primary: make your hot drink cool
Hot things cool because they lose heat to their surroundings. We can help them to cool by making the surroundings cooler (by blowing) or by conducting heat away with a spoon. The greater the difference..
Tagged: surface area
primary: keep baby warm
Babies and adults are warmer than their surroundings and constantly lose heat to it. Other things being equal, how quickly they lose heat depends on their size and the surrounding temperature. The
effect of surface area on a rate of reaction
visitors this year: 128 Hydrochloric acid and marble (CaCO3) react to form carbon dioxide gas. The gas can be captured and measured using a gas syringe. A position sensor can be attached to the...
