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CBA #3-Earth Systems Flashcards | StudBud
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CBA #3-Earth Systems
CBA #3-Earth Systems
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Earth's Systems
Flashcards
19 cards
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Questions
19
Answers
1
The transform boundary on either side of the fault represents what....
The relative movement of tectonic plates
Volcanic eruptions
Rock formations
The relative movement of air masses
2
Which evidence supports the idea that the landmasses on Earth were once in these positions?
Bedrock in Australia & Greenland have glacier scratches
North America & India have matching mountain chains
Madagascar & India have similar shapes
Matching rock layers can be found in Africa & South America
3
What is a Convergent Boundary?
When two plates run into each other
When two plates slide horizontally past one another
When two plates pull away from each other
4
How are Igneous rocks formed?
Slow-cooling magma or lava
Can have many air holes
Can be shiny, like glass
Caused by Heat and Pressure
5
How are Metamorphic rocks formed?
Bands of dark & light layers
Made from other rock under extreme heat & pressure
May have veins, such as marble
6
What causes the Ring of Fire?
It is located at the boundaries of tectonic plates
It is located where the ocean temperature is the highest
It is located at the boundary of deep & shallow water
It is located where the major currents meet
7
How did Harry Hess contribute to the idea that the continents were moving?
Advanced the idea of the Periodic Table
Advanced the idea of Continental Drift
Advanced the idea of Pangaea
Sea floor spreading was the force that moved the continents
8
Studies of earthquake waves have helped scientists determine what...
Depth of the oceans
Cause of dinosaur extinction
Age of the Earth
The structure of the Earth's interior
9
How do ancient glaciers provide evidence for Alfred Wegener's idea?
Evidence of sea floor spreading
Evidence of fossils
Evidence of the direction of glacier movement
Evidence from Mountain Ranges
10
Which of these is most likely to occur, as metamorphic rocks become igneous rocks?
Sediments are deposited
Solid melts to form a liquid
Rocks become uplifted
Weathering & Erosion occurs
11
Which two processes result in the formation of igneous rocks?
Melting & Solidification
Crystallization & Cementation
Sedimentation & Evaporation
Compression & Precipitation
12
What is Pangaea?
7 Continents
Supercontinent
What are you talking about?
13
Which of these best describes the relationship between Earth's layers?
The hottest layers are closest to the core
The more liquid layers are closest to the crust
The lightest layers are closest to the core
The more metallic layers are closest to the crust
14
What is a Divergent Boundary?
When two plates slide horizontally past one another
When two plates run into each other
When two plates pull away from each other
15
How are sedimentary rocks formed?
Can show many layers
Layers of mud, shells of animals are pressed together
Can contain fossils
16
What type of plate movement results in mountain building?
Divergent
Convergent
Transform
17
What is a Transform Boundary?
When two plates slide horizontally past one another
When two plates pull away from each other
When two plates run into each other
18
Who was Alfred Wegener?
Who?
Advanced the idea of the Supercontinent he called Pangaea
Advanced the idea of Sea Floor Spreading
19
Name the Earth's layers...
Inner core, Crust, Outer Core
Inner core, Outer core, Mantle, & Crust
Crust, Mantle, & Inner core
Mantle, Crust, Inner core, & Outer core
