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WorksheetsAstronomy Final Review
Total questions: 46
Worksheet time: 44mins
Name
Class
Date
1.
Which ancient astronomer developed a geocentric model of the universe explaining the observable motions of the planets?
a)
Aristotle
b)
Ptolemy
c)
Copernicus
d)
Newton
2.
Aristotle concluded that Earth was round because ____.
a)
it always casts a curved shadow during a lunar eclipse
b)
he sailed around the world
c)
he calculated Earth’s circumference
d)
it exhibited retrograde motion
3.
The apparent westward movement of a planet against the background of stars is called ____.
a)
retrograde motion
b)
revolution
c)
rotation
d)
universal gravitation
4.
The geocentric model of the universe stated that ____.
a)
Earth revolved around the celestial sphere
b)
the sun was the center of the universe
c)
Earth was a “wanderer”
d)
Earth was the center of the universe
5.
In the Ptolemaic model of the universe, ____.
a)
Earth was flat
b)
Earth was the center of the universe
c)
the sun was the center of the universe
d)
Earth
6.
A measure of the total amount of matter an object contains is called ____.
a)
density
b)
mass
c)
volume
d)
weight
7.
The first early astronomer to propose a sun-centered solar system was ____.
a)
Galileo
b)
Newton
c)
Copernicus
d)
Brahe
8.
Which scientist discovered that Venus has phases, just like the moon?
a)
Ptolemy
b)
Copernicus
c)
Kepler
d)
Galileo
9.
The force that gravity exerts on an object is called ____.
a)
mass
b)
weight
c)
density
d)
voiume
10.
What is the shape of a planets orbit?
a)
elliptical
b)
circular
c)
irregular
d)
parabolic
11.
Which scientist determined the nature of the forces that keep the planets in their orbits?
a)
Copernicus
b)
ZGalileo
c)
Brahe
d)
Newton
12.
According to the third law of planetary motion, the period of revolution of a planet is related to the planets ____.
a)
distance to the sun
b)
size
c)
gravitational attraction
d)
orbital speed
13.
What movement of Earth is responsible for night and day?
a)
rotation
b)
revolution
c)
precession
d)
perigee
14.
The movent of a body around another object is known as ____.
a)
rotation
b)
revolution
c)
precession
d)
apogee
15.
Seasons are caused by ____.
a)
Earth’s rotation
b)
precession
c)
Earth's tilted axis
d)
Earth's distance from the sun
16.
The moons period of revolution is 27 1/3 days, and its period of rotation is ____.
a)
27 1/3 days
b)
29 1/2 days
c)
30 1/3 days
d)
33 1/2 days
17.
The length of daylight on the moon is about ____.
a)
24 hours
b)
48 hours
c)
two weeks
d)
one month
18.
During the period that the moons phases are changing from new to full, the moon is ____.
a)
waning
b)
approaching Earth
c)
waxing
d)
exhibiting retrograde motion
19.
What occurs when the moon casts its shadow on Earth?
a)
lunar eclipse
b)
solar eclipse
c)
sidereal month
d)
synodic month
20.
Round depressions on the moons surface are called ____.
a)
highlands
b)
maria
c)
craters
d)
meteorites
21.
Maria formed from which of the following?
a)
basaltic lava
b)
lunar regolith
c)
ancient water erosion
d)
none of the above
22.
Which statement best explains why the moon has more craters than Earth?
a)
Earth has never been struck by rapidly moving debris.
b)
Weathering and erosion do not occur on the moon.
c)
The moon is tectonically active.
d)
The moon has a thicker atmosphere.
23.
How old is the moon?
a)
much older than Earth
b)
about the same age as Earth
c)
much younger than Earth
d)
older than the sun
24.
Which statement supports the giant-impact hypothesis of the moons formation?
a)
The moon lacks a sizable iron core.
b)
The moon is covered with craters.
c)
The moon’s surface has changed dramatically over the past hundred million years.
d)
The moon has no mantle.
25.
Which color has the longest wavelength?
a)
red
b)
blue
c)
green
d)
orange
26.
Which type of spectrum is associated with the radiation of most stars?
a)
absorption spectrum
b)
emission spectrum
c)
discontinuous spectrum
d)
continuous spectrum
27.
Which famous scientist first used a telescope for astronomical observations?
a)
Einstein
b)
Newton
c)
Galileo
d)
Hale
28.
What was the first space telescope built by NASA?
a)
Hubble Space Telescope
b)
Chandra X-Ray Observatory
c)
Compton Gamma-Ray Observatory
d)
James Webb Space Telescope
29.
What advantage do space telescopes have over telescopes used on Earth?
a)
They are much cheaper to build.
b)
They are not affected by Earth’s atmosphere.
c)
They do not need lenses or mirrors to gather light.
d)
They last longer.
30.
The layer of the sun that radiates most of the light that reaches Earth is the ____.
a)
photosphere
b)
corona
c)
chromoshpere
d)
ionsphere
31.
The outermost layer of the sun is called the ____.
a)
ionosphere
b)
photosphere
c)
corona
d)
chromosphere
32.
Which part of the sun lies directly above the visible surface of the sun?
a)
photosphere
b)
chromosphere
c)
corona
d)
ionosphere
33.
By observing sunspots, Galileo concluded that the sun ____.
a)
was dying
b)
was solid
c)
rotated on its axis
d)
dimmed and brightened
34.
Sunspots appear dark because they are ____.
a)
relatively cool
b)
relatively hoyq
c)
deep holes
d)
solid areas
35.
The product of nuclear fusion is ____.
a)
hydrogen
b)
oxygen
c)
helium
d)
nitrogen
36.
The source of the suns energy is ____.
a)
chemical burning
b)
nuclear fission
c)
nuclear fusion
d)
photosynthesis
37.
The sun can continue to exist in its present stable state for about another ____.
a)
5.5 billion years
b)
10 billion years
c)
15.5 billion years
d)
100 billion years
38.
In the equation E = mc2, what does c represent?
a)
gravitational attraction
b)
atomic mass
c)
speed of light
d)
chemical composition
39.
An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an unbalanced force.
a)
Newtons 1st law
b)
Newtons 2nd law
c)
Newtons 3rd law
d)
Newtons 4th law
40.
Inertia is the tendency of an object to resist changes in its velocity:whether in motion or motionless.
a)
True
b)
Fale
41.
Which has more inertia a large truck or a small car?
a)
large truck
b)
small car
42.
Which is not an unbalanced force?
a)
friction
b)
gravity
c)
a wall
d)
air
43.
An object will accelerate if a force is applied to it.
a)
Newtons 1st law
b)
Newtons 2nd law
c)
Newtons 3rd law
d)
Newtons 4th law
44.
Froce equals mass times gravity.
a)
true
b)
false
45.
Pushing a cart with twice the force produces twice the acceleration.
a)
true
b)
false
46.
For every action there is an equal and opposite reaction.
a)
Newtons 1st law
b)
Newtons 2nd law
c)
Newtons 3rd law
d)
Newtons 4th law
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