WorksheetsAstro Final- Practice Qs #2
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Trojans and Greeks are both groups of _____________ .
a)
asteroids
b)
exoplanets
c)
meteoroids
d)
dwarf planets
2.
In this method of estimating stellar distances, the movement of an object over the course of the Earth’s orbit around the sun is compared against a non-moving background.
a)
parallax
b)
standard candles
c)
radar measurements
d)
laser measurements
3.
In this layer of the sun, energy sometimes travels by high energy X-rays.
a)
radiative zone
b)
convective zone
c)
magnetic zone
d)
danger zone
4.
Which of these elements will NEVER be generated by fusion in the Sun?
a)
uranium
b)
helium
c)
carbon
d)
oxygen
5.
What type of celestial body is pictured in the labeled photo below?
a)
asteroid
b)
comet
c)
meteoroid
d)
planetoid
6.
How does the color of a star relate to its temperature?
a)
bluer= hotter; redder =
cooler
b)
bluer= cooler; redder =
hotter
c)
(the color of a star is
unrelated to its temperature)
d)
greener= cooler; redder =
hotter
7.
Which layer of the sun is visible on Earth to the naked eye?
a)
chromosphere
b)
photosphere
c)
radiative zone
d)
convective zone
8.
For a very large star, which of these would be its most likely final life stage?
a)
white dwarf
b)
red dwarf
c)
brown dwarf
d)
neutron star
9.
Which of these important historical figures supported a heliocentric model of the universe?
a)
Ptomely
b)
Aristotle
c)
Pope Paul V
d)
Galileo
10.
Which region of the world maintained & expanded Astronomical knowledge during Europe’s "dark ages"?
a)
Central America
b)
North America
c)
Middle East
d)
Antarctica
11.
What are the two forces at play in hydrostatic equilibrium within stars?
a)
thermal pressure out -
gravitational pressure in
b)
thermal pressure in -
gravitational pressure out
c)
magnetic pressure in
-gravitational pressure out
d)
magnetic pressure out
-radiation pressure in
12.
In Newton's gravitational force equation, what are the two factors that affect gravity?
a)
distance between them &
their masses
b)
magnetic attraction between
them & their masses
c)
their masses & their
speeds
d)
distance between them &
their speeds
13.
Which of the following has the most eccentric orbit?
a)
Hale-Bopp comet
b)
Jupiter
c)
Mercury
d)
the Moon
14.
The Earth's moon is very large compared to other moons because it probably...
a)
was formed by a massive
collision with the Earth
b)
was harnessed by the
Earth's gravity recently
c)
was part of the Kuiper Belt
until 1 billion years ago.
d)
was part of the Oort Cloud
until 0.5 billion years ago.
15.
Which of the following is most likely to occur as the sun ages?
a)
The Sun becomes a blue
giant.
b)
The Sun goes supernova.
c)
The Sun envelopes Pluto.
d)
A helium flash occurs.
16.
Which of these was the first to form in our solar system?
a)
Jupiter
b)
Mars
c)
Earth
d)
the Sun
17.
What is true of an “open cluster”?
a)
It contains several
galaxies within its structure.
b)
It has stars formed from
the same giant molecular cloud.
c)
It has stars of varying age
and composition.
d)
It is comprised of a group of asteroids.
18.
The process by which planets form from small pieces of dust and rock is called...
a)
accumulation
b)
accretion
c)
accreditation
d)
accolade-making
19.
The average distance between the Earth and the Sun is 92.96 million miles. This distance is also equal to...
a)
1 astronomical unit
b)
1 light year
c)
1 parsec
d)
5 billion haads
20.
Which of the layers of the sun shown on this diagram would be hottest?
a)
W
b)
X
c)
Y
d)
Z
100 %
