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 diff
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Molecules
Why Do We See Lightning Before We Hear Thunder?
Why Do We See Lightning Before We Hear Thunder? Lightning usually reaches our eyes before thunder reaches our ears because light travels fas
Where Does Gasoline Come From?
Where Does Gasoline Come From? Most gasoline is obtained from crude oil or petroleum, the oil that comes from oil wells. Crude oil is a foss
Where Does Snow Come From?
Snow is a form of precipitation like rain and sleet. Snow forms in clouds when the air temperature up there gets below freezing. Water molec
What Causes Waves in the Ocean?
What Causes Waves in the Ocean? Most waves in the ocean are caused by the wind. Somewhere over the ocean, wind ruffles the surface of the wa