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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.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!