Learn about this simple machine and make a pulley of your own to use for fun science trials.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

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

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

The project researches how lubricants affect the mechanical advantage of a pulley.

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

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science 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.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

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

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.