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Unit 3/Part 1 Review Flashcards | StudBud
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Unit 3/Part 1 Review
Unit 3/Part 1 Review
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Answers
1
At the South Pole, tropical fossils of crocodiles and palm trees have been discovered. What does this indicate?
Those organisms lived in extremely cold temperatures like the South Pole.
The continents have moved.
2
A class is looking at fossils in layers of a cliff. They found fossil of fish in lower layers. Which conclusion is best?
The area used to be under water.
The climate in the area used to be much warmer.
3
Magma in the mantle is heated, causing it to rise to the crust, then sink as it cools, convection currents move plates
true
false
4
a seamount mount does not reach above the ocean
false
true
5
Which of these statements is correct?
silica sand on beaches is strong evidence that Earth has changed
Fossils found on different continents are evidence Earth has not changed
Fossilizd fish on the tops of mountains shows Earth has changed ver time
distinct layers in Earth surface shows surface has not changed over time
6
From least to most dense, what is the correct order of Earth's four major layers?
crust, mantle, inner core, outer core
inner core, outer core, mantle, crust
inner core, outer core, crust, mantle
crust, outer core, mantle, inner core
7
What does the theory of continental drift state?
continents are separate may one day drift together to form a single one
all continents were one continent that drifted apart over millions of years
8
Mid-ocean ridges, rift valleys, and trenches are thought to
occur in the middle of tectonic plates.
mark the boundaries between tectonic plates.
9
What makes up the lithosphere?
the upper and lower mantle
the crust and upper mantle
the crust and upper mantle
10
What are e and f?
volcanic island and continental slope
volcanic island and continental shelf
11
What are c and d
trench and mid ocean ridge
abyssal plain and mid ocean ridge
12
Which conclusion can be drawn based on the relative age of the fossils in the diagram?
The area experienced change from water environment to a land environment
The area experienced change from land environment to a water environment
13
What similarity at point A and point B would
best
support the theory of plate tectonics?
similar cultures
similar fossils
14
What can we learn by studying fossils?
How Earth's environments have changed
How strong earthquakes are caused
15
In which of Earth's layers are the convection currents
inner core
outer core
crust
mantle
16
The tectonic plates are made of a combination of the crust and the uppermost part of the mantle. What is this called?
upper mantle
Asthenosphere
lithosphere
convection currents
17
What is the source of the magma that erupts from a volcano
crust
inner core
mantle
outer core
18
Temperature differences in the mantle set up convection currents that help to drive the movement of Earth's plate
false
true
19
Scientists find a fossil of a fish on top of a mountain. What does the fossil tell us about how this area has changed?
oceans can change quickly and become land.
the mountain may have been under water and was raised by natural processes.
20
Which event is
most likely
to occur when tectonic plates slide past one another
volcanoes
sinkhole tu
tsunamis
earthquakes
21
What is a and b
Continental slope and seamounts
abyssal plain and seamounts
22
A fish fossil found on top of a mountain. What does the fossil provide about the way this area changed over time?
It shows that oceans can change quickly and become land.
It shows that the animals found on the mountain today evolved from fish.
It shows that fish were once able to live without water.
the mountain may once been under water and was raised by natural processes.
23
Which of these statements is correct?
Fossils found on different continents are evidence Earth has not changed
fish fossils found on tops of mountains are evidence that Earth has changed
24
Moose only survive in colder climates. Which would
likely
explain finding moose fossils in an area with a warm climate
The fossils were washed to the area by a current of water.
All organisms used to be able to survive in warm climates.
The moose migrated to a warm area to reproduce.
The area used to have a much colder climate.
25
How does tectonic plate movement cause a volcano to form
tectonic plate moves away from another tectonic plate, magma rises and cool
One plate moves under another, crust melts, hot magma rises to surface.
26
Why do the areas along the "Ring of Fire" experience many volcanic eruptions and earthquakes?
There are powerful ocean currents in the Pacific.
There are numerous tectonic plate boundaries.
There is strong tidal activity along the coasts.
27
Which layer of Earth is thought to be entirely liquid
crust
inner core
outer core
mantle
28
All of the following provided evidence for Wegener's Continental Drift hypothesis
EXCEPT:
Evidence of changes in climates over time on land.
Investigating fossils on different continents.
Measuring the distance between continents over his lifetime.
Examining the geology of continents.
29
the layer that is thin, rocky, and is the least dense of all Earth's layers is called
upper mantle
crust
mante
lithosphere
30
Magma rises to become new oceanic crust where
two plates separate and move apart from one another.
two plates meet and collide with one another.
