This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Learn whether writing things down really makes things easier to remember.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea determines if the color of light affects the growth of plants.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project teaches students the differences between fruits and vegetables.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project teaches students to classify different shapes of leaves.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.