Geology Section 27.2 Homework: The Outer Planets: Due Tuesday, 2/26/13

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Read Section 27.2, pages 594-598. Answer the questions that follow. Go to this link to watch a video about why Pluto is no longer classified as an outer planet. You need to be on a computer than can access You Tube to view it.

http://www.youtube.com/watch?v=FqX2YdnwtRc&feature=related

Last Name, First Name *

Period (Do not put nd, rd, or th after the number.) *

What are the main characteristics of a Jovian planet? You should describe at least three here. *

Which of the following is NOT a property of the ring systems of Jovian planets? *

Rings consist of many particles in independent orbits around the planet

Rings are closer to the host planet than the major moons

Rings orbit the host planet's equator

Ring systems are extremely thick width wise.

Why does Jupiter have alternating dark and light bands that are parallel to its direction of rotation? *

Jupiter spins very quickly in just under 10 hours

Jupiter has an internal heat source that allows heat to rise to the surface, much like a boiling pot of water

Light from the Sun heats the surface of Jupiter and allows winds to form

Both options 1 and 2 are correct.

Watch the video from the link above in the header of this assignment. You will need to be able to access YouTube to watch this video. Why was Pluto demoted to a dwarf planet? As such, it is no longer listed as an outer planet as your book published in 2002 says it is. *

Saturn has a density that is *

greater than 1 g/mL

less than 1 g/mL

low enough that it would be able to float in water if you had a bath tub big enough

both the second and third options are correct

What element(s) make up most of the combined composition of the Jovian planets? *

Helium

Hydrogen

Nitrogen

Oxygen

Silicon

both options 1 and 2 are correct

True or False. You would be able to see auroras (Northern and Southern Lights) on all of the Jovian planets. *

True

False

What causes the turquoise blue color on both Uranus and Neptune? *

Oceans on the planets are blue, so they appear blue too

Nitrogen and Oxygen in their atmospheres are scattering blue light

Methane gas scatters blue light

The Smurfs live on Uranus and Neptune

Which Jovian planet was tipped almost completely on its side due to a collision with an Earth-size object in the early days of the solar system? *

Jupiter

Saturn

Uranus

Neptune

Weather on Jovian planets is driven by *

heat from within

heat from the Sun

rising columns of gas

differences in temperature

fast rotation

all of the above are correct except for number 2

Which Jovian planets have solid metallic cores? *

Jupiter

Saturn

Uranus

Neptune

Jupiter and Saturn

Uranus and Neptune

Why do Jovian planets have a large amount of moons orbiting them? (Jupiter = 63 moons, Saturn = 47 moons, Uranus = 27 moons, Neptune = 13 moons) *

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