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.

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.

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.

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!

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

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 discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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

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

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science research project challenges students to think of more effective lobster farming methods.

Demonstrate how to tell the age of an egg without having to crack it open.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This easy at-home experiment is a great way to "see" science.

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

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.