WorksheetsModule G Unit 1 - The Universe TEST REVIEW
Total questions: 33
Worksheet time: 12mins
Name
Class
Date
1.
Which correctly lists the objects in space in order from largest to smallest?
a)
universe, galaxy, star, planet
b)
universe, galaxy, planet, star
c)
galaxy, universe, star, planet
d)
galaxy, universe, planet, star
2.
Which term describes this group of stars?
a)
moon
b)
galaxy
c)
universe
d)
solar system
3.
Which of the following are located between galaxies?
a)
stars
b)
voids
c)
moons
d)
planets
4.
Which of the following units is most similar to the light-year?
a)
gram
b)
second
c)
kilometer
d)
degrees Celsius
5.
While planets are smaller than stars, planets are generally larger than which of the following?
a)
the stars they orbit around
b)
the solar system
c)
the galaxy they arecontained within
d)
other bodies in the solar system
6.
A relatively large spherical body that orbits a star.
a)
solar system
b)
planet
c)
star
d)
universe
7.
A large group of stars, gas, and dust bound together by gravity.
a)
solar system
b)
galaxy
c)
star
d)
universe
8.
A large celestial body that is composed of gas and that emits light.
a)
star
b)
planet
c)
quark
d)
nebula
9.
Which of the following occurs throughout most of a star's lifetime?
a)
matter ejection
b)
gas contraction
c)
heavy core formation
d)
nuclear fusion
10.
A high-mass star can leave behind this invisible object with gravity so strong, even light and radiation cannot escape?
a)
A supergiant
b)
a black hole
c)
a neutron star
d)
white dwarf
11.
Where do stars form?
a)
in a planet's core
b)
in nebulae
c)
on asteroids
d)
in sun spots on the surface of the sun
12.
What is the color of the hottest star in the universe?
a)
red
b)
orange
c)
green
d)
blue
13.
What causes a supernova?
a)
the collision of several small stars that forms a giant star
b)
the collapse of a giant cloud of gas and dust in a nebula
c)
the expansion of a shell of gas around a star
d)
the collapse of the core of a high-mass star
14.
What holds the stars, gas and dust in a galaxy together?
a)
heat
b)
light
c)
gravity
d)
friction
15.
The milky way can be classified as which of the following?
a)
a constellation
b)
a void
c)
a solar system
d)
a galaxy
16.
What does luminosity measure?
a)
size or amount of gases in a star
b)
brightness of a star
c)
distance of the star from earth
d)
temperature of a star
17.
Which statement best describes a star?
a)
a faint dot of light that can be seen from the sun's surface
b)
an object that forms in the outer areas of the solar system
c)
a large planet made mostly of gases
d)
a celestial body made of gases that gives off light
18.
All matter, energy and empty space is _____________.
a)
a nebulae
b)
the sun
c)
the galaxy
d)
the universe
19.
The actual brightness of an object such as a star is _____________.
a)
magnitude
b)
nebulae
c)
luminosity
d)
red or blue
20.
If a star is measured to be 300 light-years from Earth, how long does it take the star's light to reach Earth?
a)
300 days
b)
300 hours
c)
300 years
d)
300 light years
21.
This consists of one star or more and all the objects in orbit around the central star.
a)
solar system
b)
planet
c)
star
d)
universe
22.
Which stage in the life of a high-mass star collapses and throws its outer layers into space in an explosion?
a)
black hole
b)
supergiant
c)
supernova
d)
neutron star
23.
What is responsible for holding the stars, gas, and dust together in a galaxy?
a)
heat
b)
light
c)
gravity
d)
friction
24.
Why do the sun and moon appear to be the same size when viewed from Earth?
a)
The moon is much hotter than the sun.
b)
The moon is much denser than the sun.
c)
The moon is much brighter than the sun.
d)
The moon is much closer to Earth than the sun.
25.
Apparent magnitude is
a)
magnetic pulse
b)
the magnitude of a star measured from the earth
c)
the magnitude of a planets orbit
d)
a gravitational pull of the planets
26.
What is a neutron star?
a)
the core of the sun
b)
A core of a star left over from dinner
c)
A core of a star left over from a supernova
d)
the brightnest star we have found
27.
What will our Sun be right after Main sequence?
a)
Red Giant
b)
Alexis
c)
white dwarf
d)
Black dwarf
28.
An average size star, like our sun, will ends its life as a
a)
Red Giant
b)
Massive Star
c)
Supernova
d)
White Dwarf
29.
The relative brightness and temperature of a star change over time.
a)
True
b)
False
30.
High mass star can end its life as black hole or neutron star
a)
True
b)
False
31.
Our sun is amoung the most massive stars in the galaxy
a)
True
b)
False
32.
What does an HR Diagram show?
a)
An HR Diagram measures a star's brightness.
b)
HR Diagram groups stars according to temperature, brightnes.
c)
HR Diagram shows how many light years are between each galaxy.
d)
HR Diagram counts how many stars there are
33.
What is the fuel for a star ? (What keeps it burning?)
a)
Nuclear Fuel
b)
Fusion
c)
Fission
d)
Petroleum
100 %
