Here's an abstract of a project from Science Buddies that asks you to experiment with bicycle gears and the circumference of the wheel to determine revolutions per minute.

Mysteries and detective stories have been popular since the time of Sherlock Holmes. The solutions to these fictional cases often involve untangling seemingly contradictory evidence from eyewitnesses. This project studies one procedure...

Here's a project for studying compression waves in different soil types. It uses a homemade wave tank for solids, with a frequency generator, amplifier, and loudspeaker as the vibration source. There are lots of interesting possibilities...

One major cause of acne is the colonization and infection of clogged pores with bacteria. By testing different acne medications and treatments, you will be able to determine their effectiveness when it comes to killing bacteria.

Build a device to accomplish a fun task. Accept a design trade-off challenge of using only a set amount of simple materials, as if you were stuck on a desert island, to make your device work.

Though rock candy seems to be a simple enough treat, it is also pretty interesting to make. Crystallized sugar that can be grown from a sugar-water solution is just how rock candy is made. In this experiment, you will learn to make your...

Determine how golf club head velocity affects shot distance. Make your next trip to the driving range educational by conducting this experiment.

This is an interesting experiment for an Investigator who is 1) curious about insect metamorphosis and 2) patient. You'll need to set up different controlled environments for the chrysalides, and then check on them regularly as you wait...

Fingerprints are used as reliable identification because each person's fingerprints are unique. This lab allows you to research and discover if these unique patterns are created randomly or influenced by genetics.

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...

The Grand Canyon serves as an excellent example of just what water can do over a period of millions of years. This week long lab will help you understand how erosion works, how engineers work to help prevent erosion.

Oil spills devastate wildlife and our precious water resources. Test the absorptivity of different materials (sorbents) to discover which ones are best at removing oil from water in this brief lab.

Earthquakes can have different affects depending on their location. This week long exercise asks you to build a model house and a special table to shake it on, and see how different soil types can amplify shaking.

Are you a piano player or a video gamer? Then you might have a quick reaction time that can come in handy while playing sports. Find out how to measure your reaction time and compare it to your friends and family with this fun experiment.

If you love to hit the half pipe with your snowboard or skateboard, then you have tested the strength and durability of laminates. Laminates are sandwiches of different materials that are glued together in layers to give strength and...

Did you know that ancient astronomers could measure the distance to other stars? They could also distinguish between stars and planets. How could they do that without modern technology of telescopes? See if you can discover the link...

What is a colloid? If you have made Oobleck out of corn starch and water, then you know that a colloid is a mixture that acts like a solid and a liquid at the same time. This activity helps you determine the critical factors that...

Have you ever been to a tide pool during low tide? Some intertidal animals in the low tide zone are left in a tiny pool of water when the tides go out. Other intertidal animals that live in high tide zones may be left to dry out during...

Have you ever been swimming at the beach and gotten some water in your mouth by mistake? Then you know that the ocean is very salty. Bodies of freshwater also contain some salt, but much less compared to oceans. In this experiment you...

You've probably noticed that the price of gasoline can fluctuate a great deal from one year to the next. Using good insulation material is one way to conserve energy and save money. Learn here which insulation materials work better than...

The oceans contain both the earth's largest and smallest organisms. Interestingly they share a delicate relationship linked together by what they eat. The largest of the ocean's inhabitants, the Blue Whale, eats very small plankton,...

The insides of a car engine get very hot when the engine is running. Motor oil lubricates the moving parts, to keep the engine operating smoothly. Learn what happens to motor oil as the engine temperature goes up.

You may have seen it on You Tube and David Letterman - the exploding Coke and Mentos experiment? But what is it that makes the reaction happen? In this experiment you will see if tiny dimples called nucleation sites have anything to do...

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...