Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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.

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.”

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

Have your child kick off their summer vacation by making a miniature water slide!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

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.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

In this experiment we will be determining whether birds prefer certain colors of seed.