HR Diagram Test

Match

Match the words to know to their definition:

• the letter given to a star based on its temperature

• a star that has reached stability between gravity and fusion

• gas and dust that is gravitationally attracted to each other but not doing nuclear fusion

• what the x-axis of an HR diagram measures

• what the y-axis of an HR diagram measures

Spectral classification

Main Sequence

Nebula

temperature

luminosity

• Spectral classification

• Main Sequence

• Nebula

• temperature

• luminosity

Multiple Choice

What determines what stages a star will go through in its lifecycle?

• its color

• its mass

• its temperature

• its luminosity

Fill in the Blanks

What is the spectral classification order of stars from hottest to coldest across the x-axis of an HR Diagram?

Multiple Choice

What does it mean if a star is on the top of an HR diagram?

• its hot

• its cold

• its bright

• its dim

Multiple Choice

What is the one star type that all stars will become at some point in their lives?

• Main Sequence

• Nebula

• Supernova

• Black Hole

• Red Giant

Multiple Choice

What does being on the main sequence mean a star is doing?

• it is fusing hydrogen to helium in a stable process

• it has run out of hydrogen and has started fusing other elements

• it has run out of fuel and is starting to cool down

• it is about to collapse in a supernova implosion

• Only allowed to be in this quizizz and the class canvas. All other websites will be blocked. 

• Any phone screens are an automatic zero and behavior referral.

• Canvas Quiz Link:

  • https://hsccsd.instructure.com/courses/561773/modules/items/29264541 

• Remember to use the flow chart (also shown in test):

If you need to take/retake either of your other missing tests/quizzes from this quarter, let me know after you complete this quiz. This would be:

• Nuclear Fusion Lab Test (show me the fusions)

• or the Star Scavenger Hunt (get the laminated questions stamped)