Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

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

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

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

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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Do you think heat can affect a plant's growth rate?

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

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

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

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

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

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

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 fair project idea explores the different properties & interactions of sugar molecules.

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

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

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

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

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