Mars

Mars's atmosphere contains what percentage of carbon dioxide?

• 70%

• 27%

• 95%

• 10%

Mars is the ________ planet from the sun.

• 5th

• 4th

• 3rd

• 9th

Astronomers are convinced that liquid water was present on Mars in the past because

• The surface has water erosion features.

• Mars has sedimentary rocks.

• Mars was much warmer and had a thicker atmosphere in the past.

• All of the above.

What is the primary reason Mars appears red?

• Its atmosphere

• Its oceans

• Iron oxide (rust) on its surface

• Reflection from the Sun

What is the name of the largest canyon in the Solar System, and on which planet is it located?

• Grand Canyon on Earth

• Valles Marineris on Mars

• Ithaca Chasma on Saturn's moon Tethys

• Verona Rupes on Uranus' moon Miranda

If you weighed 100 kg. on Earth, you would weigh_____kg. on Mars

• 100 kg.

• 38 kg.

• 83 kg.

• 200 kg.

A year on Mars is how many days?

• 687 days

• 365 days

• 88 days

• 6 days

The largest valley/canyon in our solar system is on Mars and is named

• Firstus Greatus

• Valles Marineris

• The Grand Canyon

• Bryce Canyon

How long is a Martian day?

• 14 hours

• 39 hours

• 24 hours 39 mins

• 36 hours

What's the average temperature on Mars?

• 68 degrees C

• 16 degrees C

• Minus 170 degrees C

• Minus 60 degrees C