Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

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

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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.

Test whether plants can grow without sunlight and water.

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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.

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

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

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

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

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea demonstrates that plants give off water.

Do different types of oil mix or stack? Find out in this science fair project idea!

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 classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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