How Were the First Mountains and Valleys Formed?
The first mountains and valleys were the crust formed as a result of the cooling of the molten mass of the earth. As the…
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Molten
What Are Ingots?
Ingots are blocks of cast metal from which other things are made. You have probably heard of cast iron. Casting is the process by…
Why Does Iron Go Red When Heated?
Iron goes red when heated because its atoms radiate vibratory waves of an electromagnetic nature that are visible as light at a sufficiently
What Is Glass Made From?
Glass is made naturally from a fusion of silica (sand), soda and lime. This fusion can be achieved merely by lightning striking in a place w
How Are Diamonds Formed?
You may know that diamonds are crystals formed almost entirely of carbon. Natural diamonds are formed in dying volcanoes, where great heat a