How Does a Magnet Work?
How Does a Magnet Work? A magnet is usually made of iron or steel. Magnets can be of various shapes, but all of them have the ability to pull things towards themselves....
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Why Dogs Always Have Wet Noses, and Can Sniff Things out Better than Humans?
Why Dogs Always Have Wet Noses, and Can Sniff Things out Better than Humans? Well, scientists think they’ve found the answer to both those questions. Experts say...
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Why Do My Ice Skates Slide over the Ice so Easily?
Why Do My Ice Skates Slide over the Ice so Easily? When you ice-skate, you are not skating on the ice itself, but on a slippery film of water between the ice and the...
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What Makes Plant Leaves Green?
What Makes Plant Leaves Green? The green we see in leaves comes from a green substance called “chlorophyll,” which the plant uses in making food. Chlorophyll is found...
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How Are Plastics Made?
Plastics are manufactured from chemicals that come from such materials as coal and petroleum. Petroleum, for example, is the source for different liquids and gases. One...
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