Find out whether packaged seeds actually do expire in this new science fair project idea.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

Demonstrate how to tell the age of an egg without having to crack it open.

Find out whether putting something on top of a plant will inhibit its growth.

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.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Test whether plants can grow without sunlight and water.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science project allows students to study the psychology of happiness.

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

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.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea investigates how color affects temperature.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The objective of this science project is to determine the length of time for different seeds to germinate.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.