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Our Dynamic Earth
Our Dynamic Earth
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middle school Earth Science
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
Granite is an example of which type of rock
chemical
metamorphic
sedimentary
igneous
2
1980 - Washington State - Which volcanic eruption surprised scientists by erupting somewhat sideways?
Mt. Thera
Mt. Tambora
Mt. St. Helens
Mt. Sinabung
3
Igneous rocks can become sedimentary rocks because of
the carbon cycle
photosynthesis
the rock cycle
the water cycle
4
Mid-ocean ridges are formed at which type of plate boundary?
Convergent boundary
Transform boundary
Divergent boundary
5
The San Andreas Fault in California is which type of plate boundary?
transform
divergent
convergent
6
What does this symbol on a topographic map mean?
depression
train tracks
hilltop
valley
7
Transform plate boundary
Where 2 plates slide past one another
Where 2 plates collide
Where 2 plates separate
Where 2 plates interact
8
The White Cliffs of Dover are an example of
igneous
chemical
metamorphic
sedimentary
9
Most gemstones are
sedimentary
igneous
metamorphic
10
What is weathering?
The movement of rock to a new place
something that changes the water cycle
The breaking down of rocks into smaller pieces
What causes rocks to form
11
What was Pangaea?
An ancient earthquake
An ancient supercontinent
An ancient fossil
An ancient volcano
12
The process by which one tectonic plate is pulled under another plate
subtraction
subduction
sea floor spreading
13
Obsidian is which type of rock?
igneous
metamorphic
sedimentary
14
The crust, mantle, and core are layers of the earth based upon their _____________.
chemical composition
physical properties
15
Which type of rock forms by weathering and may contain fossils
Sedimentary
Granite
Igneous
Metamorphic
16
Who is this and what theory did he propose?
Alfred Wegener, continental drift
Einstein, speed of light
Isaac Newton, laws of motion
17
What are the lines on a topographic map called?
Contour lines
Scale lines
Latitude lines
Grid lines
18
One of the most dangerous side effects of an earthquake is a
blizzard
tornado
tsumani
hurricane
19
The Hawaiian Islands are examples of what type of volcano?
composite
shield
cindercone
20
Deposition means?
demolition
money in the bank
eat dinner
dropping off sediment
21
Convergent plate boundary
Where 2 plates interact
Where 2 plates separate
Where 2 plates slide past one another
Where 2 plates collide
22
Plate Tectonics...
The theory that pieces of Earth's lithosphere are in constant motion
explains biodiversity of living things
23
In the Earth's physical layers, what comes after the lithosphere?
mesosphere
inner core
outer core
asthenosphere
24
The majority of the volcanoes and earthquakes occur on a plate boundary, like the
Ring of smiles
Ring of danger
Ring of lava
Ring of fire
