Download Name: ______________________________# __________ Study Guide is due WEDNESDAY November 2

Name: ______________________________# __________
Study Guide is due WEDNESDAY November 2nd
1.5 Quarter Assessment Test is FRIDAY Nov. 4th
1.5 Quarter Assessment Study Guide
1. What branch of earth science deals with studying the objects in space?
2. What are most stars made up of?
3. When scientists look through a spectroscope they are able to see the range of colors that
are produced when light is broken apart. What is the band of colors called?
4. Why do the constellations appear to change position in the sky during different seasons?
5. What is the difference between apparent magnitude and absolute brightness?
6. Why does the sun appear to be the brightest star in the sky? Is it really giving off the
most light?
7. When a nebula turns into a protostar all the gas and dust is pulled together by a force.
What force pulls the gas and dust together?
8. What makes a high mass star live shorter than a low mass star?
9. Use the H-R diagram to answer the following questions.
a. Which letter represents the coolest
stars? _______.
A
b. Which letter represents the hottest
stars? _______.
B
c. Which letter represents a red star?
_______.
C
d. Which letter represents a yellow
star? _______.
D
e. Which letter represents the
brightest star? _______.
f. Which letter represents the
dimmest star? _______.
g. What does the H-R Diagram show the relationship of?
___________________________________________________________________
h. The stars that fall in a band in the middle are called_____________________________.
i. Which star has the greatest absolute magnitude or brightness? ____________________.
j. Which star has the least absolute magnitude or brightness? _______________________.
k. Which star has the lowest surface temperature? _______________________________.
l. Which star has the highest surface temperature? ______________________________.
10. Based on the graph what is the general relationship between the temperature of stars and
the brightness of stars? (Hint: Look at the main sequence where most stars are located)
Use the diagram of the sun to answer the following questions
11. What is each part of the sun that is numbered?
Tell what happens in that layer/part:
1. Core: ______________________________
_________________________
2. __________:The dense middle layer of the sun
that takes a very long time for energy to get through
3. Convection Zone: _______________________
________________________
4. ___________: The visible surface of the sun
5. Sunspot: ____________________________
_________________________
6. ____________: The layer of the sun’s
atmosphere that gives off the color
7. Corona: __________________________
___________________________________
12. What is the model of our solar system and how are the objects arranged?
Answer the following math questions
13. It takes the Ursa Major five hundred fifty million years to move around the center of the
Milky Way Galaxy. Express this distance in standard notation
14. It takes the Ursa Minor 100,000,000 years to move around the center of the Milky Way
Galaxy. Express this number in words
15. The star Smitty is 10,000 m. in diameter. Express this number as a power of ten.
16. The temperature of the star Smitty is five thousand, three hundred degrees Celsius.
Express this number in expanded form.
17. The star Sirus is 1,000,000 m. in diameter. Express this number as a power of ten.
18. The temperature of the star Sirus is four thousand, two hundred degrees Celsius. Express
this number in expanded form.
Use the graph to answer the following questions
19. About how far away from the sun is Bernard’s Star?
20. About how far away from the sun is Sirius A?
21. About how fast is Wolf 359 moving?
22. Which star is farthest from the sun?
23. Which star is closest to the sun?
24. What is the relationship between the distance from the sun and the speed of the star?
25. What are characteristics of inner planets and outer planets?
26. Fill in the chart about the motions of the earth:
Movement of Earth
How it moves
Rotation
Earth Moves around the sun
27. What is the tilt of the earth? _________________________________
28. What are the effects of the earth’s tilt?
29. What is the difference between apogee and perigee?
30. Fill in the chart about equinox & solstices
Solstice/Equinox
Date
Winter Solstice
December 21
First day of…
Summer Solstice
Autumnal Equinox
Vernal Equinox
Length of Day…
Longest Day
Fall
Equal day & night
31. Label the equinox or solstice on the diagram below
32. Label each moon phase. Pay attention to the position of the sun, earth & moon for each phase.