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Build your own quizCreate a new quizExplore millions of free instructional resourcesQUIZ "H-R Diagram" Gizmo

8thgrade

Science

62% accuracy213 playsShareKaren Wheeler4 yearsWorksheetSaveShareCopy and Edit

Science

8th

grade

"H-R Diagram" GizmoKaren Wheeler

213 plays

18 questions

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18 questions

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• 1. Multiple ChoiceEdit30 seconds1 pt

  There are 3 stars in the constellation Orion; Betelgeuse (A), Mintaka (B), and Rigel (C). How do the appearances of Stars A, B, and C compare?

  Star C is larger than stars A and B and Star A is a different color then stars B and C.

  Star C is smaller than stars A and B and Star A is the same color as stars B and C.

  Stars A, B and C are the same color and the same size.

• 2. Multiple ChoiceEdit30 seconds1 pt

  What are some ways the stars in the photo could be grouped or classified?

  Stars can be classified by distance and volume

  Stars can be classified by distance and height

  Stars can be classified by color, size and luminosity (brightness)

• 3. Multiple ChoiceEdit30 seconds1 pt

  Find Betelgeuse in the star collection. Fill out the chart at the right.

  What is the temperature of Betelgeuse?

  20,000 K

  10,000 K

  3,400 K

  1,000 K

• 4. Multiple ChoiceEdit30 seconds1 pt

  Activity A.

  Analyze: What relationship, if any, do you see between a star's color and it's temperature?

  Thereis a relationship between a star's color and it' Mass/Size

  The color of a star is directly related to its temperature; thus the temperature of a star determines its color.

  There is NO relationship between a star's color and it's temperature.

• 5. Multiple ChoiceEdit30 seconds1 pt

  5. Graph A

  What pattern do you see in the graph?

  There is NO pattern that forms on the graph

  The pattern on the graph is:

  The stars are plotted on the bottom of the graph and then they are plotted up to the top of the graph and back down on the bottom of the graph

  The stars that are plotted form a straight line on the graph (moving diagonal)

• 6. Multiple ChoiceEdit30 seconds1 pt

  5. Graph B

  What does the graph show about the relationship of a star's color and temperature?

  There is no relationship of a star's color and temperature.

  Red/Orange stars are the coolest and blue stars are the hottest; As stars grow hotter, their temperature changes from Red/Orange to Blue.

  Red/Orange stars are the hottest and blue stars are the coolest; As stars grow hotter, their temperature changes Blue to Red/Orange

• 7. Multiple ChoiceEdit30 seconds1 pt

  5. Graph C

  Click Move ALL and then Sort Stars. Is the relationship still evident?

  Yes

  No

• 8. Multiple ChoiceEdit30 seconds1 pt

  6 Infer:

  Naos is a star in the Argos constellation. It has a very deep Blue color. What do you think is the approximate temperature of Naos?

  Between 3,000 K - 5,000 K ( it is a cool star)

  Between 25,000 K - 50,000 K ( it is a hot star)

• 9. Multiple ChoiceEdit30 seconds1 pt

  7. Apply:

  The flame of many stove burners is blue, but the wires of a toaster glow orange. How do you think the temperatures of these two cooking appliances compare?

  The stove burner is much cooler then the toaster

  The stove burner is much hotter than the toaster

• 10. Multiple ChoiceEdit30 seconds1 pt

  Activity B:

  How do the stars' luminosity (brightness) compare with radii?

  In general, the larger a star is, the brighter it is.

  In general, the larger a star is, the dimmer it is.

• 11. Multiple ChoiceEdit30 seconds1 pt

  Activity B:

  How do the stars' radii compare with their mass?

  In general, the larger a star is, the less massive it is

  In general, the larger a star is, the more massive it is.

• 12. Multiple ChoiceEdit30 seconds1 pt

  Activity B

  Predict: A

  As the radius of a star increases, how do you think its luminosity might change?

  Its luminosity will likely decrease

  It's luminosity will likely increase

• 13. Multiple ChoiceEdit30 seconds1 pt

  Activity B

  Predict B

  As the mass of a star increases, how do you thinks its luminosity might change?

  Its luminosity will likely increase

  Its luminosity will likely decrease

• 14. Multiple ChoiceEdit30 seconds1 pt

  Activity B

  Predict C

  As the radius of a star increases, how do you think its mass might change?

  Its mass will likely decrease

  Its mass will likely increase

• 15. Multiple ChoiceEdit30 seconds1 pt

  Activity B

  Graph:

  Select Graphical plot. Select Luminosity VS Radius, and click MOVE ALL and then Sort Stars. Describe the relationships you see.

  In general, Luminosity increases with a greater radius

  In general, Luminosity decreases with a greater radius

• 16. Multiple ChoiceEdit30 seconds1 pt

  Activity B

  Explain:

  Why would the size of a star affect its luminosity?

  There is no relationship between a stars size and its luminosity

  Large stars likely contain less fuel, so they are NOT capable of producing more energy and give off more light.

  Large stars likely contain more fuel, so they are capable of producing more energy and give off more light.

• 17. Multiple ChoiceEdit30 seconds1 pt

  Activity B

  Compare: Select Luminosity VS Mass, and click Sort Stars. How does this graph compare with the luminosity vs Radius graph?

  In general, more massive stars have greater luminosity values

  In general, more massive stars have lower luminosity values

• 18. Multiple ChoiceEdit30 seconds1 pt

  Activity B

  Graph

  Select Mass vs Radius, and click Sort stars. Describe and relationships you see.

  There is NO relationship between the mass and radius of a star

  In general, smaller stars have less mass than larger stars; bigger stars have more mass

  In general, Larger stars have less mass than smaller stars; smaller stars have more mass

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