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Earth Science
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Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
What is Magma ?
melted rock
Molten Rocks above earths surface
Molten rock below earths surface
2
Colder temperatures cause density to
Decrease
Neither
Increase
Both
3
What is Subduction?
Prostitute
When something goes under another
When something meets in the middle
When plates touch
4
Is the outer core a solid,liquid,or a gas?
Solid
Rawr
Liquid
Gas
5
What is lava?
Molten Rock above earths surface
Both
Molten rock below earths surface
6
An ocean wave caused by an Earthquake is called a???
Volcano
Tsunami
hurricane
Earthquake Wave
7
What is the uppermost layer of the atmosphere?
Exosphere
Troposphere
lithosphere
Abbosphere
8
What does "Astheno" mean?
strong
Popcorn
Weak
Solid
9
How many years ago did continents break apart?
300 million years ago
200 million years ago
250 million years ago
150 million years ago
10
What does plate movement Create?
It created all of the above
it created mountain ranges,trenchs,and Rift Valley
It created rocks and magma
It created just Rift Valley
11
Hotter temperatur cause density to...
Decrease
more dence
Increases
Less dence
12
Which of these choices are Types of volcanos ???
Shield
All of the Above
Cinder Cone
Composite
13
The Earths crust is simular to what kind of food?
Crust of bread
Bagel
Cake
Oreos
14
How do we reduce the risk of Earthquakes on humans???
Rebuild everything
Kill people
Fortify the construction of buildings
15
Volcanos form above what zone???
Subduction Zones
Construction Zone
Suduction zone
16
What volcanos are more dangerous ones on land or ones underwater?
Underwater
Ones on land
17
What is the outer core mostly made up of?
Solid
Liquid
18
When Magma hits the surface of the Earth its called???
Liquid Magma
Lava
Molten Rock
19
What is Continental Drift?
Continetal Drift
Plates stay still
plates moving
How plates move
20
What Are Plate Techtonics?
When earth is divided into plates
Alfred Wegner
Pplates break apart
plates moving
21
Where is a major transform boundary??
SantaS Fault
San Antonio Fault
San Andreas Fault
22
Who proposed the thought of Seafloor Spreading Theory???
YOUUUU
Alfred Wegner
Albert Einstien
Harry Hess
23
Why was there a year without a summer???
Lava went everywhere
the moon went infront of the sun
Because of all the volcanic ash
Water went everywhere
24
Which is more dense, Oceanic or Continental?
Oceanic
Continental
25
What two elements are in new rocks?
Rocks
Iron and hydrogen
Magnesium and Basalt
Basalt and Iron
26
What is silt
Clay like rock
Fine sand
27
_________ boundaries occur when two plates slide past each other .
Convergent
Divergent
Transform
28
What is Mid Ocean Ridge?
Magma goes everywhere
Where Magma comes out of Ocean Floor
Soccer
When Magma comes out of a volcano on land
29
What is the inner core mostly made up of?
Nickel & Iron
Sediments
Magma
Liquid Rock
30
Earths crust and parts of the upper mantle broken into sections called....
Techtonics
Seafloor
Continental Drift
Plates
31
Which layer of the earth is broken into the lithosphere and athenosphere?
Inner Crust
Mantle
Outer core
crust
32
What is seafloor spreading?
How plates move
Plates stay still
Plates never move
where plates move
33
What is Density?
How much stuff and how much space
how stuff moves
How much earth
Stuff
34
The astenospher is like what
Taffy
Ice cream
Pizza
Melted chocolate
35
What are secondary affects of Earthquake damage ???
Gases
Earthquakes
Fire,Tsunamis,broken water pipes,and broken fuel lines
36
Where do earthquakes form???
in the hills
by the ocean
Form around faults where rocks have ruptured
broken rocks
37
When did scientist realize the sea floor was not flat??
during World War II
1 million years ago
during World War I
38
Who created the idea of Continental Drift?
Albert Einstein
Alfred Wegener
Harry Potter
Hobo
39
What are the threats to earths spheres form an earthquake???
Gases
Everything
Land slides,rock slides,and gases from broken fuel lines
Rocky roads
40
What is igneous rock?
volcanos
earthquakes
cooling through magma or lava
