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

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

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

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.