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WorksheetsPlanetary Composition
Total questions: 30
Worksheet time: 29mins
Name
Class
Date
1.
Each element has its own wavelength of light it emits/absorbs.
a)
True
b)
False
2.
What's the BEST way to know the chemical composition of a planet?
a)
From their light
b)
Getting a sample
c)
From their density
d)
None of these
3.
When light reaches us from a planet, it has also passed through...
a)
the sun's atmosphere
b)
the earth's atmosphere
c)
Both of these
d)
None of these
4.
When looking at the spectrum of light we get from a planet, what needs to be accounted for?
a)
The Earth's atmosphere
b)
The Sun's atmosphere
c)
The planet's atmosphere
d)
All of the above
5.
Higher density planets contain elements like iron.
a)
True
b)
False
6.
Which moon is the only one with a substantial atmosphere?
a)
Titan
b)
Our Moon
c)
Europa
d)
Ganymede
7.
Does Pluto have an atmosphere?
a)
Always
b)
Never
c)
Only when it is close to the sun
d)
Only when it is far from the sun
8.
Which is false about UV and infrared light?
a)
Not much can pass through our atmosphere
b)
It is not useful in finding a planet's composition.
c)
UV light revealed that Titan contains Nitrogen.
d)
Infrared discovered carbon in Titan's atmosphere.
9.
When light shines on a solid surface...
a)
Some wavelengths are absorbed, while others are reflected.
b)
None of these.
c)
All wavelengths are scattered.
d)
All wavelengths are absorbed.
10.
Solids give off distinct, sharp spectral lines, just like gases.
a)
True
b)
False
11.
Does Jupiter's moon Europa contain an atmosphere?
a)
Yes
b)
No
12.
Europa's surface is made of...
a)
Water Ice
b)
Nitrogen
c)
Methane
d)
Gas only
13.
Which planets have rings?
a)
All Jovian planets.
b)
Only Saturn.
c)
Saturn and Uranus.
d)
Saturn and Neptune.
14.
What makes up Jupiter's outer atmosphere?
a)
Hydrogen and Helium
b)
Iron
c)
Methane
d)
Silicon
15.
What is the storm called on Jupiter that has raged for 300 years?
a)
The Storm
b)
Great Red Spot
c)
Titan
d)
None of these
16.
Which is NOT a terrestrial planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Saturn
17.
Olympus Mons is a ______ on the surface of Mars.
a)
Extinct Volcano
b)
Crater
c)
Valley
d)
Mountain
18.
Terrestrial planets are made up of nickel, iron, silica, oxygen, sulfur and magnesium.
a)
True
b)
False
19.
Jovian planets are NOT ...
a)
Large
b)
High density
c)
Made up of light elements like Hydrogen
d)
More than 5 AU from the Sun
20.
Hydrogen and Helium are gaseous except
a)
At low temperature
b)
At low pressure
c)
None of these
21.
Rock-forming elements are solid except...
a)
at low temperatures
b)
at high temperatures
22.
Methane and ammonia solidify at lower temperatures but can be liquid or gas at higher temperatures.
a)
True
b)
False
23.
The "gas giants" actually have a lot of liquid within their gaseous atmospheres.
a)
True
b)
False
24.
Higher temperature gasses move at slower speeds.
a)
True
b)
False
25.
Lighter elements move slower.
a)
True
b)
False
26.
Terrestrial planets have higher surface temps than the Jovial planets.
a)
True
b)
False
27.
Terrestrial planets don't have much Hydrogen or Helium in their atmosphere for all these reasons except...
a)
They escape!
b)
They have high speeds due to the higher temperatures.
c)
They repel the oxygen.
d)
All of these.
28.
Jovian planets have stronger gravity than terrestrial planets.
a)
True
b)
False
29.
Jovian planets have thin atmospheres.
a)
True
b)
False
30.
The combined mass of Jupiter's atmosphere is GREATER than the mass of the WHOLE Earth!
a)
True
b)
False
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