Science & Technology

Microscopes magnify the tiniest inhabitants of this world. From the minute details of cells to the delicate cilia of paramecium to the intricate workings of Daphnia, microscopes reveal many minuscule secrets. Calculating total magnification power uses simple observation and basic…

Finding the factors of a number is an important math skill for basic arithmetic, algebra and calculus. The factors of a number are any numbers that divide into it exactly, including 1 and the number itself. In other words, every…

The molar heat capacity is the amount of heat that must be added to raise 1 mole (mol) of a substance in order to raise its temperature one degree (either Celsius or Kelvin). The molar heat capacity can be found…

We may receive a commission on purchases made from links. A propane flame is hot enough to melt pure gold. It will also melt gold alloys but the melting process does not separate gold from other elements, like silver or…

Discrepant events are occurrences which defy our understanding of the world by presenting unexpected outcomes. These phenomena are often used in science demonstrations to grab the attention of an audience and engage visual learners, particularly young children. Always encourage students…

Birds aren’t the only animals calling from trees. You may have been scolded by a squirrel without even recognizing it. Chattering noises might sound like some kind of bird, and squirrels can make a screeching noise similar to a bluejay.…

Iron, one of the most abundant elements on Earth, helped give rise to entire civilizations and is the key ingredient in steel, without which many of our modern structures would not be standing. The story of iron’s origins is astronomical,…

Many acidic liquids can likely be found in either your refrigerator or your cleaning supply closet. Acids can be found in natural fruit juices, cleaning liquids and other sources. Acidic liquid is an important culinary ingredient, as it is often…

Baking soda, a substance found in most kitchens, has the chemical name sodium bicarbonate and has a pH of 9. Besides its role as an ingredient for cooking, it has many other household uses; for example, it can clean surfaces,…

Unlike other numbers, averaging percentages is seldom a matter of just adding them together and then dividing. Because the numbers each percentage represents may be different – like 10 percent of a large group of people compared to 12 percent…