Basics
Geology
Hydrology
Climate
Misc.
100
What is the main element in the atmosphere of Mars?
Carbon Dioxide
100
How is the surface of Mars?
Rocky and Dusty
100
Why can't water exist on Mars?
Cold temperatures and Low atmospheric pressure
100
Is Mars colder or hotter than Earth?
colder
100
What is the size of Mars compared to that of Earth?
1/2 diameter
200
What is the nickname of Mars?
"The Red Planet"
200
Why is Mars red?
A lot of iron in the rocks.
200
What did NASA's Mars Odyssey detect near the surface of Mars?
Hydrogen rich polar deposits - indicating large quantities of water close to the surface
200
What is the average temperature on Mars?
- 80 degrees F
200
Mars makes a complete orbit around the Sun in how many days?
687
300
What the 4th planet from the sun?
Mars.
300
What is the largest volcano in the solar system?
Olympus Mons
300
What did the Phoenix Mars lander touch in the Martian Arctic?
Water ice
300
What blankets the entire planet for months?
Giant dust devils of iron oxide.
300
The atmosphere of Mars is dominated by which gas?
Carbon Dioxide
400
The only traces of water on Mars are where?
the polar ice caps
400
What is the largest canyon in the solar system?
Valles Marianus
400
Soil chemistry experiments led scientist to believe what?
There was a Wetter and warmer climate in the recent past
400
What happens to the polar ice caps on Mars?
They grow and recede with the seasons.
400
What are the chemical building blocks of life?
carbon-based molecules
500
Mars is named after the Roman god of what?
The God of War
500
Which lander returned data about the martian soil?
Phoenix Lander
500
What other rover found water near its site?
Spirt
500
How much further is Mars orbit from the Sun than Earth's?
1.5 times farther
500
What is the percentage of oxygen in Mars' atmosphere?
0.14%
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