This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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

This science fair project idea investigates if fats add to the flavor of food.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

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.

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

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea explores the different properties of matter.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

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

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

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea determines what household items are good conductors of electricity.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea explores whether talking to a plant will help it grow.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.