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Solar System Origin Flashcards | StudBud
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Solar System Origin
Solar System Origin
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Questions
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Answers
1
If rock A had 82.5% of u-238 isotope left, while rock B had 69.2% left, which rock would be older?
Rock B
Rock A
2
Scientists use uranium-238 when dating objects ____________ of years old.
billions
hundreds
thousands
millions
3
Jovian Planets have which characteristics?
Large size with a lot of mass but no solid surface
Smaller planets of gas and several moons
Heavy metal core with low density
Large in size containing a lot of metal
4
Which of the following is not a process that helps geologists study the Earth?
Time
Wind
Glaciation
Rain
5
Which has the greatest number of objects in our solar system?
Moons
Comets
Stars
Asteroids
6
Which of the following may leave behind evidence of Earth's formation?
Glaciers
Animal Activity
All of the answers
Weather
7
Why does the accretion disc flatten?
because of the enormous mass
the lose of gas particles
because of the gravitational collapse
due to the spinning motion
8
When material clumps together and layers while it is rotating this is called...
Nebula
Accretion
Gravitational collapse
protoplanet
9
Which one can actually land on the Earth?
Comet
Asteroid
Meteorite
Meteor
10
Which of the following is just a big cloud of ice?
Planet
Asteroid
Comet
Moon
11
All planetesimals will eventually end up as planets.
True
False
12
If you start with 600 C-14 atoms, approximately how many will be left after 3 half-lives
1000
333
250
75
13
Rocks found more near the surface of the Earth are more likely older or younger than those found deeper?
Older
Younger
14
Which of the following is not formed by the process of accretion?
Nebula
Planetesimals
Planets
Sun
15
Approximately how many stars are in our Solar System?
1
6
8
Thousands
16
The frostline in our solar system is...
Located just before Jupiter and around the asteroid belt
all of the answers
Division between Terrestrial and Jovian planets
Division of planets based on temperature
17
The cause of massive amounts of dust and gas forming a high-heat, high-pressure center is...
frost line
gravitational collapse
terrestrial planets
accretion disc
18
How many Dwarf planets are in the Milky Way?
Thousands
6
1
7
19
If a planet were described as dense, with a metal core, earth-like and warm, it is probably a...
Terrestrial Planet
Jovian Planet
Asteroid
Sun
20
The theory that most scientists agree upon that helps explain the origin of our solar system is?
Theory of Us
Nebular Theory
Theory of water
Theory of Relativity
21
Which of the examples involves water as a geoscience process?
Tree Roots
Burrows
Ice Wedging
Abrasion by wind
