This science fair project idea explores how length affects the weight a bridge can hold.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This project determines what category of person is most likely to be ticklish.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Discover which fabrics shrink the most in the wash and why.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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.

Word color association is just a fancy way to talk about the way we connect colors with words.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Find out which kind of bubble wrap fares best when put in impact.

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

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

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

This science fair project idea examines whether boys and girls differ in reflexes.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.