Question 1

Silicon, Oxygen

Accepted Answer

Quartz's chemical Formula is SiO2, what 2 elements are present?

Question 2

inorganic (not alive), Naturally occurring, solid, have a definite chemical composition

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To be a mineral a sample has to be...

Question 3

Silicates

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The most common mineral group on Earth are?

Question 4

Most

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Quartz is the least or most abundant mineral on Earth?

Question 5

Metallic Luster

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this term means Shiny in reflected light, examples: gold, silver, copper

Question 6

Large

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Magma that cools inside the earth will create large or small crystals?

Question 7

small

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Magma that cools on the surface will form large or small crystals?

Question 8

Intrusive

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Magma that cools inside the Earth creates this type of igneous rock

Question 9

Extrusive

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Magma that cools outside the Earth creates this type of igneous rock

Question 10

Crystallization

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When liquid rock cools it goes through this process

Question 11

Metamorphism

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The changing of rock due to heat and pressure

Question 12

Clastic

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a Sedimentary rock type that has been worn down and then glued together by minerals is?

Question 13

Marble

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When limestone undergoes metamorphism, this rock is created

Question 14

he was missing the mechanism for movement (sea-floor spreading)

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Why was continental drift not accepted when Wegener proposed the idea?

Question 15

near mid-ocean ridges

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Where are the youngest ocean rocks found?

Question 16

near subduction zones where one plate sinks under another

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The oldest ocean rocks are found?

Question 17

The oldest and most dense will sink/subduct, melt, then create volcanic islands (ex: Japan)

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When 2 ocean plates meet...

Question 18

Folded mountains form (ex: Himalayas/Mt. Everest)

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When 2 continental plates meet...

Question 19

Divergent

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when 2 plates separate it is called a ____ boundary?

Question 20

True

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True/False: Magnetic patterns in the rock at a mid-ocean ridge will match on both sides of the ridge.

Question 21

mid-ocean ridges (in water) Rift valley (on land)

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What are some features you would find at a spreading (divergent) boundary?

Question 22

island arcs, volcanoes, trenches

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What are some features you would find at a convergent/subduction boundary?

Question 23

Spreading (divergent)

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At what type of boundary would you find mid-ocean ridges?

Question 24

YES! Mid-ocean ridges are volcanic mountain ranges under the oceans

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Can a spreading boundary create mountains?

Question 25

vents, fissures, craters, calderas, lava

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Name a few features that you would see if you visited a hawaiian volcano

Question 26

At the epicenter

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Where does the most damage from an earthquake occur?

Question 27

epicenter

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The first location to feel the earthquake would be located at the?

Question 28

San Andreas fault, California

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Name one example of a transform fault in the U.S.

Question 29

seismic belts (groupings of active plate boundaries)

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By plotting earthquake epicenters you can create a map of?

Question 30

Index Fossil

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This type of fossil is useful because the organism was abundant but only lived for a short amount of geologic time

Question 31

It is a constant rate

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What is useful to scientists about radioactive decay dating?

Question 32

half-life

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The time it takes for 1/2 of the original (parent) material to decompose

Question 33

relative and absolute

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The 2 types of ways to date a rock sample

Question 34

Oceans (bacteria use) and Fossil Fuel deposits (store carbon for millions of years)

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Earth's carbon can be stored where?

Question 35

Coal, oil, Natural gas, peat (fossil fuels) Gemstones, Minerals, Nuclear energy

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Examples of Non-renewable resources

Question 36

Plants, crops, animals, sunlight, water, wind

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Examples of Renewable resources

Question 37

21% Oxygen, Nitrogen = 78%

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What percent of the atmosphere is Oxygen?

Question 38

Millions of years

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How long does it take coal to form?

Question 39

They all store energy from the sun

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How are coal, solar power, plants, biofuels are similar

Question 40

When one tectonic plate sinks under another. A trench can form, as well as volcanic mountains.

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Subduction

Question 41

To explain the differences of

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Contrast

Question 42

To explain the similarities of

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Compare

Question 43

Provide detailed information about

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Describe

Question 44

Provide a shortened explanation of

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Summarize

Question 45

Less trees = less photosynthesis = less oxygen for us

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How does clear-cutting a forest affect our environment?

Question 46

mid ocean ridges

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ocean-ocean spreading boundaries can create?

Question 47

trenches, volcanic mountain ranges

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ocean-continent converging boundaries can create?

Question 48

folded mountains

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continent-continent collisions can create?

Question 49

volcanic islands, trenches

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ocean-ocean collisions can create?

Question 50

rift valleys

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continent-continent spreading boundaries can create?

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