3. • a. Jupiter
• b. Saturn
• c. Uranus
• d. Neptune
5. What is the most dense planet in the Solar System?
• a. Mercury
• b. Venus
• c. Earth
• d. Mars
6. Where is the tallest mountain in the Solar System?
• a. Mercury
• b. Venus
• c. Earth
• d. Mars
7. How many planets are known to have life?
• a. 0
• b. 1
• c. 2
• d. 3
8. What is the most abundant element in the Solar System?
• a. oxygen
• b. helium
• c. carbon
• d. hydrogen
A moon which might support life entirely covered with water(ice)?
Luna
4. Europa
taitan
callisto
A rock orbiting the Sun, between Mars and Jupiter.
Comets
Moons
Gaint Rock
Asteroids
Answers: 1. a, 2. c, 3. b, 4. b, 5. c, 6. d, 7. b, 8. d, 9.b, 10. d
1. The solar system includes:
nine stars
ten planets
nine planets
2. What is the sun?
a planet
a star
a white hole
3. Which is the largest planet in the solar system?
the sun
the earth
Jupiter
4. Which is the closest planet to the earth?
the moon
Mars
Venus
5. What is an astronomical unit (AU)?
the mean distance between the moon and the earth, about 384,400 km
nine light-years
the mean distance between the earth and the sun, about 150
million km
6. Which is the closest planet to the sun?
Pluto
Mercury
the Milky Way
7. Which is the farthest planet from the sun?
Pluto
Mars
Uranus
8. What is the Milky Way?
the way planets orbit the sun
5. a white star
the galaxy of which the solar system is a part
9. Which is the only planet whose English name does not derive from Greek/
Roman mythology?
the sun
the earth
Mercury
10. What is a moon?
the natural satellite of the earth
a small planet
a satellite of any planet
11. Which planet is referred to as the Red Planet?
Venus
Mars
Uranus
12. How many moons Saturn has?
at least 30
one
none
13. The orbits of the planets are:
circular
elliptic
it is impossible to know
14. What is an asteroid?
a steroid
a rocky object orbiting the sun
a comet
15. What is a comet?
a small moon
an astronomical object with a long tail
both answers are correct
16. What is the solar wind?
the continuous flow of charged particles from the sun
wind in the solar system
solar energy
what is the largest ocean on the earth?
Indian ocean
atlantic ocean
Pacific ocean=
Which planet orbits closest to the sun?
Mercury=
Mars
Saturn