This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

The goal of this project is to create an exciting topographical map out of dough.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.