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

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

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.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Construct batteries that make electricity from fruits with this fun science fair project.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.