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.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

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

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

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

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

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

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