Some people are more susceptible to flavors than others. This experiment asks you to test your threshold for the three types of taste our tongues are capable of experiencing: salty, sweet, and sour.

Crown gall is a plant disease caused by the soil bacterium Agrobacterium tumefaciens. This project uses tomato plants to investigate whether garlic extract can prevent crown gall infection. Though this is a lengthy experiment, a...

If you like playing electric guitar, this could be a cool project for you. In this project you'll wind one or more of your own electric guitar pickups and test them out in an inexpensive electric guitar to understand just how electric...

This is a great project for musicians interested in the physics of stringed instruments. If you have ever played an acoustic guitar, you may have noticed that picking a single string can make one or more of the other (unpicked) strings...

In this project, water fleas (Daphnia magna), a semi-transparent freshwater crustacean, are used to study the effects of caffeine on heart rate. You do not have to learn how to take a crustacean's pulse though, because you can actually...

Many substances are actually mixtures of different things. For example, milk, which looks like it is one substance, is actually a mixture of many different solids and liquids. Chromatography is a technique that is used to separate...

Shake N' Light flashlights have been advertised on televisions across the nation in the recent year. But many do not understand just how they get energy to light up the bulb without using batteries. Do this experiment to make your own...

We have all heard the old saying, "One bad apple spoils the whole bunch." Due to the production of the plant hormone ethylene during the ripening process, this saying proves true. This experiment will investigate the role of ethylene in...

If you live in a big city or urban area it is hard to see many stars at night. In most urban areas only the most brilliant stars, planets and the moon can be seen. This is because of something called light pollution which is the...

When you are in the city, only a few of the brightest stars are visible. But when you are in the country, you can see many more stars than you can count. Sometimes you can even see the bright belt of our galaxy, the Milky Way. In this...

Do you live in an area where the weather changes a lot from season to season throughout the year? Or do you live in a place where the weather stays pretty much the same all year long? How dynamic is the weather, and how does it compare...

It seems as though dogs, like people, have definite preferences for their play things. This fun project investigates what makes a toy interesting to a dog. In these experiments, you and your dog can have some fun while you learn about...

Robots come in many shapes and sizes. Everything from the Mars Rover to a toy dinosaur is a well planned machine designed to suit its purpose. In this experiment you will test different robot designs with an online simulator.

Skyscrapers are impressive structures. What does it take to design a building so tall? Engineers use strong materials and innovative design to push the limits of gravity. In this experiment you will use LEGO components, rubber balls, and...

How far would you have to travel so that the light of the full sun would provide "daylight" no brighter than twilight on Earth? This project describes a method to verify the inverse square law: how light, sound, electrical signals, and...

Here's a fun project that combines baseball and math. Major League baseball is played in ballparks that have their own individual quirks when it comes to the exact layout of the field. Fenway Park in Boston has the famous "Green Monster"...

Sedimentary rock forms in layers that are deposited one after the other over long periods of time. Oftentimes, sedimentary rock contains fossils and other debris that are deposited within the layers. Use this experiment to investigate...

A project that requires you to play with a dog cannot be all that bad, right? This scientific experiment entails the respiratory functions of dogs. Learn the chemical and bodily processes going on within your canine companions...

Batteries are expensive to purchase in a store, but you can make one your self for exactly 24 cents. In this experiment, you will make your own voltaic pile using pennies and nickels and determine how many coins in a pile will make the...

Discover what happens to the circumference of a balloon when it is placed in dry ice, kept at room temperature, and when it is warmed by a hairdryer.

This elegant project employs a scientific approach that is particularly valuable in Environmental Science, but can be applied to other areas as well. The approach has three steps: 1) from your observations in the field, form a...

In candy making, corn syrup is known as an "interfering agent." You can find out just what this agent does by making two batches of lollipops, one with corn syrup and one without and examining the differences between the two. Once you...

This resource is composed of student questions for engineers, and provides information on a variety of scientific topics such as devising science fair projects, planning scientific experiments and getting into a school like MIT for...

Can you crush a soda pop can with your bare hands? Try this experiment where with the help of air pressure you can show your friends what kind of strength you have. Make sure you stay safe! There is a video included.