Science fair project that compares tap water and bottled water for the presence of common impurities.

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

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

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

The objective of this science project is to investigate patterns in fingerprints among family members.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

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.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

Investigate which substances are most effective at removing salt from water.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

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.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

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.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Test your skills as a weather forecaster, and learn some science terms on the way!

This science fair project examines whether ocean water can be made safe to drink.

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

This project concerns activity happening millions of miles away, on the sun.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

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