Question | Answer |
Layers of the Earth: | Crust, Mantel, Outer and Inner Core |
Magnetic poles: | MOVE!!!!! and protetct us from the suns deadly rays
Magnet field in South Atlantic is weakening,
Magnetic poles flip |
Giga Anum: | Billion Years |
Mega Anum: | Million Years |
Pangea | the idea that the contenants were once all conected. |
Types of Plate Boundaries | are.... |
Divergent | where both plates are moving away from eachother |
Convergent | where both plates are moving towards eachother |
Transform | where both plates are sliding past eachother |
Convergent and Transform Boundaries create??? | EARTHQUAKES!!! |
Convergent and Divergent create??? | Volocanoes!!! |
Wadafi Benioff Zone??? | A belt of eathquakes in a downgoing plate. |
Divergent Boundaries create... | rift valleys |
Black Smokers... how hot? | About 350C |
The seafloor spreads at what rate? | 5-10 cm/yr or the rate your fingernail grows... |
Contental Crust is less dence than? | Ocean crust |
Types of Convergent Boudaries | are... |
1. Oceanic | Oceanic |
2. Oceanic | Contenental |
3. Contenental | Contenental |
Mariana's trench is... | about 6 miles deep |
Example of a transform fault is the... | San Anreas Fault |
Hot spots don't move | just fyi |
Tallest Mt. in the world is.. | Monta Loa Islan in Hawii |
What is the direction of plate motion? | The location of the hot spot doesn't change... |
A mineral is... | Naturally occuring |
Solid | Cristalline structure |
Definable Chemical Structure | Inorganic |
Diamond is made of carbon. | ... |
Cristaline structure | results from arrangement of atoms |
Cristal Habit | naturally occuring shapes |
Cleavage | breaks into predictable planes |
Cristals have a maximum of ___ planes of cleavae | 4 |
Fracture | Brakage without cleavage |
Luster | way surface scatters light |
Streak | color when powdered |
Specific Gravity | Dencity |
Luster is | Metalic or Nonmetalic or Sub Metalic |
Moh's Hardness scale | On a scale from 1 to 10 ten being hardest |
1 | Talc |
2 | Gypsum |
2.5 | Fingernail |
3 | Calcite |
3.5 | Copper penny |
4 | Florite |
5 | Apatite |
5.5 | Knife |
6 | K-spar |
6.5 | Steel File |
7 | Quartz |
8 | Topaz |
9 | Corundum |
10 | Diamond |
Luminecense | color under differant forms of light |
Streak | color when powdered |
Minerals in Arkansas | Buaxite |
Bromine | Quartz |
Clay | Sulfur |
Coal | Vandium |
Gemstones: Quarts, diamond | Vermiculite |
Muscivite | is a mineral |