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Unit 2 Review - Earth's Structure Flashcards | StudBud
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Unit 2 Review - Earth's Structure
Unit 2 Review - Earth's Structure
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1
What is the state of the outer core?
Frozen
Solid
Melted Rock
Liquid
2
What causes an earthquake?
Two collide and push up
When a lot of wind blows
It just happens
When energy is released from plates
3
Why didn't people believe Wegener's theory of Continental Drift?
He was known to be a liar.
He did not explain HOW the continents moved.
He was legitimately crazy!
He didn't give evidence.
4
What is weathering in relation to the Rock Cycle?
It is due to crystals in the rock
It is the laying down of sediments in a new place
Moving of rock from one place to another
The breaking down of rock into smaller pieces
5
Which color is the youngest ocean rock?
Orange
Green
Red
Blue
6
Where do most volcanoes occur?
In the Himilayas
Along plate boundaries
In the Rocky Mountains
In Hawaii
7
What do the plates on a transform boundary do?
Slide past each other horizontally
Move away from each other
Dive beneath another each other
Crash into each other
8
When plates come together they form_____________?
All of the above
Earthquakes as an after effect.
Volcanic Mountains
Mountains
9
What is shown in the following picture?
Ridge
Subduction Zone
Transform Boundary
Mountains
10
What did Alfred Wegener call the large " Super Continent"?
Pan Am
Ring of Fire
Pangaea
Eurasia
11
What is the name of the giant landmass the continents once formed?
Worldia
Laurasia
Gondwana
Pangaea
12
What do we call the liquid part (lower part) of the mantle?
crust
core
lithosphere
asthenosphere
13
How do the continents move, as discovered by Hess?
Oceans Moving
Sea Moves
Seafloor Spreading
Spreading of the Sea
14
What proof did Wegener discover to prove his theory?
All of these!
Glacial grooves on rocks in warmer continents.
Mountains from 2 different continents that could connect.
The same fossils on multiple continents
15
Why is the inner core a solid even though it is hot?
It is so small
The pressure from the Earth
It is furthest from the surface
The temperature
16
Plates that move apart from each other are what type of boundary?
Subduction Boundary
Convergent Boundary
Transform Boundary
Divergent Boundary
17
When tectonic plates sink underneath another plate, it is called...?
seafloor spreading
subduction
plate sinking
asthenosphere
18
What motion of the magma (the circulation) in the asthenosphere causes plates to move?
sinking
subduction
lithosphere
convection
19
A whole lot of Igneous rocks in an area means there must have been what?
a lot of rain
cementation
volcanic activity
compaction
20
What process is modeled by pushing down on clothes in a suitcase to add more layers.
compaction
cementation
deposition
weathering
21
The process by which new rock is made from old rock is called_______?
Egyptian
Rock band
Rock Cycle
texture
22
Which color is the oldest ocean rock?
Red
Orange
Green
Blue
23
Who is the best 6th Grade Science Teacher?
Miss Sweazy
Miss Sweazy
Miss Sweazy
Miss Sweazy
24
Where are most volcanos and earthquakes located?
In the middle of continents
Along plate boundaries
Near the north and south poles
Along the equator
25
Who is the scientist that continued Wegener's studies and helped prove HOW the continents move?
Albert Einstein
Henry Hass
Jimmy
Harry Hess
26
When magma erupts from a mid-ocean ridge, it creates new ocean floor made of what type of rock?
igneous
lava
sedimentary
metamorphic
27
What is an underwater mountain range in which magma exits to cause seafloor spreading?
ocean mountains
mid-ocean mountains
mid-ocean ridge
underwater volcano
28
What type of rocks are formed when rocks are changed by heat and pressure?
igneous
sediments
sedimentary
metamorphic
29
During the rock cycle what forms when magma cools and hardens?
Cementation
Igneous rock
Metamorphic rock
Sedimentary rock
30
Who is the scientist that first proposed the theory of Continental Drift?
Bill Nye
Alfred Wegener
Harry Hess
Albert Einstein
31
What causes the Tectonic plates to move?
They do not move
The ocean waves
Convection currents in the mantle
The moon rays
32
As you travel from the inner core to the crust, how do temperature, and density change?
They would all increase
temperature would decrease, but pressure and density increase
they would all decrease
they would stay the same
33
What does the theory of Continental Drift state?
Plants and animals can drift from one continent to another.
The continents are moving closer together.
The continents on Earth have moved over millions of years.
The continents drift from side to side.
34
What type of rock forms by erosion/weathering and compaction/cementation?
Sedimentary
Metamorphic
Compaction
Igneous
35
Which of the following occurs because of convection currents in molten rock?
Pressure in the crust increases.
Pressure in the crust decreases.
Tectonic plates on the crust move.
The mantle increases in size.
36
How would you model how mountains form?
Shaking up a Dr. Pepper
Mixing up cookie batter
Dropping rocks into a pile
Pushing two towels together
37
When Plates move apart they cause _____________to form?
New sea floor
Ocean Basins
Causes earthquakes & volcanic activity as after effects
All of the above
38
What is the name of the moveable layer under Earth's crust that tectonic plates are located?
Atmosphere
Asthenosphere
Lithosphere
Mesosphere
39
What do we call the top layer of the crust?
core
asthenosphere
lithosphere
mantle
40
What is the state of the crust?
Frozen
Solid
Melted Rock
Liquid
