Discover which fabrics shrink the most in the wash and why.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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 project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Construct batteries that make electricity from fruits with this fun science fair project.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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 idea investigates if fats add to the flavor of food.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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.

Find out which type of sponge holds the most water.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.