In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

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

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

Demonstrate which cooking method gets rid of the most fat.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.