Chemistry
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ArticleWhy are some elements on the Periodic Table represented by letters that have no clear connection ... Some elements were known in ancient times and therefore carry over their Latin names. Periodic Table. 2019. Photo by N. Hanacek. National Institute of Standards and Technology (NIST). There are eleven elements... -
ArticleHow do fireworks work? Fireworks are explosions of numerous small pellets of black powder called stars. The main ingredient in fireworks is black powder, which explodes when ignited (lit on fire). In addition to black powder,... -
ArticleWhy does chocolate melt in your hand? Because the melting point of chocolate is lower than the temperature of the human body. Eating Chocolate. Advertisement showing a woman eating McCobb’s Owl Brand chocolate creams; owls are prominently featured in...