NEW
Font size
S
M
L
XL
WorksheetsAST 101 - Unit 2 Review
Total questions: 54
Worksheet time: 38mins
Name
Class
Date
1.
Why do we experience the changing of the season on the earth?
a)
distance from the sun
b)
rotation of the earth
c)
change in solar output
d)
tilt of the earth's axix
2.
The Earth's axis is tilted _____ degrees.
a)
23.5
b)
25.3
c)
30.2
d)
24
3.
What happens when the area in which you live tilts away from the sun?
a)
It is summer.
b)
It is spring.
c)
It is winter.
d)
It is fall.
4.
What do June 21 and December 21 have in common?
a)
equinox dates
b)
the moon is full
c)
solstice dates
d)
the cold fronts blow in
5.
What is the longest day of the year?
a)
winter solstice
b)
summer solstice
c)
fall equinox
d)
spring equinox
6.
Which season has the least amount of daylight in the Northern Hemisphere?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
7.
What causes there to be longer number of hours of light during the summer
a)
Earth tilt's away from the sun in summer
b)
Earth's revolves slower in summer
c)
Earth tilts toward the sun in summer
d)
Earth is closer to the sun
8.
First day of spring
a)
Autumnal Equinox
b)
Summer Solstice
c)
Winter Solstice
d)
Vernal Equinox
9.
If its ____ in the Northern hemisphere, then its fall in the Southern hemisphere.
a)
spring
b)
summer
c)
fall
d)
winter
10.
The Earth's _______ is an imaginary line that goes from the North Pole to the South Pole.
a)
vernal equinox
b)
axis
c)
solar eclipse
d)
solar flare
11.
What are the reasons for the seasons?
a)
Earth's tilt and rotation.
b)
Earth's rotation and revolution.
c)
Earth's tilt and revolution.
d)
Earth's tilt and resolution
12.
What is Earth's annual motion around the sun called?
a)
Rotation
b)
Revolution
13.
Which movement of Earth causes day and night?
a)
rotation
b)
revolution
14.
Where on Earth can you experience entire days of darkness?
a)
The equator
b)
The poles
c)
The Tropic of Cancer
d)
The Tropic of Capricorn
15.
What moon phase is this picture?
a)
This is the full moon phase.
b)
This is the waxing gibbous moon phase.
c)
This is the waning gibbous moon phase.
d)
This is the first quarter moon phase.
16.
What moon phase is this picture?
a)
This is the waning crescent phase.
b)
This is the waxing gibbous phase.
c)
This is the waning gibbous phase.
d)
This is the new moon phase.
17.
What is this moon phase?
a)
This is the waxing crescent phase.
b)
This is the full moon phase.
c)
This is the waxing gibbous phase.
d)
This is the last quarter moon.
18.
What is this moon phase?
a)
This is the waxing gibbous moon phase.
b)
This is the last quarter moon phase.
c)
This is the first quarter moon phase.
d)
This is the new moon phase.
19.
What moon phase is this picture?
a)
This is the full moon phase.
b)
This is the waxing crescent moon phase.
c)
This is the waning gibbous moon phase.
d)
This is the waning crescent moon phase.
20.
What moon phase is this picture?
a)
This is the new moon phase.
b)
This is the waxing crescent moon phase.
c)
This is the waxing gibbous moon phase.
d)
This is the waning crescent moon phase.
21.
What phase of the moon is this image?
a)
This is the last quarter moon phase.
b)
This is the full moon phase.
c)
This is the first quarter moon phase.
d)
This is the waxing gibbous moon phase.
22.
What is the difference between a gibbous moon and a crescent moon?
a)
The gibbous shows more than half of the bright side of the moon.
b)
The crescent shows more than half of the bright side of the moon.
c)
The gibbous shows less than half of the bright side of the moon.
23.
How many phases does the moon go through?
a)
4
b)
8
c)
10
d)
16
24.
As the moon's shape appears to get smaller, we say that the moon is _.
a)
swelling
b)
waxing
c)
waning
d)
disappearing
25.
Phases of the moon in which the moon appears to be getting larger are referred to as _.
a)
waxing
b)
waning
c)
new
d)
eclipse
26.
Define Gibbous
a)
Less than half of moon visible
b)
More than half of moon visible
c)
All of moon visible
d)
None of moon visible
27.
The 1st Quarter moon is lit on the:
a)
Left Side
b)
Right Side
28.
