15.
15
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You have been travelling through space, and now you are getting close to planet Mars. What will you see?

1
Would you see oceans of water on the surface of Mars?
2
Would you see craters similar to those on our Moon?
3
Are there volcanoes on Mars?
4
Are there active volcanoes on Mars?
5
Might you see valleys or canyons on Mars?

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Find out more about the geography of Mars from NASA's interactive map at:

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Now label your map of Mars!

Drag the names in the list below to where they should appear on an image of Mars

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One valley on Mars has a Welsh name ‘Mawrth Vallis’ (‘Mawrth’ is the Welsh word for ‘Mars’)

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One very clear feature of Mars is ‘Valles Marineris’, or ‘Mariner Valleys’, a vast canyon system that runs along part of the Martian equator (a line around the centre of the planet). From your spacecraft, it would look like the picture below:

Science Resource Image

Courtesy NASA/JPL-Caltech.

Valles Marineris is about 4000 km long, 500km wide, and 8km deep. By contrast, the Grand Canyon in the United States of America is about 800 km long, 30km wide, and 1.6km deep. Use this information to answer the questions below.

1
How much longer is Valles Marineris than the Grand Canyon?
km
2
What is the area covered by Valles Marineris?
km2
3
How many times deeper is Valles Marineris than the Grand Canyon?
times deeper
Science Resource Image

Chensiyuan

More Information!

You can find out more about Valles Marineris on the NASA website!

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