1. Inner and Outer Planets
Chapter 14 Section 2 + 3

2. Inner Planets Can you identify all of the inner planets?
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3. Mercury Nearest to sun Size of our moon Long days (59 Earth Days)
Short Years
(88 Days)
Gravity is weaker
No air pressure
Almost no atmosphere
Winds _________
Temperature ________

4. Venus Visible to naked eye Mistaken for a star Earth’s Twin Same Size
Same Core
Bad Atmosphere
Why?
Gravity is weaker
Atmosphere is thick
Pressure is greater
Temperature ________

5. Mars Reddish Glow Hostile Environment Volcanoes Canyons
Less than .2% oxygen
Gravity is much weaker
Atmosphere is thin
Pressure is very small
Temperature ________
Why?

6. Match the description to the planet.

7. Outer Planets Can you list the outer planets in order?
What is the one exception to these outer planets?
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8. Jupiter Gas Giant Largest Planet Holds 1,200 Earths Dozens of Moons
Storms and Winds
400 mph
Changing Temp.
Gravity is much more
Atmosphere is stormy
Pressure is huge!

9. Neptune Gas Giant Long Year 165 Earth Years Gravity is slightly more
Atmosphere is stormy
Winds are strongest!
1,300 mph
Pressure is greater

10. Saturn Gas Giant Farthest Planet to be seen w/o telescope
Gravity is slightly less
Atmosphere is thick
Hydrogen & Helium
Rings
Ice and Rock Chunks
Core = Size of Earth! Whole planet is almost 10x larger.

11. Uranus Gas Giant Tiled on it’s side Axis points toward Sun Rings
Atmosphere is “Smoggy”
Hydrogen & Helium
Pressure like Earth’s
Temperature 4,200 F
Winds are strong
Gravity is almost the same!

12. What’s the deal with Pluto?

13. What’s the deal with pluto?

14. What’s the deal with Pluto?