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Hosted
by
Mrs. Walia
Choice1
Choice 2
Choice 3
Choice 4
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(Core, Radiation zone, convection zone, photosphere,
Chromosphere, corona.)?
Arrange layers of sun from
Core to outermost layer.
Row 1, Col 1
(Luminosity)
A H-R diagram is a graph of
Stars temperature and
1,2
(white dwarf)
A low mass main sequence star
will eventually evolve into a
1,3
(Main Sequence)
More than 90% of stars are
found on this part of
H-R diagram
1,4
(Nebula)
Enormous clouds of gas and
Dust where stars are born
2,1
(Light Year)
Unit used to measure distance to
Stars:
2,2
(When Nuclear fusion starts)
At what point of evolution
Is the star actually born?
2,3
(Low mass as they use their fuel slowly)
Which stars have longer lifetime
Low mass or high mass?
2,4
(They produce light from Nuclear fusion
You can see stars at night because
3,1
(Hydrogen)
The most common element
In most stars
3,2
(Mass)
The main factor that affects
the evolution of a star is its
3,3
(Protostar, main-sequence star, red giant, white dwarf)
Give correct order of
Evolution of sun-like star
From young to old:
3,4
(Gravity)
What force pulled matter
together in the solar nebula to form
Solar system?
4,1
(Color, temperature,Size, brightness)
Name four characteristics
Used to classify stars
4,2
(Blue Rigel))
Which star has hotter surface
Red Aldebaran or blue Rigel
4,3
(Core)
The part of sun where nuclear
Fusion occurs:
4,4
(Photosphere)
The layer of sun that gives
off visible light
5,1
(Iron)
Fusion reactions that combine
light elements release energy
Only until what element is
Created?
5,2
(Binary system.)
A system of two stars tied
Together by gravity and
Orbiting Each other is called :
5,3
(1/25)
If star is 5 times farther away
than another star with same
Luminosity, how will
Brightness compare?
5,4