Before evidence from rocks & fossils, scientists used maps to theorize about Pangaea, observing

the shapes of the continents allowed them to fit together

Ocean floors are most accurately described how?

tops of thin oceanic plates spreading out

The theory of plate tectonics was first rejected by most scientists. What changed their minds?

New evidence was discovered making scientists revise ideas.

Which of the following most accurately describes the movement of lithospheric plates?

They are in constant, but slow motion.

studbud

Earthquakes Review

17 termsStudBud Administration751 plays

Mrs. D's 6th Grade Earth Science Class Plate Tectonics Earthquakes AMSTI

Flashcards17 cardsFPractice quizPHost liveL

Questions 17

Answers

1
Before evidence from rocks & fossils, scientists used maps to theorize about Pangaea, observing
the continents were all bordered by mountain ranges
the shapes of the continents allowed them to fit together
weathering and erosion have reshaped earth's surface
the oceans have become smaller throughout Earth's history
2
Which earthquake wave is faster?
P-wave
S-wave
3
At which type of plate boundary will a rift valley most likely form?
divergent boundary
convergent boundary
rift boundary
transform boundary
4
All of the following are evidence of the theory of plate tectonics except for...
glaciers
fossils
age of rocks
volcanoes
5
How were the Hawaiian islands formed?
plate boundary
subduction zone
hot spot
I lava you
6
The Mid-Atlantic Ridge gives evidence that plates move apart. Rocks farther from the ridge are-
increasingly older
become thicker and older
pieces of old mermaid houses
made of heavier sediments
7
Which of the following faults would most likely not affect Alabama?
Cascadia
South Carolina
Bahamas
New Madrid
8
Scientists know earth is made up of layers because they study
how earthquakes happen
how earthquake waves travel
how to dig deep into the earth
how volcanoes erupt
9
What is formed at convergent boundaries?
ridges
mountains
rift valleys
trenches
10
Ocean floors are most accurately described how?
bottoms of thin continental plates on fault lines
bottoms of thin continental plates spreading out
tops of thick continental plates that move towards mountains
tops of thin oceanic plates spreading out
11
Plates move because of
plumes and upwelling
convection currents in the mantle
Gravity: slab pull and ridge push
all of the above
12
The San Andreas Fault is what type of boundary?
transform
convergent
divergent
a really scary one
13
The interaction of two plate boundaries can cause which of the following?
high winds and drought
earthquakes and volcanoes
tsunamis and tropical storms
hurricanes and tornadoes
14
Who came up with the theory of plate tectonics?
Mrs. Dellinger
Vegener
Wegener
Mr. Plate Tectonics
15
At what plate boundary are ridges formed?
fault
divergent
convergent
transform
16
The theory of plate tectonics was first rejected by most scientists. What changed their minds?
Many more people are studying science now than in the past.
Scientists can now travel underneath the plates and observe.
New evidence was discovered making scientists revise ideas.
Tectonic plates have begun to move faster over time.
17
Which of the following most accurately describes the movement of lithospheric plates?
They are in constant, but slow motion.
They move only under the ocean.
They move only during earthquakes.
They move rapidly at all times.

Earthquakes Review Flashcards | StudBud