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6th Grade GREEN And BLUE Sections: Constellations And Lives Of Stars Review Part 2
Test Description: Use this to help you study for the test.
Instructions: Answer all questions to get your test result.
1) Nebulas are
A
clouds of gas and dust where stars are formed
B
areas where gamma ray bursts occur
C
areas of strong gravitational forces, so strong that not even light can escape
D
huge explosions that destroy a supergiant star
2) When a star is formed, the stage that can be compared to a fetus is the____________ stage.
A
protostar
B
planetary nebula
C
nebula
D
main sequence
3) Stars spend 90% of its life as a
A
white dwarf star
B
protostar
C
main sequence star
D
giant/supergiant star
4) During a stars main sequence stage
A
the star becomes unstable and ends its life in a gigantic explosion
B
nuclear fusion ends and the star gradually becomes a white dwarf
C
nuclear fusion in the star slows as the amount of iron in the core increases
D
nuclear fusion occurs in the core, turning hydrogen into helium
5) The gigantic explosion that occurs at the end of the life a high mass or very high mass star is known as a(n)
A
nova
B
supernova
C
gamma ray burst
D
planetary nebula
6) A planetary nebula occurs
A
when a supergiant star explodes
B
when two stars collide, producing clouds of gas and dust
C
when stars are formed
D
when a giant star collapses and the gases are poofed off into space
7) What is the eventual fate of our sun?
A
Supernova-white dwarf star
B
Supernova-Black Hole
C
Planetary Nebula-neutron star
D
Planetary Nebula-white dwarf star
8) Which of the following is the life cycle of a VERY HIGH MASS STAR?
A
Nebula-Protostar-Giant Star-Main Sequence-Planetary Nebula-White Dwarf-Black Dwarf
B
Protostar-Nebula, Supergiant Star-Main Sequence-Supernova-Black Hole
C
Nebula-Protostar-Main Sequence Star-Supergiant-Supernova-Neutron star and Nebula
D
Nebula-Protostar-Main Sequence Star-Supergiant-Supernova-Black Hole
9) Which of the following is the life cycle of a LOW/MEDIUM MASS STAR?
A
Nebula-Protostar-Main Sequence Star-Supergiant-Supernova-Black Hole
B
Nebula-Protostar-Giant Star-Main Sequence-Planetary Nebula-White Dwarf-Black Dwarf
C
Nebula-Protostar-Main Sequence Star-Giant-Planetary Nebula-White Dwarf Star-Black Dwarf
D
Nebula-Protostar-Main Sequence Star-Supergiant-Supernova-Neutron star and Nebula
10) What is the life cycle of a HIGH MASS STAR?
A
Nebula-Protostar-Main Sequence Star-Giant-Planetary Nebula-White Dwarf Star-Black Dwarf
B
Nebula-Protostar-Giant Star-Main Sequence-Planetary Nebula-White Dwarf-Black Dwarf
C
Nebula-Protostar-Main Sequence Star-Supergiant-Supernova-Neutron star and Nebula
D
Nebula-Protostar-Main Sequence Star-Supergiant-Supernova-Black Hole
*select an answer for all questions
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