Potato batteries use the acids in the potato to start a reaction with two electrodes made of different metals that cause electrons to flow from one to the other through the potato, producing power. The potato acts as a salt bridge, connecting the anode, or negative electrode, to the cathode, or posi
A lab experiment for osmosis with potatoes involves putting half a potato in plain water and the other half in salt water and observing the difference in appearance. Osmosis is defined as the manner in which molecules pass through a membrane into a more concentrated solution.
According to The United States Potato Board, seven types of potatoes are commonly enjoyed by consumers: russet, long white, round white, fingerlings, red, yellow and blue or purple. The potato industry refers to them as table-stock varieties.
The average lifespan of a Labrador retriever is 10 to 12 years. Certain health conditions, such as heart defects, complications with obesity, cancer, liver failure and kidney disease, can shorten the lifespan of Labs.
In a typical onion cell lab, students observe the structure of onion cells using a microscope. Students usually complete the lab using both low-power and high-power magnification.
Potatoes were first eaten and cultivated in the Andean highlands of South America, between Bolivia and Peru. Spread to Europe and North America by Spanish explorers, these tubers are ranked second among the world's most staple crops.
Potatoes do eventually go bad. Their exact shelf life depends on the type of potato, but most go bad after two to five weeks at room temperature or two to four months in a refrigerator.
Chocolate Labs are the rarest of the three types of Labrador retrievers that originated in Newfoundland. Although the origins of chocolate labs can be traced back to eight original bloodlines, chocolate was not considered an official Labrador retriever color until the 20th century when the American
Potato diseases include infestations of the root, leaves and tubers caused by bacteria, fungi and other viruses. Common potato diseases include potato wart, soft rot and potato blight, according to the American Phytopathological Society. A complete list of potato diseases can be found on the U.S. De
The parts of a scientific lab report include the abstract, introduction, experimental methods and materials, results, discussion, conclusion and references, according to Purdue University. Evergreen Valley College adds a title page and applicable appendices. Each part of a lab report has specific da