1. Earth Science Topic #3 Review Game1 7 13 19 25 2 8 14 20 26 3 9 15 21 27 4 10 16 22 28 5 11 17 23 29 6 12 18 24 30

2. 250 pts!
One factor responsible for the strength of gravitational attraction between a planet and the Sun is the
a. degree of tilt of the planet’s axis
b. distance between the planet and the Sun
c. planet’s period of rotation
d. amount of insolation given off by the Sun

3. Compared to the luminosity and surface temperature of red main sequence stars, blue supergiants are
a. less luminous and have a lower surface temperature
b. less luminous and have a higher surface temperature
c. more luminous and have a lower surface temperature
d. more luminous and have a higher surface temperature
150 pts!

4. The terrestrial planets differ from the Jovian planets because the terrestrial planets are
a. less dense and larger
b. less dense and smaller
c. more dense and larger
d. more dense and smaller
350 pts!

5. 250 pts! A Red giant star would most likely have a temperature of
a. 5,000 K
b. 10,000 K
c. 20,000 K
d. 30,000 K
250 pts!

6. Approximately how many times larger is the diameter of the sun compared to the earth?
a. 10 times
b. 100 times
c. 1000 times
d. 10,000 times
400 pts!

7. Which planet has the least distance between the two foci of its elliptical orbit?
a. Venus
b. Earth
c. Mars
d. Jupiter
200 pts!

8. If we observe a Doppler blue shift from a star, the star must be
a. relatively cool in temperature
b. moving away from us
c. moving toward us
d. a blue star
350 pts!

9. Which graph best represents the relationship between a planet's average distance from the Sun and the time the planet takes to revolve around the Sun?
500 pts! B A D C

10. 350 pts! The diagram below shows the spectral lines for an element.
Which diagram best represents the spectral lines of this element when its light is observed coming from a star that is moving away from Earth? A B C D
350 pts!

11. 150 pts! Which object in our solar system has the greatest density?
a. Jupiter
b. Earth
c. the Moon
d. the Sun
150 pts!

12. 200 pts! Which event takes the most time?
a. one revolution of Earth around the Sun
b. one revolution of Venus around the Sun
c. one rotation of the Moon on its axis
d. one rotation of Venus on its axis
200 pts!

13. The diagram below shows four positions of a planet in its orbit around the Sun.
450 pts!
At which position is the planet's orbital speed greatest?
a. A
b. B
c. C
d. D

14. Which graph best represents the relationship between the gravitational attraction of two objects and their distance from each other?
200 pts! A B D C

15. The diagram below represents possible stages in the life cycle of stars.
300 pts!
Which star has the greatest probability of producing a supernova explosion?
a. Barnard's Star
b. Betelgeuse
c. Procyon B
d. Sun

16. If we plot many stars on an H-R diagram, all with the same luminosity but different temperatures, they
a. would all lie on the main sequence
b. would be all over the diagram
c. would form a horizontal line
d. would form a vertical line
150 pts!

17. Great amounts of energy are released in the core of a star as lighter elements combine and form heavier elements during the process of
a. compaction
b. condensation
c. radioactive decay
d. nuclear fusion
500 pts!

18. Which graph best represents the changes in this satellite's orbital velocity as it revolves around the planet?
200 pts! C D A B

19. 250 pts! Compared with our Sun, the star Betelgeuse is
a. smaller, hotter, and less luminous
b. smaller, cooler, and more luminous
c. larger, hotter, and less luminous
d. larger, cooler, and more luminous
250 pts!

20. Red giant stars have greater luminosity than our sun mainly because they are
a. hotter
b. farther away
c. larger
d. older
400 pts!

21. Which star has a higher luminosity and a lower temperature than the Sun?
a. Rigel
b. Barnard’s Star
c. Alpha Centauri
d. Aldebaran
300 pts!

22. 250 pts! The elliptical shape of the Earth's orbit results in
a. changes in the orbital velocity of the Earth
b. tilting of the Earth's axis
c. the oblate spheroid shape of the Earth
d. the phases of the Moon
250 pts!

23. The diagram below shows the orbits of planets A and B in a star-planet system.
The period of revolution for planet B is 40 days. The period of revolution for planet A most likely is
a. less than 40 days
b. greater than 40 days
c. 40 days
500 pts!

24. Compared to the surface temperature and luminosity of massive stars in the Main Sequence, the smaller stars in the Main Sequence are
a. hotter and less luminous
b. hotter and more luminous
c. cooler and less luminous
d. cooler and more luminous
150 pts!

25. Which object is located at one foci of the elliptical orbit of Mars?
a. the Sun
b. Betelgeuse
c. Earth
d. Jupiter
350 pts!

26. The diagram below shows the elliptical orbit of a planet revolving around a star. The star and F2are the foci of this ellipse.
What is the approximate eccentricity of this
ellipse?
a. 0.22
b. 0.47
c. 0.68
d. 1.47
300 pts!

27. 200 pts! The most abundant element on the sun is a. hydrogen b. helium
c. carbon
d. oxygen
200 pts!

28. The Big Bang Theory, describing the creation of the universe, is most directly supported by the
a. redshift of light from distant galaxies
b. presence of volcanoes on Earth
c. apparent shape of star constellations
d. presence of craters on Earth's Moon
150 pts!

29. Which diagram most accurately represents the relative diameters of Earth and Mercury?B
300 pts! C D

30. Two stars of the same color are plotted on an H-R diagram
Two stars of the same color are plotted on an H-R diagram. Star A is more luminous than star B. Which one of the following statements could explain this?
a. Star A is hotter than star B.
b. Star A is more distant than star B.
c. Star A appears brighter in the sky than star B.
d. Star A is larger than star B.
400 pts!

31. 250 pts! Which diagram shows a planet with the least eccentric orbit?
( Key: • = planet * = star )
250 pts! A B D C