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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This project explores ways to prevent static electrical shocks.

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

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.