seem to pile up around the house.

Many of the world's most important historical documents were written with quill pens. Have your kid make his own quill pen and put his penmanship to the test!

These little monsters made from balloons and flour are silly and fun and best of all, easy for preschoolers to make.

In the spirit of Seuss and all things creative and silly, celebrate reading and all that it has to offer with this fun and interactive story box.

Ombre art is all the rage. Help your young artist learn all about tints and shades while creating a piece of art to celebrate Valentine's Day.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Valentine's Day means an avalanche of cards and candy, but where to put them all? This is the perfect solution to help your kid keep track of all his goodies.

What do a pool, a raft and a golf club have in common? They are all integral ingredients in the fun game of Aqua Golf, a great activity for kids of all ages.

Your kids will love this tradition of finding a leprechaun's gold hidden all over.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

I scream, you scream, we all scream for homemade spearmint ice cream!

This is a simple, nutritious food kids love for snacks and lunches all year.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.