Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Start your toy engines -- this is going to be a fast and friction-filled race!

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Science fair project that explores the natural process of limestone formation.

This science fair project idea compares biodiversity between drops of water.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

This science fair project idea uses the process of chemical weathering to change a mineral.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

This science project teaches students to classify different shapes of leaves.

This science fair project demonstrates the "power of conformity".

Science fair project that explains and demonstrates the parallax principle.

Free science fair project idea examining how different types of water affect plant germination and growth.

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

This science fair project teaches students the differences between fruits and vegetables.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The purpose of this science fair project is to build a basic radio.

Make a backbone model to explore human anatomy and life science.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

This science fair project idea compares the mass and density of objects.

Science fair project that builds a magnetometer and demonstrate its uses.

This science fair project idea discovers the principle of conservation of mass.