1.
Ms. Lindgren will show you a picture of the life cycle of stars. Use the word bank on the board to match the word to the picture.
1. Picture A represents a _____________________.
2.
2. Picture E represents a _____________________.
3.
3. Picture H represents a _____________________.
4.
4. Picture J represents a _____________________.
5.
5. Picture I represents a _____________________.
6.
6. Picture D represents a _____________________.
7.
Astronomers measure the diameter of stars using what unit?
A. 
B. 
C. 
D. 
8.
One characteristic of stars that scientists look is LUMINOSITY. What do you think the latin root LUMEN means?
A. 
B. 
C. 
D. 
9.
Stars are composed mainly of:
A. 
B. 
C. 
D. 
10.
Three or more stars that are bound by gravity are called
A. 
B. 
C. 
D. 
11.
What makes something a star, and not a brown dwarf?
A. 
The temperatures reaches 6000 C
B. 
The electrons in the core elements are lost
C. 
D. 
Stars have planets orbiting it
12.
An astronomer uses a telescope to look at a star. She observes that the color of the star is similar to the color of the sun. Using this information, what can she infer about the star?
A. 
The star is hotter than most stars in our galaxy
B. 
The star and the sun have similar surface temperatures and sizes
C. 
The star will end its life as a neutron star
D. 
The star is a white dwarf
13.
Dillon examined several photos of stars. Looking at the color of the stars, he organized them from coolest to hottest. Which of these answers shows the correct order?
A. 
B. 
C. 
D. 
14.
At the end of its life-cycle, a high mass star sometimes leaves behind an invisible object in which gravity is so strong that light cannot escape. What do we call this object?
A. 
B. 
C. 
D. 
15.
What type of star is the sun?
A. 
B. 
C. 
D. 
16.
Which of the following occurs throughout most of a star's lifetime?
A. 
B. 
C. 
D. 
17.
Check ALL the boxes that apply!
What subatomic particles are found in the nuclei of atoms?
A. 
B. 
C. 
D. 
18.
Check ALL the boxes that apply!
Which of the following are a part of the life cycle of LOW MASS stars?
A. 
B. 
C. 
D. 
19.
For a standard H-R diagram, what are the stars in the lower left region of the diagram?
A. 
B. 
C. 
D. 
20.
Stars on the upper left end of the main sequence differ from those on the lower right end in what way?
A. 
Stars on the upper left end are less massive.
B. 
Stars on the upper left end are more massive.
C. 
Stars on the upper left end tend to be red in color.
D. 
Stars on the upper left end are near the end of their life cycle.
21.
In general, as a stars mass increases, so does it's luminosity
22.
If you live in the Northern Hemisphere, Polaris is visible all year round.
23.
If you wanted to see the constellation rising, you would look to the west.
24.
The zodiac constellations Leo and Gemini are found on the ecliptic.
25.
A low mass star will never become a neutron star.