Download 1 - Quia

1. A light-year is a unit of
a. time.
b. distance.
2. Our solar system is inside the
a. Alpha Centauri galaxy.
b. Betelgeuse galaxy.
c. mass.
d. density.
c. Milky Way galaxy.
d. Andromeda galaxy.
3. Spiral galaxies often appear bluish due to an abundance of
a. old stars.
c. young stars.
b. black holes.
d. white dwarfs.
4. Galaxies are classified based on their
a. shape.
b. color.
c. stars.
d. age.
5. The surface temperature of a star can be estimated based on the star’s
a. size.
c. age.
b. color.
d. mass.
6. An astronomer observes four stars, each of which is a different color.
Of these stars, the ____________ star is the hottest.
a. red
c. yellow
b. blue
d. green
7. In stars, energy is produced primarily as hydrogen atoms are combined
to form
a. helium atoms.
c. oxygen atoms.
b. carbon atoms.
d. nitrogen atoms.
8. A star is born when
a. gas and dust collapse inward.
b. nuclear fusion starts in the core.
c. the fusion of hydrogen slows down.
d. the core becomes carbon and oxygen.
9. The Milky Way galaxy contains interstellar matter that may
a. form new galaxies.
c. form new universes.
b. form new stars.
d. form new constellations.
10. Elliptical galaxies often appear reddish due to an abundance of
a. old stars.
c. young stars.
b. black holes.
d. white dwarfs.
11. Our galaxy is classified as a(n)
a. irregular galaxy.
b. elliptical galaxy.
c. spherical galaxy.
d. spiral galaxy.
12. Who first proposed that the universe is expanding?
a. Darwin
c. Copernicus
b. Kepler
d. Hubble
13. A star’s apparent brightness is dependent upon
a. temperature.
c. size.
b. distance from Earth.
d. All of the above
14. The sun is
a. an unusually hot star.
b. a very cool star.
c. a typical star.
d. None of the above
15. Energy is released in stars as a result of
a. fission reactions.
b. fusion reactions.
c. endothermic reactions.
d. biochemical reactions.
16. Most of the stars in the Milky Way will end their lives as
a. white dwarfs.
c. supernovas.
b. black holes.
d. red giants.
17. Quasars are among the strongest sources of ____________ in the
universe.
a. light
c. gamma rays
b. x-rays
d. None of the above
18. Draw a flow chart that illustrates the different possible paths in the life cycle of
a star. Use all of the stages listed below in your flow chart. Also include
information about when a star moves from one cycle to the next. Use your
textbook as a reference, and consult additional reference sources if needed.
a. nebula
b. protostar
c. main sequence star
d. red giant
e. white dwarf
f. supernova
g. neutron star
h. black hole
19. The brightness of a light depends on
a. how bright the light is.
b. how far away you are from electromagnetic waves
c. the amplitude of the light source
d. All of the above
20. There are ____________ planets that orbit the sun.
a. seven.
c. nine.
b. eight.
d. ten.
21. Gravity keeps planets from
a. crashing into the sun.
b. losing their atmospheres.
22. During a lunar eclipse
a. the moon blocks out the sun.
b. the sun blocks out the moon.
c. flying off into space.
d. None of the above
c. the moon blocks out Earth.
d. Earth blocks out the sun.
23. Which of the following is not an inner planet?
a. Venus
c. Jupiter
b. Mars
d. Earth
24. ____________ allows Earth to sustain life.
a. An abundance of liquid water c. The moon’s craters
b. An oxygen-rich atmosphere
d. both (a) and (b)
25. The inner planets are separated from the outer planets by
a. the Oort cloud.
c. the Milky Way.
b. an asteroid belt.
d. the moon’s orbit.
26. Which of the following is not a characteristic of gas giants?
a. thick, gaseous atmospheres
c. ring structures
b. many satellites
d. rocky surfaces
27. The moon orbits Earth at a distance of about ____________ kilometers.
a. 4000
c. 400 000
b. 40 000
d. 4000 000
28. The solar system is approximately ____________ years old.
a. 6000
c. 4.6 billion
b. 230 million
d. 15 billion
29. A body that revolves around a planet is called a(n)
a. meteor.
c. satellite.
b. orbit.
d. asteroid.
30. Which of the following is an outer planet?
a. Mars
c. Saturn
b. Europa
d. Charon
31. Which of the following planets is closest to the sun?
a. Mars
c. Jupiter
b. Venus
d. Earth
32. A space rock that crashes into Earth is called a
a. meteor.
c. meteroid.
b. meteorite.
d. None of the above
33. Earth’s shadow can cause a(n) ____________ of the moon.
a. eclipse
c. phase
b. tide
d. orbit
34. List the planets from largest to smallest
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35. All of the planets in our solar system
a. give off their own light.
b. appear in the same position nightly.
c. have thick atmospheres.
d. orbit the sun.
36. The solar system is held together by
a. gravitational forces.
b. inertia.
37. During a solar eclipse
a. the moon blocks out the sun.
b. the sun blocks out the moon.
c. angular momentum.
d. electrostatic forces.
c. the moon blocks out Earth.
d. Earth blocks out the sun.
38. As the moon waxes, people on Earth can see ____________ of the illuminated
portion of the moon.
a. all
c. more
b. none
d. less
39. Mercury is characterized by
a. a thick atmosphere.
b. large volumes of water.
c. very extreme temperatures.
d. high atmospheric pressure.
40. The Great Red Spot is believed to be a giant storm in the atmosphere
of
a. Mars.
c. Saturn.
b. Jupiter.
d. Neptune.
41. Terrestrial planets have similar
a. atmospheres.
b. lifeforms.
c. compositions.
d. satellites.
42. Kepler showed that the orbits of the planets are
a. circular.
c. spherical.
b. elliptical.
d. None of the above
43. Aristotle believed that planets orbit the
a. sun.
c. moon.
b. Earth.
d. stars.
44. Name all the moon phases
44 Name the following eclipse
a)
b)
45.,