Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

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

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

In this activity your child will create their very own marble maze!

In this project, you'll create Oersted's experiment, which relates to how electric currents create magnetic fields.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Science fair project that cultivates slime mold and monitors the stages of its development.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

Make a backbone model to explore human anatomy and life science.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

This science fair project idea assesses the effect of music on work performance.

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

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

This science fair project idea investigates food preference of birds.