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Earth Science MidTerm Review Flashcards | StudBud
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Earth Science MidTerm Review
Earth Science MidTerm Review
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Earth Science MidTerm Review
Flashcards
41 cards
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Questions
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Answers
1
True or False: The Big Bang was a giant fiery explosion.
False
True
2
When did the Pangea begin to break up?
2 months ago
200 million years ago
65 million years ago
5 million years ago
3
What is a light year?
How far light can travvel in one year''s time
The speed of light
How long it takes for light to reach the Earth from the sun
none of the above
4
Divisions of time on the geologic time scale are ordered as follows:
Era, Eon, Period, Epoch
Eon, Period, Epoch, Era
Eon, Era, Period, Epoch
Era, Eon, Epoch, Period
5
Which of the following units of measurement is used to measure the distance between stars?
miles
kilometers
centimeters
light years
6
Daylight occurs on earth when:
Our side of the Earth is facing away from the sun
Our side of Earth is facing the moon
Our side of Earth is facing away from the moon
Our side of Earth is facing the sun
7
Label the moons in order, top row only
Whole, crescent, quarter, new
New, Full, New, Crescent
New, crescent, quarter, gibbous
New, gibbous, crescent, quarter
8
Which layer of the Earth is liquid?
Mantle
Inner Core
Outer Core
Crust
9
Is it true that water was found on Mars?
Yes, the rover proved it when samples were studied at NASA
No, that could never be possible
No, That is a governmental conspiracy
No we have not even gotten close to Mars
10
A convergent boundary:
Is where plates are moving together
Is where plates are moving apart
Is where plates are sliding and slipping, rubbing
Is where plates are moving in all directions
11
When viewed from Earth light from distant galaxies shows a red shift, showing the galaxies are:
revolving around the Milky Way
moving away from Earth
revolving around the sun
Moving toward Earth
12
Which of the following best describes the sun?
The sun is a tiny dwarf star of greenish hue
The sun is a medium-sized dwarf star of yellow color
None of the above
The sun is a super-giant, bright red star
13
What does Hubble's law state?
Static radiation is spread across space
The universe is continually expanding
Energy can neither be created nor destroyed
The edge of the universe is 10-15 billion light years away
14
Relative Age is:
Comparing isotopes to see what elements are in the rock
Comparing rock layers to determine when events occurred
Comparing fossils to determine when an organism lived
Comparing isotopes to get the age of a specimen
15
A divergent boundary is:
Is where plates are moving in all directions
Is where plates are moving apart
Is where plates are moving together
Is where plates are slipping, sliding, rubbing
16
When did geologic time begin?
4.6 BYA
62 MYA
6,000 years ago
45 BYA
17
What is the order of the planets?
M, E, Mars, V, U, N, J, S
None of the above
Earth, Mars, Mercury V, N, J, U, S
Mercury, V, E, Mars, J, s, U, N
18
How often does the Earth rotate on its axis?
Every 24 hours
Every 23 hours and 56 Minutes
Every 7 days
None of the above
19
Absolute age is determined by:
Comparing rocks to elements to see what is in them
None of the above
Comparing rocks with isotopes to get the absolute age
Comparing rocks to elements to see what elements are in them
20
A sunspot has the following characteristics:
It is small, cooler than the surface of the sun
It is large, cooler than the surface of the sun
It is small, hot and deep
Small, cooler than the surface, and positive or negative
21
The sun is composed of ____% Hydrogen and __%Helium?
25% and 75%
70% and 28%
28% and 70%
36% and 70%
22
The shift in the spectrum indicates that the start is moving:
Away from the Earth
In a circular orbit around the sun
Toward the Earth
In an elliptical orbit around the sun
23
Seasons are the result of:
The rotation of the Earth around the sun
None of the above
The tilt of Earth's axis
The rotation of the moon around Earth
24
What is the base unit measurement for weight?
grams
degrees
liters
meters
25
What percentage of Earth is covered by water?
15%
22%
36%
71%
26
Tectonic plates are in constant motion. True or False
True
False
27
The sphere that gives off light radiation from the sun is the:
Coronasphere
Photographic sphere
Photosphere
Chromosphere
28
The theory of plate tectonics is attributed to which scientist?
Newton
Wegener
Einstein
None of the above
29
What is the base unit measurement for volume?
grams
liters
degrees
meters
30
During the summer, the Earth is actually __ to the sun than during winter.
Further away
Closer
The same distance
None of the above
31
What is the base unit measurement for length?
meters
grams
liters
degrees
32
Coronal Mass Ejections can be best described as:
Extensions of the core of the sun
Solar Flares that are smaller
Extensions of the radiative zone of the sun
Plasma being ejected from the sun
33
When does Geologic Time end?
In the next 300 years
In the next 1 billion years
4.6 BYA
Never
34
How long does it take the Earth to revolve around the sun?
461.1 days
7 days
365 days
325 days
35
Auroras are created by:
Charge particles from solar wind hit magnetosphere N and S
+ particles from the core hittin the magnetosphere of sun
Charge Particles from atmosphere at equator
None of the above
36
What does a geologic time scale tell us?
History of the solar system
History of the moon
History of time on Earth
History of Life on Earth
37
Which layer of the Earth is solid and made of iron and nickle?
Inner Core
Outer Core
Crust
Mantle
38
Which of the following are included on the electromagnetic spectrum?
Gamma Rays
All of the above
Visible light
Microwaves
39
How was the geologic time scale created?
Rocks put in order by relative age to create geologic column
None of the above
Rocks put in order by scientist opinions
Rocks put in orer by fossil age
40
A transform boundary is:
Is where plates are moving together
Is where plates are moving in all directions
Is where plates are slipping, sliding, rubbing
Is where plates are moving apart
41
How old is our Solar System?
4,600 Years
460,000 years
4.6 BYA
46 million years