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science exam note

Tran Q3 Science exam notes. 3/2009

QuestionAnswer
Alfred Wegener believed that all of the continents had been one time linked together, called this. Pangea
The Atlantic Ocean is growing larger because of a process called What? Sea-Floor Spreading
The plates move because of the heating and cooling of the asthenosphere, which is created by what? Convection currents
The Earth is divided up into 7 major and 2 minor what? Plate Tectonics
Most metamorphic rocks form what? Non-Foliated rocks
Sometimes, one tectonic plate will collide and go underneathanother tectonic plate. What is this process called? Subduction
Erosion and deposition play roles in the formation of what type of rock? Sedimentary
What describes a rocks texture? Grains, grainy, rough, sometimes smooth. Sand, compacted.
What could a geologist use to determine what kinds of minerals a rock is made of? The texture, shape, form, hardness, and streak.
What are some of the forces that can wear a rock down? Destructive forces, weathering, and erosion
Organic rock is sedimentary rock formed from the remains of... Mountains, and other rocks.
Geologists classify rocks according to its... Shape, texture, color, and streak.
Heat and pressure can turn a metomorphic rock into... a foliated rock
What properties did you look for in the rocks to try to determine what it was? Color, Hardness, Streak, and texture(S)
What clues did you try to find? The shape, weight, color, texture, hardness and streak can help you narrow your choices down, and then you can look in a book, or on the in ternet and find out which rock it is.
What resources could you use to help you determine what a rock/mineral might be? A book or the internet should work fine.
Created by: ryan1997
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