H-R Diagrams

The effective temperature of a star is related to its...

• solar system
• luminosity
• absolute magnitude
• color

In which region of the H-R Diagram would you be likely to find Blue Giants?

• W
• X
• Y
• Z

Tags

NGSS.HS-ESS1-3

In which region of the H-R Diagram would you be likely to find the brightest, reddest stars?

• W
• X
• Y
• The orange dashed line

A Hertzsprung-Russell (H-R) diagram shows the relationship between ____. 

• apparent magnitude and parallax
• parallax and temperature
• absolute magnitude and apparent magnitude
• temperature and absolute magnitude

About 90 percent of stars on the H-R diagram are ____ stars.

• red giant
• main sequence
• luminosity
• supergiants

Tags

NGSS.HS-ESS1-3

Use the diagram to answer the question.Using the figure, which is a main-sequence star?

• Zeta Eridani
• Deneb
• Mira
• Sirius B

As you move along the x-axis of the H-R diagram, temperature __________. 

• increases
• remains constant
• decreases
• does not change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As you move up the y-axis on the H-R diagram, absolute magnitude __________. 

• decreases
• increases
• remains constant
• does not change

Which of the following statements is true?

• As a star gets hotter, it becomes less bright

• As a star gets hotter it becomes brighter

• As a star gets brighter its size decreases

• A star's temperature doesn't affect its brightness

Stars in the middle portion of the graph are said to be in what stage of their lives? 

• red giant
• blue giant
• white dwarf
• main sequence

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3