Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

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

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.

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.”

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

In this project students experiment with making music using only glasses of water.

This science fair project idea determines the most effective method of preserving food.

Find out whether packaged seeds actually do expire in this new science fair project idea.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

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

This science fair project idea determines if the color of light affects the growth of plants.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This project investigates the affect of storage temperature on microwave popcorn.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.