Tag Archives: Oil

Where Does Wax Come From?

Wax is a soft, solid substance that comes from animal, vegetable and mineral sources. When we think of wax, we may think of the soft, solid materials that candles are made of. There are  many kinds of wax and many use for them.  Wax comes from animal, vegetables, and mineral sources. The wax used for …

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Why do onions make our eyes water?

Our eyes are really watering all the time.  Tears come from special tear glands in the corners of our eyes.  When we blink, our eyelids squeeze little drops of tears from the glands to bathe our eyes, to keep them from drying out and to help wash away specks of dirt. Onions give off a …

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Where does kerosene come from?

Kerosene is a kind of oil that is used as a fuel for jet engines and for burning in lamps and in stoves—especially camping equipment—for lighting or cooking. Most kerosene comes from petroleum, the oil that comes from oil wells. Petroleum is a mixture of many materials.  Separating petroleum into its many parts is called …

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How can you make oil sink in water?

An object will float or sink in a liquid, depending on its density.  Density is a property of matter that tells us how heavy something is for its size. For oil and water, liquids deemed to be immiscible.  But still, oil can sink in water.  How?  There are several ways.  One, you can opt for …

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Why does iron rust?

An iron nail left in a damp places will soon be covered by rust.  The rusting of iron is an example of oxidation.  That is, when iron rusts, it actually “burns up”.  But the rusting process is very slow and does not produce heat fast enough to cause a flame. In this process, the iron …

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What makes poison ivy itch?

The leaves and stem of poison ivy contain a poisonous oil that is very irritating to the skin. Poison Ivy is one of the most common and  most-feared poisonous plants in North America.   Few people can touch the leaves or berries without being poisoned. The poison is an oil that is extremely irritating to the skin, …

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