1. By Charlotte Beasley and
Charlotte Zinda

3. • Temperature: 800 degrees Fahrenheit to -300 degrees
Fahrenheit
• Gravity:0.37 times Earth’s
• Orbit: takes less than 88 Earth days to orbit the sun
• What it is made out of: core is made of liquid metal and the
mantel is made out of silica
• Density: 13.5 kg/m3
• Water: none
• How it was made: Mercury developed from small dust
particles that formed together to make Mercury
• Fun Fact: Mercury was named after the Roman messenger
god, Mercury

4. • Temperature: up to 900 degrees Fahrenheit
• Gravity: 0.89 times Earth’s
• Orbit: takes 224.7 Earth days to orbit
• What it is made out of: core is made of iron, the mantel is
rocky, and the atmosphere is mostly carbon dioxide
• Density: 5243 kg/m3
• Water: none
• How it was made: dust particles stuck together to make
Venus
• Fun Fact: named after the Roman goddess of love

5. • Temperature:-130 degrees Fahrenheit to 140 degrees
Fahrenheit
• Gravity: 32 ft.
• Orbit: 365.2 Earth days
• What it is made out of: core is made of iron and
nickel, mantel is made of silicon, aluminum, etc., and the
crust is made of oxygen, aluminum, etc.
• Density: 5.52 g/cm³
• Water: lots of it (73%)
• How it was made: dust particles stuck together to make the
Earth!!!
• Fun Fact: you are on Earth right now

6. • Temperature: -166 degrees Fahrenheit to 32 degrees
Fahrenheit
• Gravity: 0.37 times Earth’s
• Orbit: takes 687 Earth days to orbit
• What it is made out of: core is mostly iron and sulfur, mantel
is made of silicates, and the crust is made of basalt and iron
oxide
• Density: 3.94 g/cm3
• Water: none
• How it was made: dust particles stuck together to form Mars
• Fun Fact: The Mars rovers look around Mars
• Fun Fact 2: The Mars candy company makes M&Ms

7. • . "The Rocky Planet." The Inner Planet. Solstation, 05 2. Web.
23 Apr 2012. <http://www.solstation.com/stars/4planets.htm>.
• . "Mercury Facts." Planet facts. AdChoices, n.d. Web. 23 Apr
2012. <http://www.planetfacts.net/Mercury-Facts.html>.
• . N.p., n.d. Web. 23 Apr 2012.
<http://coolcosmos.ipac.caltech.edu/cosmic_kids/AskKids/ven
us_composition.shtml>.
• Dr. David R. Williams, . "Venus/Earth Comparison." Venus fact
sheet. NASA, 201. Web. 23 Apr 2012.
<http://nssdc.gsfc.nasa.gov/planetary/factsheet/venusfact.html
>.
• Coffey, J.. "What is Mars Made Of?." Universe today.
N.p., 2008. Web. 23 Apr 2012.
<http://www.universetoday.com/14702/what-is-mars-made-
of/>.
• Green, Dan. Astronomy. New York: Kingfisher,

9. We hope you took notes (or face the wrath of Shayè).