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earth science eoc
| Question | Answer |
|---|---|
| What are the four branches of earth science? | Geology, Oceanology, Meteorology & Astronomy |
| What does each branch study on earth? | Study of the solid earth, study of the oceans, study of the atmosphere & study of outer space |
| What are the 4 sphere of the earth? | Land, water, air and living things |
| What living and/or non-living factors is each sphere made of? | Solid crust, solid/liquid/gaseous water, all air in the earth's systems, plants/animals, |
| What are the 5 characteristics of minerals? | naturally occurring, inorganic, solid, definite chemical composition, ordered internal structure. |
| Define the following properties of minerals - Luster | The way the mineral reflects |
| Define the following properties of minerals - Hardness | Level of the mineral |
| Define the following properties of minerals - Cleavage | Ability to split |
| Define the following properties of minerals - Streak | The minerals color |
| How do you test for Hardness | Scratch on a clean surface |
| How do you test for Cleavage? | The second smooth surface is parallel to the first |
| How do you test for Streak? | Color of the minerals powder |
| List the physical characteristics for igneous rocks? | volcanic look, have holes or be glassy looking |
| List the physical characteristics for metamorphic rocks? | bands or foliation of the rocks sample |
| List the physical characteristics of sedimentary rocks | lithification of weathered rock |
| Which type of rock is made from other rocks? | Metamorphic rocks |
| What processes must occur to turn an igneous rock in sedimentary rock? | Breakdown by weathering |
| What process must occur to turn metamorphic into an igneous rock? | Breakdown from magma |
| How are foliated metamorphic rocks different from non-foliated? | Foliated has a fine grain and non-foliated does not |
| How is weathering different than erosion? | weathering has more physical break down than erosion |
| Examples of chemical weathering | carbonation |
| examples of mechanical weathering | rock gets smaller |
| how does weathering/erosion change shapes of mountain tops What is Mass Movement | it breaks them down Movement of surface material caused by gravity |
| what landforms/features are created by erosion | bays and cliffs |
| how is a delta created | when a river reaches a lake |
| how are sediments eroded by water and glaciers different in their shape and why | water erodes into the rock and erodes it away |
| what are some preventions of eroding | retaining walls |
| what time measurements is the geologic timeline divided up by | most recant geologic periods |
| how does fossil evidence show that evolution had occurred | they tell us how species have changed |
| what is different from absolute and relative dating | range vs actual dates |
| what is the law of superstition | basic law of geochronology |
| tectonic plates make up which layers of the earth | continental crust |
| what evidence supports the theory of plate tectonics | ectonic plates move away from spreading zones, they collide with one another |
| where does new crust form on earth | Mid-ocean ridges |
| where do volcanos and earthquakes occur on earth | At diverging plate boundaries |
| what is the difference between lava and magma | Magma is composed of molten rock and is stored in the Earth's crust. Lava is magma that reaches the surface of our planet through a volcano vent. Lava flow |
| how were the Hawaiian islands formed | The Hawaiian Islands were formed by such a hot spot occurring in the middle of the Pacific Plate |
| what are the 2 different types of seismic waves | body waves and surface waves |
| how do find the epiccenter of an earthquake | Measure the distance between the first P wave and the first S wave |
Created by:
lmolloy
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