The Mystery Of Mars
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Mars is considered the only planet other than the earth that can sustain life. The pathfinder opened avenues for exploring the red planet. How much did you get to learn about what could be man’s second home from this interesting book by Sally Ride? Take the quiz below to find out. Have fun!
- 1.Which of these landers carried Sojourner?
- A.
Viking 1
- B.
Viking 2
- C.
Pathfinder
- 2.On Earth, carbon dioxide and oxygen are
- A.
Forms of water
- B.
Both gases
- C.
Kinds of dirt
- 3.How is life on Earth protected from the extreme conditons in space?
- A.
LIfe on Earth is protected by the atmosphere.
- B.
Life on Earth is protected by the carbon dioxide and other gasses.
- C.
Life on Earth is protected by the moon.
- 4.Why did the scientists heat samples of soil from Mars?
- A.
They were checking if water existed on the planet.
- B.
They were testing if the soil could be used to grow seeds.
- C.
They were watching for gases that would be released if organic molecules were present.
- 5.
- A.
The Sojourner moved around on flexible tripods.
- B.
The Sojourner moved around on six wheels that were at the end of flexible legs.
- C.
The Sojourner moved around on 12 wheels that were at the end of sturdy legs.
- 6.Why did scientists guide the Viking and the Pathfinder landers to gently rolling Martian plains?
- A.
They did not want to risk landing them on the edge of a cliff or the side of a volcano.
- B.
They were looking for evidence of water, and the plains showed some evidence.
- C.
They were testing the smoothness of the wheels, and the plains were more gentle.
- 7.What is missing from Mars that would make it livable like Earth?
- A.
Mars is missing it's own moon that would allow for day and night, like Earth.
- B.
Mars is missing the correct gravitational pull from the sun, that would make it a livable place.
- C.
Mars is missing the air and water that would make it a livable place.
- 8.Why would an astronaut on Mars need a spacesuit?
- A.
An astronaut on Mars would need a spacesuit because the air is so thin.
- B.
An astronaut on Mars would need a spacesuit because the air is so thick.
- C.
An astronaut on Mars would need a spacesuit because the atmosphere is so thick.
- 9.Which of these contrasts is correct?
- A.
Earth revolves around the sun and Mars does not.
- B.
Mars is a planet and Earth is not.
- C.
Earth has liquid water and Mars does not.
- 10.On Mars, water can not exist as
- A.
A liquid
- B.
An ice
- C.
A vapor
- 11.The little robot was called a "geologist." A geologist is someone who
- A.
Teaches others about space
- B.
Drives a truck for a living
- C.
Studies rocks and earth
- 12.Another experiment looked for organic molecules, the molecules that make up living things. In this sentence, organic means
- A.
Ancient
- B.
Man-made
- C.
With carbon
- 13.Scientists know that meteorites hit the Martian surface. What is a meteorite?
- A.
A small body that flew through space
- B.
A large boulder that is found on Mars
- C.
A colorful sunsest seen from space
- 14.What is interplanetary dust?
- A.
Dust that can only be seen at night
- B.
Dust that is found in space
- C.
Dust that is found at the center of the planets
- 15.Earth is surrounded by an atmosphere. The earth's atmosphere is
- A.
A fine red layer of red dust
- B.
A thin layer of ice
- C.
A protective layer of air
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