WorksheetsUniverse, Galaxies, Stars
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
The Milky Way Galaxy has less than one million stars.
a)
True
b)
False
2.
How do scientists explain the start of the universe?
a)
Composition of stars & motion of galaxies
b)
Stars colliding created the Big Bang
c)
Movement of planets and sun's position
d)
There is no evidence supporting the Big Bang
3.
What is the scientific notation for 40,140,000,000,000 kilometers?
a)
40.14 x 1012 km
b)
4.014 x 1012km
c)
4014 x 1010km
d)
4.014 x 1013km
4.
What is a space probe?
a)
A space-craft for astronauts
b)
A tool that makes distant objects look closer
c)
A space-craft that carries scientific instruments out of orbit
d)
an object that revolves around the Earth collecting weather data
5.
Which instrument collects and focuses visible light using mirrors or lenses to produce larger, brighter images of distant objects
a)
satellite
b)
optical telescope
c)
radio telescope
d)
space probe
6.
Which tool separates white light into colors?
a)
optical telescope
b)
radio telescope
c)
spectroscope
d)
staellite
7.
Galaxies are classified based on their:
a)
shape
b)
size
c)
composition
d)
constellations
8.
The universe began expanding out from a hot, dense state 13.8 billion years ago.
a)
Big Chill theory
b)
Expansion theory
c)
Big Bang theory
d)
Explosion theory
9.
Why can we not see the shape of the Milky Way Galaxy from Earth?
a)
We can see the shape of the Milky Way Galaxy from Earth
b)
The sun blocks our view
c)
We are above the galaxy
d)
We are on one of its arms
10.
Optical telescopes include:
a)
radio telescopes only
b)
refracting telescopes only
c)
reflecting telescopes only
d)
reflecting and refracting telescopes
11.
Using satellites to study space is most beneficial because they
a)
are powered by the sun
b)
can be easily repaired
c)
are protected from solar radiation
d)
do not experience interference due to earth's atmosphere
12.
A group of stars, gas, and dust held together by gravity is a
a)
constellation
b)
star system
c)
galaxy
d)
nebula
13.
What is classified by color, temperature, size, composition, and brightness?
a)
planets
b)
stars
c)
galaxies
d)
asteroids
14.
What color are cooler stars?
a)
red
b)
white
c)
blue
15.
Which instrument would a scientist use to determine the chemical composition and temperature of a star that is 100 light-years from Earth?
a)
spectroscope
b)
space probe
c)
anemometer
d)
reflecting telescope
16.
What is a light-year?
a)
the distance light travels in one Earth year
b)
the time it takes light to travel to the nearest star
c)
the time it takes light to travel in one Eath year
d)
the average distance between the Earth and the nearest star
17.
Where is the eyepiece lens?
a)
A
b)
B
c)
C
d)
D
18.
Where is the concave mirror?
a)
A
b)
B
c)
C
d)
D
19.
Which is the objective lens?
a)
A
b)
B
c)
C
d)
D
20.
Which is the focal point?
a)
A
b)
B
c)
C
d)
D
21.
Flattened football shaped galaxies are called
a)
barred
b)
elliptical
c)
irregular
d)
spiral
22.
When a large mass star begins to run out of fuel, what can it become?
a)
black dwarf
b)
neutron star
c)
supernova
d)
white dwarf
23.
What kind of telescopes are X and Y?
a)
refracting, reflecting
b)
reflecting, refracting
c)
spectroscope, radio
d)
radio, spectroscope
24.
The brightness of a star at a standard distance from Earth is the ________ brightness.
a)
absolute
b)
apparent
c)
atmosphere
d)
standard
25.
What color are medium temperature stars?
a)
red
b)
white
c)
blue
26.
Procyon B's surface temperature is 7,500oC and a low absolute brightness, making it this kind of star:
a)
blue supergiant
b)
main sequence
c)
white dwarf
d)
red giant
27.
What color are the hottest stars?
a)
red
b)
white
c)
blue
28.
Which lives longer: a large mass star or a small mass star?
a)
large mass star
b)
small mass star
c)
they have the same length of life
29.
Order the regions of space from largest to smallest:
a)
universe, earth, galaxy, solar system
b)
universe, solar system, galaxy, earth
c)
galaxy, universe, solar system, earth
d)
universe, galaxy, solar system, earth
30.
Our Sun is located in a/an
a)
multiverse
b)
spiral galaxy
c)
elliptical galaxy
d)
irregular galaxy
31.
How do black holes form?
a)
From very small stars
b)
From very massive stars
c)
Any star can become a black hole
d)
Only stars at the center of galaxies
32.
Why are black holes named as such?
a)
Only black energy is present.
b)
Only black light is present.
c)
Only black matter is seen.
d)
No light can escape.
100 %
