In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea determines the most effective method of preserving food.

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

This science fair project idea explores which fruit molds the fastest.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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 which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.