1
What are the two main elements found in stars?
Hydrogen and Helium
What is the temperature of a star with a blue color? a) cool b) hot c) medium for a star d) the same as the Sun
b) hot
Our sun is a _________ star. a) giant b) white dwarf c) main sequence d) neutron
c) main sequence
Which of these options is a star? a) Moon b) Earth c) Sun d) Jupiter
c) Sun
The scientific study of stars is called _____________.
Astronomy
What determines whether a star becomes a red giant or a red supergiant? a) Its brightness b) Its mass c) Its color
b) Its mass
A star is actually born when __________. a) nuclear fusion ends b) nuclear fission ends c) nuclear fusion begins d) nuclear fission begins
c) nuclear fusion begins
What is the best unit of measurement to describe the distance of stars from Earth? a) meter b) kilometer c) light-year d) year
c) light-year
All planets revolve around the sun in an _____ orbit.
elliptical
What fuel do stars use?
Hydrogen
Why did ancient civilizations use the stars? a) Planting crops b) Navigation c) Calendar d) All of the above
d) All of the above
Constellations are: a) star arrangements b) Christmas lights c) planet arrangements d) asteroids
a) star arrangements
How many Moons does Mars have a) 3 Moons b) 1 Moon c) 2 Moons
c) 2 Moons
This galaxy is home to the Solar System.
the Milky Way
The longest period of a star’s life is called
Main Sequence
What will be the final state of the Sun? a) white dwarf b) black hole c) supernova d) black dwarf
d) black dwarf
The brightness of a star is called its ___________. a) redshift b) parallax c) variableness d) magnitude
d) magnitude
These are the largest and brightest stars a) Supernovas b) Giants c) Supergiants d) Neutron stars
c) Supergiants
______ are sections of the sky which contain recognizable star patterns.
Constellations
Cooler stars appear to be what color?
Red
All planets revolve around the sun in an _____ orbit.
elliptical
The force that keeps planets orbiting the sun
gravity
how long does it take for the moon to orbit the earth
1 month
List the color of stars from hottest to coolest: (red, white, blue, yellow, orange)
blue, white, yellow, orange, red
What is a supernova?
A powerful Star explosion