In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This project examines whether people's taste perception is influenced by what they see.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea examines which type of insulation holds in the most heat.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea provides evidence that air is everywhere and takes up space.