Download Planets, Objects in Space, and Technology Test 07

Planets, Objects in Space, and Technology Test
Matching: Write the letter for the description that best matches each word, 3 pts each.
__1. meteorite
__2. light-year
__3. revolution
__4. rotation
__5. spectroscope
__6. Asteroid Belt
__7. telescope
__8. galaxy
__9. retrograde rotation
__10. greenhouse effect
A. uses lenses and mirrors to make objects look larger and brighter
B. Spinning in the opposite direction
C. Trapping of heat by a planet’s atmosphere
D. how long it takes light to travel in a year’s time
E. Spinning of an object on its axis
F. area between Mars and Jupiter
G. meteoroid that touches Earth’s surface
H. breaks light into different colors or bands
I. a group of stars, dust, and gas held together by gravity
J. movement of an object around another
Multiple Choice: Pick the letter that answers the question the best. 2 pts each.
11. Meteoroids
develop from_____? a. planets
b. comets
c. asteroids
d. both b and c
12. What tool has helped us gather the most information about the outer planets?
a. Galileo’s telescope
b. space shuttles
c. Space probes
d. Satellites
13. Which objects do not orbit the sun? a. planets b. comets
c. asteroids
d. meteoroids
14. The orbit shape of the objects in our solar system. a. circle b. eclipse c. ellipse d. spheroid
15. A ______ is a tool of astronomy that orbits the Earth collecting and/or sending information.
a. space probe
b. satellite
c. Spectroscope
d. radio telescope
16. All of the following are true of the Milky Way galaxy EXCEPT that it ________.
a. is an elliptical galaxy
b. is a member of the local group
c. has more than 800 billion stars
d. is about 100, 000 light years across
True or False; Write “true” or “false” for each statement. If the statement is “false”, change the
underlined part to make it true.
2 pts each.
17. Asteroids are chunks of rock or dust that are too small to be considered planets.
18. A galaxy that has no specific shape is called a spiral galaxy.
19. The tail of a comet always points towards the sun.
20. The largest gaseous planet is Saturn.
21. A meteor is a meteoroid that burns up in the Earth’s atmosphere.
22. A comet is a meteoroid that strikes Earth.
23. A satellite separates white light into the color spectrum.
24. Space probes are manned missions towards outer planets.
Fill-in-the-Blank. 3pts each
25. A __________________ telescope focuses light through lenses. The light is bent in this telescope.
26. A __________________ telescope collects and focuses light using mirrors.
27. A _______________ telescope collects light that is too dim to be seen. Collects information from
objects in space.
28. Our solar system is in the ______________ ___________ galaxy.
Short Answer.5 pts each
29. Draw a comet, then label its three parts that we discussed in our notes.
30. What is the difference between a meteor and meteorite?
31. List the four gas giants and explain how they are similar to each other and how the inner planets are
different from them.
32. What is the “Hubble” and how is it useful to scientists?
33. Compare and contrast the three main kinds of galaxies. Also include a picture of each.
34. List the planets in order from the sun outward.