Download The Gas Planets

The Gas Planets
Quick Write
In this chapter, you will
learn about the gas planets.
Write down these questions and
answer them in complete sentences.
1. What’s a difference between gas
and terrestrial planets?
2. What’s the name of the biggest of
all planets?
3. Is Pluto a planet?
1. Gas planets vs. terrestrials?
•Much larger than terrestrial
planets
•Much farther away from the
Sun
•Distances between them is
much bigger than terrestrial
planets
2. Jupiter?
•Largest planet in SS
•70% of all the mass of the
planets is found in Jupiter
•4 major moons
•12 minor moons
3. Jupiter’s rotation?
Very rapid (1 spin
every 10 hours)
4. Saturn?
•2nd largest planet
in solar system
•Has visible rings
•Has 18 moons
Check for Understanding
What’s one difference between
gas planets and terrestrial planets?
______ is the largest planet in the SS,
while ______ has noticeable rings.
Movie
5. Saturn’s rings?
•Pieces of rock and ice
•Rings are leftover debris
from a collision between
Saturn and a moon
•7 major rings
6. Uranus? (pronounced
‘urine us’)
•Discovered accidentally
•At least 18 moons
•At least 10 rings
•AS = CH4
•Sideways rotation
7. Neptune?
Diffs in the orbit of
Uranus suggested that a
very massive object
existed. They looked
and found Neptune.
8. Neptune moons?
Yes, 8 of them.
9. Pluto?
•Now considered to be a
‘planet-like object’
•Very low density
•Very small
•½ ice and ½ rock
•N. Pole points S
•1 moon
Check for Understanding
1.
2.
3.
4.
Jupiter
Saturn
Uranus
Neptune
Match the following:
a. 8 moons, found accidentally
b. most massive planet in SS
c. 2nd largest, visible rings
d. atmosphere of methane
Should Pluto be considered a planet?
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