Beyond Our Solar System - Stellar Evolution Worksheet Template Page 2
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2Name ___________________________
Class ___________________
Date _____________
Chapter 25
Beyond Our Solar System
3. A(n)
is a developing star not yet hot enough
to engage in nuclear fusion.
4. Is the following sentence true or false? An average star spends
90 percent of its life as a helium-burning main-sequence star.
Burnout and Death
Is the following sentence true or false? All stars eventually run
5.
out of fuel and collapse due to gravity.
6. How can a Hertzsprung-Russell diagram be used to show the
evolution of a star?
Match each death description with its star.
Death Description
Star
7. forms a red giant, which then
a. low-mass star
collapses into a red dwarf and
b. medium-mass star
forms a planetary nebula
c. massive star
8. blows up in a supernova
explosion
9. does not form a red giant; collapses
directly into a white dwarf
Stellar Remnants
List the stages the sun has gone through and will go through during its
10.
evolution.
11. A(n)
is a neutron star that rotates and
generates radio waves.
Match each description with its stellar remnant.
Description
Stellar Remnant
12. remnant of a supernova event;
a. black hole
similar to a large atomic nucleus
b. white dwarf
13. small dense object formed from
c. neutron star
the remnants of a star at least
three times as massive as the sun
14. remnant of a low-mass or
medium-mass star
Earth Science Guided Reading and Study Workbook
184
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