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Elephant's toothpaste is a foamy substance caused by the quick decomposition of hydrogen peroxide (H 2 O 2) using potassium iodide (KI) or yeast and warm water as a catalyst. [1] How rapidly the reaction proceeds will depend on the concentration of hydrogen peroxide.
The Investigators is a BAFTA-nominated [1] children's science program, presented by children, on Channel 4 in Great Britain.It showed various interesting experiments from how to blow a balloon up with yeast to building bridges.
Although a common classroom experiment is often explained this way, [440] Bernoulli's principle only applies within a flow field, and the air above and below the paper is in different flow fields. [441] The paper rises because the air follows the curve of the paper and a curved streamline will develop pressure differences perpendicular to the ...
Pages in category "Balloon-borne experiments" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. A.
A soda geyser is a physical reaction between a carbonated beverage, usually Diet Coke, and Mentos mints that causes the beverage to be expelled from its container. The candies catalyze the release of gas from the beverage, which creates an eruption that pushes most of the liquid up and out of the bottle.
Synchronized weather balloon launches have helped meteorologists create forecasts over the past 150 years, and now the old tradition is going high tech. Twice a day - every day of the year ...
1804 – He and Jean-Baptiste Biot made a hydrogen-balloon ascent; a second ascent the same year by Gay-Lussac alone attained a height of 7,016 metres (23,018 ft) in an early investigation of the Earth's atmosphere. He wanted to collect air samples at different heights to record differences in temperature and moisture.
The effect was described by Louis Pasteur in 1857 in experiments showing that aeration of yeasted broth causes cell growth to increase while the fermentation rate decreases, based on lowered ethanol production. [4] [5]
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