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Our Solar System and Earth
Our Solar System and Earth
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#bighistoryproject #solarsytem #earlyearth
Flashcards
56 cards
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Questions
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Answers
1
Which of these planets is the hottest?
Neptune
Mars
Uranus
Venus
2
Why
does the Professor Alvarez say that “
atmospheres and oceans forget but rocks remember
”?
Liquids and gases stay the same for long periods of time.
The atmosphere has evidence of asteroid impacts.
Solids stay the same for long periods of time.
The rocks are able to talk but the sky is not.
3
Which of these celestial bodies is the largest?
Pluto
Ceres
Jupiter
Ganymede
4
What does
celestial
mean?
in the trees
in the ground
below the sea
in the sky
5
Did the other scientists believe Wegener about Pangea and continental drift?
No
Yes
6
How old is the Earth?
4.5 billion years
10 years
1,000 years
13 billion years
7
One byproduct of the Earth’s
metallic core
is the fact that it creates ____.
a cloud layer
a magnetic field
an atmosphere
an ozone layer
8
With current technology we could take everyone on the planet to a new planet or moon.
false
true
9
The Earth’s crust
float
upon the
slowly moving rock
of the ________________.
inner core
mantle
ocean
atmosphere
10
What is a
telescope
?
a map of space
a device for healing babies
a device for looking at planets
a way of listening closely
11
The
geological record
can tell us about
climate patterns
on the Earth.
True
False
12
What bubbled up from the core to form most of the atmosphere?
nickel
iron
nitrogen
carbon
13
What does the word
geology
mean?
science of Earth’s composition and history
an edible mollusk that may produce a pearl
a person’s natural attitude to most things
14
Which of these celestial bodies is the farthest away from us?
Io
Mercury
Saturn
Pluto
15
When venturing out to study in the field, a
geologist
would most likely bring a _____ with her.
mousetrap car
rock hammer
calculator
telescope
16
What is
mass
?
the age of an object
the weight of an object
inertia in an object
the size of an object
17
Compared to stars, planets are incredibly large.
true
false
18
When a planet travels directly in front of a star, what is is called?
accretion
rotation
vacuum
transit
19
Transit is when a planet ___ the star it orbits, temporarily dimming the light from that star.
accelerates towards
crosses in front of
rebels against
grows as large as
20
Which of these celestial bodies is the closest to us?
Ceres
the moon
Mars
Pluto
21
A major problem in finding exoplanets is that compared to their star, they are very ___.
fast
faint
bright
colorful
22
Jupiter-sized planets found close to a star are called __ Jupiters.
tiny
new
cold
hot
23
What is a
system
?
a collection of items
a single part
a group of unrelated parts
parts that work together to make something
24
What could Wegener not figure out to explain continental drift?
how the continents were connected
how big the continents were
how the continents were arranged
how the continents moved
25
Geology
is the study of what?
matter, energy, motion, and force.
the properties and interactions of astronomical bodies.
the Earth, including its composition and history.
elementary forms of matter
26
Why do we need to know about exoplanets?
One day they will no longer exist.
One day our planet will be too boring to stay on.
One day our sun will die.
One day the aliens will be sent to destroy us.
27
What was the Kepler telescope?
examines the planets within our Solar System.
looking for exoplanets by focusing on a patch of stars.
satellite that orbited Earth and looked at the Sun.
built on Mt. Everest in 2009.
28
Which does NOT qualify as
evidence
for Alfred Wegener’s theory of
continental drift
?
The shapes of the continents
The height of Mt. Everest
Fossil evidence
Similarities of geographic features
29
Early Earth was so hot that it melted.and the
lightest elements bubbled up
atmosphere
mantle
crust
core
30
The Earth’s
core
is made up of a
very dense metallic
substance.
False
True
31
What can you study to help you prepare for tomorrow's test?
Math homework
Unit 2 on the BHP website
Unit 4 on the BHP website
4.0-4.3 Quiz
32
After today, how many days are left in the semester?
1
3
2
4
33
Scientists think our galaxy probably has about ___ Earth-like planets.
15
0
2 million
10 billion
34
Why
did the dust and other materials orbiting the early Sun begin to accrete)?
First and second laws of thermodynamics
They froze together
Gravity and electrostatic forces
They melted together
35
The Kepler telescope found how many confirmed exoplanets by early 2015?
none
10
1,000,000,000
1,000
36
What is the longest of the
major divisions of time
geologists use?
eras
epochs
eons
ages
37
The young Earth was a hospitable (nice) place for
life
.
False
True
38
90% of the Earth is composed of
heavier elements that were created in
___.
a supernova
accretion
the Big Bang
a Big Boom
39
What is
gravity
?
a type of plant from the Amazon
force pulling toward the center of mass
a food eaten in Ethiopia
how large an object is
40
Which telescope was designed specifically to search for exoplanets?
Kepler
Curie
Hubble
Einstein
41
What does
geocentric
mean?
Having the Sun as the center
Having a person as the center
Having the Moon as the center
Having the Earth as the center
42
When fleeing the surface of the Earth, what might
limit
where we can go?
number of people we take
the number of stars in the sky
amount of fuel
the size of the universe
43
What does
heliocentric
mean?
Sun at the center
Fish at the center
Earth at the center
Moon at the center
44
What makes our solar system a SOLAR system?
the sun
the shape
the planets
asteroids
45
Which of these is an exoplanet?
Jupiter-24m
Kepler-69c
Pluto-34k
Earth-76y
46
What does
origin
mean?
the beginning
the middle
everything
the end
47
Exoplanets are typically found around specific types of stars.
false
true
48
According to Professor Alvarez, what are the
two major types
of geologists?
Those that study Earth history
Those that study Earth's populations
Those that study the stars
Those that study Earth processes, like volcanic eruptions
49
Which of the following is NOT one of the reasons the early Earth was so
hot
?
It was much closer to the Sun during the Archaean eon
Pressure generated by chemical differentiation
Radiation from elements created in nearby supernovae
Meteor and asteroid impacts during accretion
50
Compared to stars, planets are incredibly tiny.
True
False
51
Which are types of
tools
that
geologists
use to study rocks?
hammer
electron microprobes
sewing machine
kiln
52
Why would scientists be interested in comets and asteroids?
They contain water and rocks dating back billions of years.
They are potential collision targets for the Earth.
They are very newly formed.
They are more hospitable to life than Earth.
53
Why is Earth different from Neptune?
Neptune is smaller
Neptune has fewer elements
Most of the Earth's gases were blown away by the sun
Earth has a dense core
54
___________________ is a planet
outside
of our Solar System.
An asteroid
An exoplanet
A planetesimal
A star
55
What shape is the orbit does a planet have if it is moving in an
oval
shape?
plate
ellipse
sphere
cube
56
What are exoplanets?
Planets with a protective shell.
Unnamed planets within our Universe.
Moons of other planets.
Alien planets that are found outside of our Solar System.
