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.

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.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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.

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.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

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.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

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