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Ch.1 (Final)
| Question | Answer |
|---|---|
| (T/F) We depend on geologists for the raw materials we need for survival. | True |
| (T/F) A tsunami has a small wave height, travels rapidly, and is not noticed by people in boats. | True |
| (T/F) While the reserves of petroleum hydrocarbons within the United States are limited, other geologic resources (iron, aluminum, copper, and tin) are available in great abundance. | False |
| (T/F) Geology uses the scientific method to explain natural aspects of the Earth. | True |
| (T/F) Ocean - ocean plate convergence formed major mountain belts such as the Andes and Cascades. | False |
| (T/F) The mantle is the most voluminous of Earth's three major concentric zones. | True |
| (T/F) Earth's lithosphere is made up of the uppermost part of the mantle and crust. | True |
| (T/F) Most convergent plate boundaries coincide with the crests of submarine mountain ranges called mid-oceanic ridges. | False |
| (T/F) Plate tectonics regards the lithosphere as divided into segments (plates) that are in horizontal motion. | True |
| (T/F) A transform plate boundary occurs where two plates converge. | False |
| (T/F) Convergent boundaries, due to their geometry, are the sites of the largest earthquakes on Earth. | True |
| (T/F) Rocks brought to the earth's surface by internal processes are worn down, and eroded by surficial processes. | True |
| (T/F) The Earth is about 4.6 billion years old. | True |
| (T/F) The Earth can be considered as interrelated systems.. | True |
| The Earth's system that includes the oceans, rivers, lakes, and glaciers of the world is called the _______. | hydrosphere |
| The _____ is an example of a transform plate boundary. | San Andreas Fault of California |
| Rock deep within the Earth is _____ and ______. | hot; heat flows out toward Earth's surface |
| Earth's external heat engine is driven by __. | solar power |
| The Earth's interior heat engine works because hot buoyant material deep within the Earth _______ while cold denser material _______. | moves upward; moves downward |
| Listed from Earth's center outward, the three concentric zones of Earth are the __. | core, mantle, crust |
| A _____ is a scientific concept that has been tested and is in all likelihood true. | theory |
| _______ are geological forces generated inside the Earth | Tectonic forces |
| Earthquakes, volcanic eruptions, landslides, floods, and tsunamis are all examples of: | geologic hazards |
| The ____ is soft and therefore flows more readily than the underlying mantle | asthenosphere |
| After data have been analyzed, tentative explanations or solutions called _____ may be proposed. | hypotheses |
| Plate tectonics is a unifying idea that helps explain where and why there are ___ on Earth. | All of the answers are correct. |
| The two major types of crust are oceanic crust and __. | continental crust |
| The concept of plate tectonics regards the earth's ___ as broken into a number of ___ that are in motion relative to each other. | lithosphere; plates |
| Plates are known to be moving away from each other __. | across mid-ocean ridges |
| A _______ boundary occurs where plates move towards one another. | convergent |
| The _____ of old seafloor takes place at convergent boundaries. | destruction |
| The North American plate is moving ____. | west |
| The best geologic data currently available indicates that Earth is approximately ___ years old. | 4,550,000,000 |
Created by:
Thomas.Siu
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