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Mars Trivia Quiz

This is my quiz on the planet Mars. It's the third of my planets quizzes. If you know Mars it's pretty easy. Have fun and good luck! (Watch for the Jupiter quiz, coming soon)

A multiple-choice quiz by GeniusBoy. Estimated time: 5 mins.

Author
GeniusBoy

Time
5 mins

Type
Multiple Choice

Quiz #
17,145

Updated
Dec 03 21

# Qns
15

Difficulty
Tough

Avg Score
9 / 15

Plays
2415

Last 3 plays: angostura (15/15), Guest 104 (9/15), Nhoj_too (9/15).

One at a Time - Single Page - Timed Game

Question 1 of 15

1. The atmospheric pressure on Mars is only ___ that of earth. Fill in the blank? Hint

one two-hundreth

one seventy-fifth

one fiftieth

one one-fiftieth

NEXT>

Question 2 of 15

2. Mars is inclined to its orbital plane at an angle of ___. Fill in the blank? Hint

25.2 degrees

26.8 degrees

23.5. degrees

25.7 degrees

NEXT>

Question 3 of 15

3. 95 percent of the Martian atmosphere is composed of what? Hint

argon

oxygen

nitrogen

carbon dioxide

NEXT>

Question 4 of 15

4. The temperature of Mars is what? Hint

25 K

100-400 K

400-500 K

50-100 K

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Question 5 of 15

5. What Italian astronomer reported that he had discovered canali (which means channels in Italian) on Mars? Hint

Galileo Galilei

Giovanni Schiaparelli

Percival Lowell

Edwin Hubble

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Question 6 of 15

6. Why does Mars appear red? Hint

iron oxide on surface

that's just an illusion

it is volcanic and covered in lava

unknown

NEXT>

Question 7 of 15

7. The surface gravity of Mars (compared to Earth) is what? Hint

0.50

0.38

0.98

0.47

NEXT>

Question 8 of 15

8. What is the name of the tallest mountain on Mars? Hint

Mount Everest II

Olympus Mons

there are no mountains on Mars

Marineris Mons

NEXT>

Question 9 of 15

9. How tall is the tallest mountain on Mars? Hint

over 20 miles high

around 15-17 miles high

about 10 miles high

just under 8 miles high

NEXT>

Question 10 of 15

10. The Martian 'Grand Canyon' is known as what? Hint

Valles Marineris

Valles Exploreris

Valles Pioneris

Valles Voyageris

NEXT>

Question 11 of 15

11. This Martian 'Grand Canyon' runs for how many miles? Hint

3,000 miles

8,000 miles

950 miles

2,500 miles

NEXT>

Question 12 of 15

12. What is the name of the larger of Mars' two moons? Hint

Deimos

Phobos

Ganymede

Titan

NEXT>

Question 13 of 15

13. What was the name of the Martian meteorite that caused a stir in 1996 because it seemed to show signs of bacteria in it? Hint

AHL91006

JPL96003

ALH84001

MAR87008

NEXT>

Question 14 of 15

14. How many hours does it take for Mars to rotate once on its axis? Hint

24 hours

24.6 hours

26.3 hours

25.4 hours

NEXT>

Question 15 of 15

15. What is the radius of Mars? Hint

3,874 miles

2,108 miles

2,983 miles

4,019 miles

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Most Recent Scores

Dec 28 2024 : angostura: 15/15
Dec 14 2024 : Guest 104: 9/15
Nov 28 2024 : Nhoj_too: 9/15
Nov 26 2024 : hosertodd: 14/15
Nov 23 2024 : eragg1234: 3/15
Nov 21 2024 : Guest 136: 11/15
Nov 08 2024 : DIOSTHENES: 8/15

Score Distribution

Quiz Answer Key and Fun Facts

1. The atmospheric pressure on Mars is only ___ that of earth. Fill in the blank?

Answer: one one-fiftieth

2. Mars is inclined to its orbital plane at an angle of ___. Fill in the blank?

Answer: 25.2 degrees

The angle of tilt of Mars is very similar to the Earth's. The Earth is inclined at an angle of 23.5 degrees.

3. 95 percent of the Martian atmosphere is composed of what?

Answer: carbon dioxide

4. The temperature of Mars is what?

Answer: 100-400 K

5. What Italian astronomer reported that he had discovered canali (which means channels in Italian) on Mars?

Answer: Giovanni Schiaparelli

Percival Lowell read a translation of Schiaparelli's report, but in the translation he read canali had been converted to canals, which is totally different and suggests intelligent life. He dedicated much of his considerable family fortune on observing Mars and trying to find out what kind of life lived there, creating canals.

6. Why does Mars appear red?

Answer: iron oxide on surface

7. The surface gravity of Mars (compared to Earth) is what?

Answer: 0.38

8. What is the name of the tallest mountain on Mars?

Answer: Olympus Mons

9. How tall is the tallest mountain on Mars?

Answer: around 15-17 miles high

10. The Martian 'Grand Canyon' is known as what?

Answer: Valles Marineris

11. This Martian 'Grand Canyon' runs for how many miles?

Answer: 2,500 miles

12. What is the name of the larger of Mars' two moons?

Answer: Phobos

13. What was the name of the Martian meteorite that caused a stir in 1996 because it seemed to show signs of bacteria in it?

Answer: ALH84001

The ALH stands for Allan Hills, the region of Antarctica where it was discovered. The 84 is the year in which it was discovered (1984) and the 001 means that it was the first metoerite found that year.

14. How many hours does it take for Mars to rotate once on its axis?

Answer: 24.6 hours

Only a little longer than 1 Earth day.

15. What is the radius of Mars?

Answer: 2,108 miles

Source: Author GeniusBoy

This quiz was reviewed by FunTrivia editor gtho4 before going online.
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