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What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Explore whether pianists have the tendency to type faster than non-pianists.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

This science project investigates the influence of different genres of movies on appetite.

Help your kindergarten science maven explore the water cycle without getting everything wet.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

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

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This project determines what category of person is most likely to be ticklish.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This project explores whether music affects the growth and health of plants.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project examines what types of objects burn and which burn faster and cleaner.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.