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1. 
Earth is the third planet from the universe that has life.
A.
TRUE
B.
FALSE
2. 
The atmosphere is a layer of gases that surrounds the surface of the sun.
A.
TRUE
B.
FALSE
3. 
The earth has one natural satellite that moves around it.
A.
TRUE
B.
FALSE
4. 
The moon produces its own light to illuminate the earth.
A.
TRUE
B.
FALSE
5. 
Plants and animals cannot live in the moon because it is a celestial body.
A.
TRUE
B.
FALSE
6. 
The sun is the largest object in the solar system
A.
TRUE
B.
FALSE
7. 
The sun and the moon are the brightest stars in our sky
A.
TRUE
B.
FALSE
8. 
The Sun, excepting other stars, produce enormous amounts of light and heat
A.
TRUE
B.
FALSE
9. 
You can tell how hot a star is by looking at the color of its light
A.
TRUE
B.
FALSE
10. 
Eight planets travel around the Sun in separate paths called orbits
A.
TRUE
B.
FALSE
11. 
Neptune is the farthest planet from the Sun
A.
TRUE
B.
FALSE
12. 
The solar system has more than 130 moons.
A.
TRUE
B.
FALSE
13. 
How are the Earth and the Moon related?
A.
The moon is the natural satellite that moves around the earth.
B.
The moon and the Earth are celestial bodies.
C.
The size of the two bodies is almost the same.
14. 
How does the Sun support life on Earth?
A.
1.3 million of Earths could fit inside it.
B.
It gives the energy needed.
C.
It is the largest object in our solar system
15. 
Which are the hottest stars in the universe?
A.
white
B.
blue
C.
orange
16. 
What is a constellation?
A.
A group of satellites that give energy to the Earth.
B.
Shapes of hunters.
C.
A group of stars that form a pattern or a shape
17. 
What are terrestrial planets?
A.
Planets that are close to the terrestrial body.
B.
The planets that are the closest to the Sun.
C.
Planets like Jupiter, Mercury, Earth and Mars.
18. 
How is Mars similar to Earth?
A.
They have similar surface features.
B.
They have enormous volcanoes and canyons.
C.
A and B are correct.
19. 
What is a characteristic of the planets that are the farthest from the Sun?
A.
They are gaseous planets.
B.
Some of them have a big center made out of rock.
C.
A and B are correct
20. 
Which is the third-largest planet in our solar system?
A.
Jupiter
B.
The Earth
C.
Uranus
21. 
Why is Pluto known as a dwarf planet?
A.
Because of its components.
B.
b.Because scientists decided that it was too small to be considered a planet.
C.
None of the answers is correct
22. 
Scientists group galaxies according to their
A.
color
B.
shape
C.
name