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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This project determines what category of person is most likely to be ticklish.

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.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

This project examines whether people's taste perception is influenced by what they see.

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

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this science fair project, young children notice and track changes in trees throughout the year.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

In this project children practice the scientific method while playing with puffy paint.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!