After exercise, your heart rate increases, this is normal for everyone. However this experiment asks whether the recovery time for a heart's beating rate is faster for people who get regular exercise versus those that do not.

When you take a deep breath, the amount of air you are capable of holding within your lungs, is known as your lung capacity. It is not the same for everyone. This lab asks you to find out if it is possible to increase your lung capacity...

As if sniffles and clogged sinuses are bad enough, everything seems to taste bland and flavorless when we are sick. Gather up a few volunteers, hit the kitchen, and try this experiment to find out if there is really truth to the idea...

How your ears and your brain turn the sound waves out there in the world into the experience of music in your head, remains a mystery to many, but yet we all experience and even enjoy sounds and music. If you're interested in doing a...

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.

Tilt-A-Whirls, Merry-Go-Rounds, Spinning Tea Cups. Just the thought of these rides is enough to make someone dizzy, or queasy. Learn about spins, turns, and the mixed signals that fire in our brains when the sensation of dizziness takes...

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...

This is a musical project about the resonance of closed-end air columns. Organ pipes, flutes, and brass instruments are examples of musical instruments of this type. In this project, you'll learn how the pitch of the note produced...

Physical activity is needed for maintaining normal bone strength and mass. But whether physical stress on finger bones during development leads to an increase in finger length, is something you will discover in this project not by...

Whiteflies are a group of closely related insect species whose larvae live on plants. Like aphids, they suck nutrients from the plant's circulatory system. You will be asked to find the most effective method for fighting a whitefly...

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...

Everybody knows that worms are good for the soil, but not everybody knows why. This lab shows you how to efficiently measure earthworms within units of soil to determine their affect on decomposition and reduction of surface residue.

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...

There are two main types of materials when it comes to electricity, conductors, and insulators. What are they made of? Find out by testing different materials in a circuit to see which ones conduct the most electricity.

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...

Astronomers can determine the atomic composition of distant stars by measuring the spectrum of light emitted by the star. Sound cool? Well in this project you can do something similar by observing the color of flames when various...

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...

Saturn is a unique planet because of the many beautiful rings surrounding it. How are all of those rings made? Why is each ring unique?

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...

You can see examples of parabolic reflectors in flashlights, car headlights, satellite TV antennas, and even on the sidelines at football games. In this project, you can use an LED and a simple photodector to investigate this concept.

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...

DNA fingerprinting (also known as DNA profile analysis and DNA typing), is a method of distinguishing between individuals by analyzing patterns in their DNA. This project focuses on the first method of DNA fingerprinting to be developed,...

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"...