Planet Mars

Mars, located 75 million kilometers from Earth, is a planet with no known life. It has seasons, with ice caps that change size and may occasionally melt, forming rivers and valleys. The atmosphere is extremely thin, and the surface is marked by craters, canyons, and volcanoes. Despite the harsh conditions, the possibility of life is not entirely dismissed. Mars has two small moons, Phobos and Demas.

How far is Mars from Earth?

• 125 million kilometers

• 75 million kilometers

• 50 million kilometers

• 100 million kilometers

What happens to Mars' ice caps as the seasons change?

• They turn into clouds

• They disappear completely

• They remain the same size

• They change size

How does the thickness of Mars' atmosphere compare to Earth's?

• It is 100 times thinner

• It is 300 times thinner

• It is the same as Earth's

• It is 200 times thinner

Which is the largest volcano on Mars?

• Mount Everest

• Mauna Kea

• K2

• Olympus Mons

What is the length of Phobos, one of Mars' moons?

• 30 miles

• 17 miles

• 25 miles

• 10 miles