Planetary Composition, Moons, and Atmospheres

Planetary Composition

100

1. What planet in the solar system has the largest density?  What planet has the smallest density?

1. Largest: Earth

2. Smallest: Saturn

200

1. What part of the planet (crust, mantle, inner core, and/or outer core) is most of Mercury’s, Venus’s, Earth’s, and Mars’s iron located?

Inner core and outer core

300

1. What jovian planet has the largest percent composition of hydrogen (H)?

    Uranus

400

1. What terrestrial planet has the largest percent composition of iron (Fe)?

Mercury

500

1. Neptune has a density of 1.64 g/cm3.  Will Neptune float or sink in water?  (Hint: Water has a density of 1.0 g/cm3.)

Neptune will sink because objects with a density greater than water sink.

Moons

100

1. How many moons do each of the following planets (and dwarf planet) have?

1. Mars: 2

2. Jupiter: 95

3. Saturn: 146

4. Uranus: 27

5. Neptune: 14

6. Pluto: 5

200

1. What are TWO physical differences between Mars’s moons?

• 
  

  1. Phobos is larger than Deimos.

  2. Phobos has a large crater (unlike Deimos).

300

1. How many of Jupiter’s moons did Galileo see with his telescope?  

4

400

What are Uranus’s moons named after?

Uranus’s moons are named after Shakespearian characters.

500

1. What planet has the hottest average temperature?  What planet has the coldest average temperature?

1. Hottest: Venus

2. Coldest: Neptune

Atmospheres

100

1. What is the surface pressure of Earth (unit: bar)?

1 bar

200

What planet(s) has/have less surface pressure than Earth?  What planet(s) has/have more surface pressure than Earth?

Less: Mercury and Mars

More: Venus

300

1. What planet has the hottest average temperature?  What planet has the coldest average temperature?
   
   

1. Hottest: Venus

2. Coldest: Neptune

400

What element/compound makes up the majority of Venus’s atmosphere?

Carbon dioxide

500

What element/compound makes up the majority of Earth’s atmosphere?

Nitrogen

Mars

100

what is mars known as

The God of War

200

How many moons does mars have?

2

300

How long does it take to orbit mars 1 time?

30 hours

400

describe the theme of mars and its moons

war, aggression, fear, and human exploration

500

mars is not called the red planet

true or false

false, it is called the red planet

Jupiter

100

what is jupiter known as?

the king if the gods

200

how many moons does jupiter have?

95

300

what are jupiter's moons names after?

lovers of zeus

400

does jupiter's moons orbit in the same direction?

No, they do not orbit in the same direction

500

what does the outer moons orbit in?

counterclockwise