Mon Prof Augmenté
Chemistry: Age 14
8 illustrated Chemistry lessons for Age 14.
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How black powder pushes a ball Black powder does not explode all at once: it burns very fast, and the solid turns into a gas that takes up fa… -
Burning methane balances out When methane burns, its atoms break their old bonds and join up in new ways to make carbon dioxide and water. … -
Indicator Test Tubes The pH scale runs from 0 to 14. Universal indicator turns red in acids, green at neutral, and violet in alkali… -
Light on Film Grains Light passing through a lens strikes silver halide grains in film. Where it hits, the grains turn into tiny me… -
Capturing Flower Fragrance Flower petals hold fragrant oils and scent molecules. Two lab methods can pull them out: one uses a solvent, a… -
Aircraft Scrap Metal Aircraft scrap contains several different metals and alloys mixed together. Density, spark colour and alloy co… -
How Calcium Turns Seaweed Extract into Gel Brown seaweed contains alginate, which is made of long chain molecules that slide past each other in water, so… -
Inside an Atom An atom has a tiny, heavy core called the nucleus, surrounded by electrons moving in shells at different dista…