This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

In the mood for a bit of silly science? Help your child create a truly one-of-a-kind planter out of a potato head!

Evaluate the efficacy of different pain management techniques.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Evaluate gender differences in processing visual information.

Explore convex and concave objects and how they reflect light.

Find out which kind of bubble wrap fares best when put in impact.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.