What is the correct order of the moon phases?
a)
new, full, 1st quarter, 3rd quarter
b)
new moon, 1st quarter, full moon, 3rd quarter
c)
1st quarter, 3rd quarter, new moon, full moon
d)
new, 1st quarter, 3rd quarter, full
29.
What allows us to see the non-illuminated portion of the Moon?
a)
The Sunlight reflecting off the Earth
b)
The city lights from big cities
c)
Starlight
d)
The reflecting light off Mars
30.
A solar eclipse only happens during a ________ moon.
a)
New
b)
Cresent
c)
Gibbous
d)
Full
31.
In order to have an eclipse, the Moon, Sun and Earth have to be?
a)
Below each other
b)
Above each other
c)
Lined up exactly
32.
Name the eclipse.
a)
solar eclipse
b)
lunar eclipse
33.
A lunar eclipse only occurs during which moon phase?
a)
New Moon
b)
3rd Quarter
c)
Full Moon
d)
1st Quarter
34.
What is the darkest inner part of the shadow cone called, where a total eclipse can be viewed.
a)
Total
b)
Umbra
c)
Penumbra
35.
a)
solar eclipse
b)
lunar eclipse
36.
The name for the average sun-to-earth distance is
a)
A Year
b)
A Light Year
c)
An Astronomical Unit
d)
A Parsec
37.
The occasional westward (left to right) motion of planets across the celestial sphere is called:
a)
retrograde rotation
b)
retrograde revolution
c)
retrograde motion
d)
reverse motion
38.
True or False: All planets undergo retrograde motion as seen from Earth.
a)
True
b)
False
39.
The "backward loops" that most planets would appear to do once a year is called
a)
planetary motion.
b)
retrograde motion.
c)
prograde motion.
d)
a mystery.
40.
Ancient astronomers used 'epicycles' to explain...?
a)
Retrograde Motion
b)
Constellation Movement
c)
Moon's Phases
d)
Planetary Transits
41.
What is the following diagram developed by Ptolemy attempting to explain?
a)
How the relative distance of the earth can be determined
b)
Heliocentric model
c)
Geocentric model with stellar parallax
d)
Geocentric model with the retrograde motion of Mars
42.
What is the Heliocentric model?
a)
Earth is fixed at the center and all the planets, the moon, and the sun orbit around it.
b)
Sun is assumed to lie at or near a central point while the earth and other planets revolve around it.
c)
Moon and sun move around the earth at the center while other planets orbit around the sun
d)
All objects in the sky sit on moving spheres, with the Earth at the center.
43.
Which is NOT part of Tycho Brahe's contribution to Astronomy?
a)
Three laws of planetary motion
b)
Accurate observations of stars and planets
c)
Careful observations of a supernova and comet
d)
Telescopic observations of Venus and Jupiter's moons
44.
Who explained retrograde motion using epicycles?
a)
Copernicus
b)
Ptolemy
c)
Kepler
d)
Galileo
45.
An astronomer who suggested elliptical orbit for the planets
a)
Copernicus
b)
Brahe
c)
Kepler
d)
Galileo
46.
Galileo approached questions in a fashion that is now known as what?
a)
scientific theory
b)
scientific method
c)
earth science
d)
scientific law
47.
When Galileo peered into the telescope and saw that Venus went through phases, what did this suggest?
a)
The telescope must possibly be wrong.
b)
Venus had a moon orbiting it.
c)
Venus must be orbiting the Sun.
d)
Venus had moons just like Earth.
48.
Whose heliocentric model is seen as the first step in the development of the modern models of the solar system?
a)
Galileo
b)
Copernicus
c)
Ptolemy
d)
Kepler
49.
A model of the universe in which Earth is at the center of the revolving planets and stars. This includes the sun revolving around the Earth. This model is no longer supported.
a)
Geocentric
b)
Heliocentric
50.
The Word "Helio" Refers To?
a)
Earth
b)
Mars
c)
Sun
d)
Juputer
51.
The Word "Geo" Means?
a)
Sun
b)
Earth
c)
Milky way
d)
Back
52.
A model of the solar system in which Earth and the other planets revolve around the SUN.
a)
Heliocentric
b)
Geocentric
53.
What is the "lunar month" called?
a)
A Synodic Month
b)
A Diurnal Month
c)
A Sidereal Month
d)
An Equinox
54.
The orbital period of one object (moon) around another object (Earth) measured with respect to the stars.
a)
sidereal
b)
magnitude
c)
precession
d)
synodic
Reset
