This science fair project idea investigates which objects float and sink in honey, water, and oil.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

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

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea produces consumable fresh water from salt water through desalination.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

This science fair project idea explores how water and ice can change the form of rocks.

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

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

In this science fair project, students investigate how different colors influence appetite.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.