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Raindrops contain more than just water. In addition to the small particles of dust around which water drops form, raindrops can contain chemicals found in the atmosphere. Often rain is slightly acidic. This “acid rain” can chemically affect (weather) materials it touches. The amount of...
Grade Level   6 7 8 9 10
Classroom Activities Curricula and Instruction
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2
Petroleum geologists study Earth's rock layers, looking for places where oil-generating rocks might occur. These geoscientists try to determine whether geologic structures trap the oil in reservoirs which can be drilled and pumped to recover the oil. One such type of trap occurs when rocks have been...
Grade Level   7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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