Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Determine if gender affects the ability to identify different smells.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.