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

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

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.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea produces varying pitches of sound.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

In this project, a magnet is used to collect iron from breakfast cereals.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This science fair project examines how seeds hitchhike on animals and clothing.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.