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Astronomy Final 2020

Total questions: 41

Worksheet time: 10hrs 15mins

Name
Class
Date
1.

What's the difference between comets and asteroids?

a)

Asteroids are made of metal and rock, while Comets are ice and rock

b)

Asteroids are made of ice and rock, while Comets are made of metals and rock

c)

There is no difference

d)

Asteroids are made of stardust, while Comets are made up of water

2.
Made of ice, dust and gas
a)
asteroid
b)
meteoroid
c)
comet
d)
meteor
3.

The tail of a comet usually faces

a)

toward the sun.

b)

toward the Earth.

c)

away from the Sun.

d)

away from the Earth.

4.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
5.

Where can most of the dwarf planets be found?

a)

Kuiper Belt

b)

Oort Cloud

c)

Asteroid Belt

d)

Outside of our solar system

6.

We have discovered 5 dwarf planets in our solar system; · Pluto, Eris, Makemake, Haumea, and Ceres. Which of these dwarf planets DO NOT have moons?

a)

Pluto and Ceres

b)

Eris and Haumea

c)

Makemake and Ceres

d)

Eris and Makemake

7.

Small solar system objects include dwarf planets, asteroids, meteoroids, and comets. Which one of these objects is also known as a plutoid?

a)

dwarf planet

b)

asteroid

c)

meteoroid

d)

comet

8.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
9.
How long does it take the Earth to make one REVOLUTION around the Sun?
a)
12 hours
b)
24 hours
c)
365 days
d)
29.5 days
10.
How long does it take for Earth to complete on full rotation?
a)
365 days
b)
23 hours
c)
24 hours
d)
1 month
11.
Which planet is not a gas giant?
a)
Saturn
b)
Jupiter
c)
Neptune
d)
Venus
12.

Which planets are small and rocky?

a)

outer planets

b)

inner planets

13.
What planet is the smallest?
a)
Mercury
b)
Venus
c)
Mars
d)
Jupiter
14.
Have humans walked on any other planet?
a)
Yes
b)
No
15.
What is one thing Venus and Earth have in common?
a)
Almost the same size
b)
Toxic atmosphere
c)
Water
d)
All of the above
16.

Which is the largest object in our solar system?

a)

Moon

b)

Mars

c)

Venus

d)

Sun

17.

Which is the outer layer of the sun's atmosphere?

a)

solar wind

b)

corona

c)

sunspots

d)

chromosphere

18.
The sun is a glowing ball of _______.
a)
water
b)
liquid
c)
gases
d)
rocks
19.
The sun is a _______.
a)
star
b)
planet
c)
satellite
20.
The energy from the sun is created by a process called:
a)
nuclear fission
b)
nuclear fusion
c)
nuclear reaction
d)
nuclear core
21.
How many Earths could fit inside the Sun?
a)
About 1 million
b)
About 2 million
c)
About 1.5 million
d)
About 2.5 million
22.
In which area of the sun does gas rise as it heats up, then fall back down as it cools?
a)
the core
b)
the radiation zone
c)
the convection zone
d)
the corona
23.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone
24.

Which of the following correctly ranks astronomical objects by size, starting with the smallest?

a)

earth, sun, solar system, galaxy, universe

b)

sun, solar system, earth, universe, galaxy

c)

universe, galaxy, solar system, earth, sun

d)

solar system, earth, sun, universe, galaxy

25.
Which of the following is NOT a characteristic used to classify stars?
a)
Color
b)
Temperature
c)
Size
d)
Shape
26.

Stars are made of mostly which two gases?

a)

Hydrogen and Helium

b)

Hydrogen and Oxygen

c)

Hydrogen and Nitrogen

d)

Hydrogen and Carbon

27.

A star is born in a cloud of gas and dust called a __________.

a)

nebula

b)

galaxy

c)

asteroid

d)

black hole

28.

Stars give off heat and light in a process called ___________.

a)

nuclear fusion

b)

supernova

c)

luminosity

d)

spectroscopy

29.
Explosion of a high-mass star.
a)
White Dwarf
b)
Planetary Nebula
c)
Supernova
d)
Neutron Star
30.
Which of the following is a name used for stars:
a)
Neutron
b)
Supergiant
c)
White dwarf
d)
All of the above
31.
Why do other stars appear so much smaller than the sun?
a)
They are actually much smaller
b)
They are so far away
c)
They are not as bright
d)
They are dwarf stars
32.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
33.
Our sun is currently in what star stage?
a)
Protostar
b)
Nebula
c)
Main Sequence
d)
Red Giant
34.
After the main sequence, a low mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
35.
After the main sequence, a high mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
36.
The final stage of a low mass star is a 
a)
neutron star
b)
nebula
c)
black hole
d)
black dwarf
37.
After a supergiant, a high mass star explodes and forms a
a)
supernova
b)
red giant
c)
black hole
d)
planetary nebula
38.
When a nebula heats up, a "baby" star forms in the middle. It is called a
a)
supernova
b)
supergiant
c)
white dwarf
d)
protostar
39.

What color is the hottest star?

a)

Red

b)

Yellow

c)

Blue

d)

White

40.

What color is the coolest star?

a)

Red

b)

Yellow

c)

Blue

d)

White

41.
Which is the correct order of stars from COOLEST to HOTTEST?
a)
blue, white, yellow, orange, red
b)
red, yellow, blue, white, orange
c)
red, white, yellow, orange, blue
d)
red, orange, yellow, white, blue