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Calorimetry: Bomb Calorimeter Experiment

Have you ever wondered why some foods give you more energy than others?"Bomb calorimeter" sounds a bit confusing – it canalso be called a "combustion calorimeter." The sample is placed in a small meta ...

Why Do Apples Turn Brown?

Have you ever bitten into an apple, set it down for a few moments, and found that it has turned brown? This is caused by an enzyme (polyphenol oxidase and catechol oxidase are two common examples) tha ...

Where Do Bacteria Live?

Bacteria are single-celled organisms. They are very tiny—tiny enough that you cannot see one with the naked eye (although you can see a whole bunch). Bacteria serve all sorts of functions in the envir ...

Determine the Effect of Gray Water on Plant Growth

Greywater, also spelled gray water, is considered wastewater by most people. However, it’s beginning to be treated and used as fresh water around the world in places dealing with growing populations b ...

How Does Mold Grow?

Mold is a fungus that needs nutrients and water to grow. Mold can be found indoors and outdoors all over the world. Most are non-toxic, but they certainly aren't goodto eat!Mold can grow on surfaces l ...

Grow Slime Mold

Hipervinculo Biología

Grow Slime Mold

Slime mold is made up of organisms that resemble amoebas (single-celled organisms with no definite shape) and can easily be described as “blobs.” They move around looking for food and avoiding predato ...

Do Hand Soaps and Sanitizers Prevent the Growth of Bread Mold?

Have you ever gone to make a sandwich only to discover that the last two slices of bread have mold on them? We are always told to use soaps and hand sanitizers to clean our hands of tiny organisms, bu ...

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