1. Which layer of the sun’s atmosphere are you looking at when you look at an image of the sun? (1 point)
photosphere
chromosphere
corona
prominence
2. Which of the following materials could have been found in the giant cloud that formed the solar system? (1 point)
hydrogen and helium
hydrogen and oxygen
carbon dioxide and oxygen
liquid and solid water
3. Which of the following is another term for eruptions of gas on the sun’s surface? (1 point)
nuclear fusion
sunspots
coronas
solar flares
4. Which of the following is a common feature among the four inner planets? (1 point)
atmosphere composition
distance from the sun
rocky surfaces
temperature range
5. Which of the following is the smallest terrestrial planet? (1 point)
Mars
Mercury
Venus
Earth
6. What do the four outer planets have in common? (1 point)
They are much larger than Earth and are made mainly of hydrogen and helium.
They are about the same size as Earth and are made mainly of hydrogen and helium.
They are much larger than Earth and are made mainly of iron.
They are about the same size as Earth and are made mainly of iron.
7. How is Uranus different from most other planets? (1 point)
It is the farthest from the sun.
It is mostly nitrogen and helium.
It rotates on its side.
It has the most moons.
8. Asteroids are one of the categories into which scientists classify small bodies in the solar system. Where can most asteroids be found? (1 point)
between Earth and Mars
between Mars and Jupiter
between Jupiter and Saturn
between Saturn and Uranus
9. Which of the following information is not necessary when classifying a star? (1 point)
its size
its temperature
its shape
its brightness
10. Which of the following can help astronomers detect if a star is a part of a binary star system? (1 point)
The star varies in temperature near the binary star.
The star wobbles near the binary star.
The star has very strong gravity.
The star belongs to an open cluster.
11. Which type of galaxy is this?
A galaxy is shown with a bright white and blue central region with many swirls of light curving around it in a flattened disk arrangement. (1 point)
irregular galaxy
regular galaxy
spiral galaxy
elliptical galaxy
12. What would be evidence of a galaxy moving toward Earth? (1 point)
The galaxy has a loose, disorganized appearance.
The stars in the galaxy appear to twinkle.
The galaxy appears to be accelerating over time.
The light wavelengths coming from the galaxy are becoming shorter.
13. Why should a spacecraft be airtight? (1 point)
Space is full of matter.
Microgravity affects temperatures.
There is no light in space.
Space is a vacuum.
14. Which of the following is the sun's visible surface layer? (1 point)
the core
the radiation zone
the convection zone
the photosphere
15. Meteoroids can form when comets break apart, creating dust clouds. (1 point)
true
false
16. A star is born whenever a nebula expands. (1 point)
true
false
17. A star system has at least three stars. (1 point)
true
false
Short Answer/Essay
Note: Your teacher will grade your responses to questions 18–20 to ensure that you receive proper credit for your answers.
18. Compare and contrast spiral and elliptical galaxies. (Make at least 2 comparisons.) (2 points)
19. Describe the differences among meteoroids, meteors, and meteorites. (3 points)
20. How are Earth and Venus similar? How is Venus different from Earth? (Provide two similarities and two differences.)
I just took the test here are the answers for connexus:
1: A
2: A
3: D
4: C
5: B
6: A
7: C
8: B
9: C
10: B
11: so sorry idk the answer but i know its not D
12: D
13: so sorry idk the answer but i know its not B
14: D
15: TRUE
16: FALSE
17: FALSE
18: sorry but you can just look it up on google and rewrite some words...
19: sorry but you can just look it up on google and rewrite some words...
20: sorry but you can just look it up on google and rewrite some words...
1.a
2.a
3.d
4.c
5.b
6.a
7.c
8.b
9.c
10.b
11.c
12.d
13.d
14.d
15.true
16.false
17.false
it wasn't as hard as i thought but check your test and make sure these answers make sense, i dont know how there ordered on your test.
ICE TEA IS RIGHT PROMIS
Answers are
1: A
2: A
3: D
4: C
5: B
6: A
7: C
8: B
9: C
10: B
11: C
12: D
13: D
14: D
15: TRUE
16: FALSE
17: FALSE
18:Spiral galaxies look like a tornado(A spiral), elliptical galaxies look like a misty oval(Ovals are called ellipses). Spiral galaxies mostly have young stars, while elliptical galaxies mostly have old stars.
19: A meteoroid is stage of a meteor before it enters Earth's atmosphere. A meteoroid is a meteor once it enters Earth's atmosphere. Once the meteor hits Earth's surface, it is now a meteorite.
20: Venus and Earth are roughly the same size, and share the same weight. Scientists even call Venus Earths twin. And we all can't forget they are neighbors due to how close they are together. And they're different because of their placement, Earth is humans perfect tempature while venus is to hot for us to live on.
Hope this helps!