1
Earth scientists play a vital role in harvesting the energy resources on which we all rely. When preparing to drill for oil, for example, geoscientists must assess many aspects of a rock stratum (layer). For example, they must figure out the volume of the rock's pores, or empty spaces, as compared...
Grade Level   7 8 9 10
Classroom Activities Curricula and Instruction
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2
Are soils like M&Msâ„¢? Yes! Typical soil colors are red, brown, yellow, or black. These colors are often not the color of the minerals in the soil but coatings of iron oxides (Fe203, FeOOH, and so on) or organic matter on particles. The minerals beneath are often quartz or feldspar, which are...
Grade Level   9 10 11 12
Classroom Activities Curricula and Instruction
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3
We usually think of caves forming as rocks are dissolved and the particles are washed away, leaving hollow spaces behind. This activity simulates the way that dissolution, a chemical weathering process, leads to the formation of caves. When precipitation such as rainwater or snowmelt mixes with...
Grade Level   7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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