HR Diagrams & Binary Stars

Quiz
•
Science
•
9th - 12th Grade
•
Medium
+2
Standards-aligned
Clint Sandford
Used 108+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
The Hertzsprung-Russell (or "HR") diagram shows a scatter plot of stars'
luminosity vs. temperature.
apparent magnitude vs. temperature.
absolute magnitude vs. temperature.
heat & color index.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The "main sequence" on the HR diagram refers to a diagonal line or field showing
the age of stars.
the size in radius of stars.
the coolest stars top left; hottest stars bottom right.
the hottest stars top left; coolest stars bottom right.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The HR diagram was created circa 1910 by Ejnar Hertzsprung and Henry Russell and represents
an understanding of stellar evolution.
all of the stars in our galaxy.
an understanding of how the Big Bang created the Universe.
intrinsic brightness only.
Tags
NGSS.HS-ESS1-3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Blue giant stars are generally the hottest & brightest and will plot
top left on the HR diagram.
somewhere near the top on the HR diagram.
top right on the HR diagram.
off the charts on some HR diagrams.
Tags
NGSS.HS-ESS1-3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Stars like our Sun and Alpha Centauri A are about average in temperature and plot
near the center of the main sequence.
slightly off the main sequence in the lower left.
towards the lower right of the main sequence.
near the red dwarf part of the HR diagram.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Red dwarf stars that are relatively cool and dim plot
near the lower middle of the main sequence.
at the center of the main sequence.
to the lower right on the main sequence.
nowhere on the HR diagram because they are too dim.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
About 80% of all stars in the galaxy are actually
yellow stars like our Sun & Alpha Centauri A.
red dwarf stars.
plotted on the main sequence.
blue giant stars like Rigel & Bellatrix.
Tags
NGSS.HS-ESS1-3
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