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

Here's a science activity to help your child investigate how seeds are designed to travel.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This science fair project idea explores whether color affects a person's emotional state.

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

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

The objective of this science project is to determine the length of time for different seeds to germinate.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Learn whether writing things down really makes things easier to remember.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.