Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.

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!

Test your skills as a weather forecaster, and learn some science terms on the way!

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This project will explore whether music influences physical endurance.

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

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This project examines whether more expensive golf balls translate into better results on the golf course.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this project, you will observe and record changes in sunspots over two weeks.

This experiment evaluates whether motivational music can improve athletic performance.

Determine if left-handed people have faster response times.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

In this experiment you will evaluate whether praise improves athletic performance.

This project explores what happens to a rubber band when it is heated and cooled.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.