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

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

This science fair project idea studies past and current fads and trends.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Explore the belief in astrology as a predictive system.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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

Learn with makes water molecules work with this fun and easy science activity!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.