Impact craters, volcanoes, dry river beds, dry river valleys, dry lake beds,angular surface patterns from alternate freezing and thawing,lava flow areas, sand dunes, fractures, and wind streaks.
100
What type of weather has been abserved on Mars?
Dust storms
100
Name one land form that is evidence that water once existed on Mars.
Dry River Beds, Dry River Valleys, and Dry Lake Beds
100
True or False. Mars and Earth both have nitrogen in the air.
True
100
How many marshain hours in a day?
24.7 hours
200
How is the rock cycle on Mars different from Earth?
Rocks cannot reheat into new rocks.
200
How does the absence of water on Mars effect its surface temperature?
It is colder.
200
True or False.Mars was once able to support life.
True
200
MArs and Earth are both tilt on an axis. Which planet is tilted farther.
Mars (25)
200
How many days are in a marshian year?
687 days
300
True of False. Weathering does not affect Mars' rock cycle.
False
300
What forms is water found as on Mars?
Polar ice caps and as Gas
300
Was methane once found on Mars?
Yes.
300
Which planets gravity is stronger Mars or Earth?
Earth
300
How do new rocks form on Mars?
Weathering and Volcanoes
400
If you weigh 200lb on Earth how much would you weigh on Mars?
76lb
400
How are Mars' seasons different from Earth's?
There is no precipitation
400
True or False. Mars once had liquid water but now has no traces of any water.
False
400
What do Mars and Earth have in common with their seasons?
Have 4, same seasons (Spring, Summer, Fall, Winter)
400
What forms can water be found as on Mars?
Polar Ice Caps and Water Vapor
500
On Mars where do new rocks come from?
Weathering
500
What are the most abundant gases found in Mars' atmosphere?
Carbon Dioxide and Nitrogen
500
What is the cause of the disapearence of water on Mars?
Low Gravity
500
Like Earth, Mars has atleast one moon. What are the names of Mars' moons?