Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

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.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

In this design challenge, your child will make a bottle rocket using typical household items.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Discover which method for odor removal words the best for stifling refrigerator odors.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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.

This activity is a fun challenge for students who have just started learning to program educational robots.

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

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.”

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

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 middle school project examines the strength of horizontal versus vertical pointing eggshells.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

This science fair project teaches students about wilting and browning of salad greens.

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.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.