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If you’re looking for fun and educational ways to occupy your mini scientists, try these 5 DIY experiments. The post 5 DIY experiments mini scientists can do at home appeared first on In The Know.
Elephant toothpaste reaction Two people watching the reaction of Elephant's toothpaste. 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 ...
The golden rain chemical reaction demonstrates the formation of a solid precipitate. The golden rain experiment involves two soluble ionic compounds, potassium iodide (KI) and lead (II) nitrate (Pb (NO 3) 2). They are initially dissolved in separate water solutions, which are each colorless. When mixed, as the lead from one solution and the ...
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.
A column of porous black graphite formed during the experiment. The carbon snake is a demonstration of the dehydration reaction of sugar by concentrated sulfuric acid. With concentrated sulfuric acid, granulated table sugar (sucrose) performs a degradation reaction which changes its form to a black solid-liquid mixture. [1] The carbon snake ...
The mercury beating heart is an electrochemical redox reaction between the elements mercury, iron and chromium. The reaction causes a blob of mercury in water to oscillate. The observeable reaction demonstrates an effect of a non-homogeneous electrical double layer. [1][2] It is often used as a classroom demonstration.
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