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Earth Environmental Astronomy Review
Test Description: Review questions from the study guide.
Instructions: Answer all questions to get your test result.
1) Which describes the difference between the heliocentric and geocentric views of the solar system?
A
geocentric- the sun is the center of the universe heliocentric- the earth is the center of the universe
B
geocentric- the earth is the center of the universe heliocentric- the moon is the center of the universe
C
geocentric- rocks are the center of the Earth heliocentric- the helios is the center of the universe
D
geocentric- the earth is the center of the universe heliocentric- the sun is the center of the universe
2) Where did the elements needed to form the solar system come from?
A
the milky way
B
the sun
C
a solar nebula
D
black holes
3) Which describes the doppler effect?
A
The doppler effect explains how the wavelengths of light change as galaxies move and suggest that the universe is expanding
B
The doppler effect explains how the wavelengths of light change as galaxies move and suggest that the universe is compacting
C
The doppler effect explains how the wavelengths of light change due to nuclear fusion suggest that the universe is expanding
D
The doppler effect explains how the wavelengths of light seem more red as stars move and that the universe is expanding
4) Which describes how the sun was formed?
A
nucelar fusion of hydrogen and helium formed the sun
B
nuclear fission of hydrogen and helium formed the sun
C
nuclear fusion of tritium and hydrogen formed the sun
D
nucelar fission of hydrogen and tritium formed the sun
5) Which describes the atmosphere of early Earth?
A
Early Earth's atmosphere was filled with oxygen from cyanobacteria
B
Early Earth's atmosphere contained oxygen, nitrogen, and carbon dioxide
C
Early Earth's atmopshere was composed of hydrogen, helium, oxygen, and nitrogen
D
Early Earth's atmosphere was toxic containing sulfur, methane, carbon dioxide, and carbon monoxide.
6) What evidences did scientists use to explain how water came to exist on Earth?
A
water was trapped with salt in meterorites and released when they collided with Earth
B
water came from the collision of a star with the solar nebula when the Big Bang occurred.
C
water from the atmosphere condensed around dust in and formed precipitation
D
water vapor was released from Earth's interior and collected on land
7) Which is the cause of a change in the direction of Earth's tilt that results in the different positions of the North Star?
A
nutation
B
rotation
C
revolution
D
precession
8) Which is the cause of the change in angle of tilt that results in slight changes on the seasons?
A
precession
B
revolution
C
nutation
D
rotation
9) Which describes the relationship of the barycenter between the Sun and planets?
A
The barycenter causes planets to increase speed as they become closer to the Sun in their orbits and slower as they move away
B
The barycenter maintains the position, alignments of planets in respect to the Sun.
C
The barycenter influences the orbital period of planets.
D
The barycenter causes orbits to be elliptical
10) Which describes the placement of direct sunlight, the angle of incidence, at the equinoxes?
A
The angle of incidence is directly over the tropic of cancer
B
The angle of incidence is directly over the equator
C
The angle of incidence is directly over the North Pole
D
The angle of incidence is directly over the tropic of capricorn
11) Which receives the most direct sunlight during summer in the Northern Hemisphere?
A
The North Pole
B
The equator
C
The tropic of capricorn
D
The tropic of cancer
12) Which receives the most direct sunlight during winter in the Northern Hemisphere?
A
The Tropic of Capricorn
B
The Tropic of Cancer
C
The North Pole
D
The Equator
13) Which describes the effect of the equinoxes on Earth's day?
A
There is more daylight
B
There are equal amounts of daylight and darkness
C
There are six months of light and six months of dark in the North Pole
D
There is less daylight
14) Which describes the effects of the summer and winter solstices?
A
During the summer solstice the North Pole receives direct sunlight, in the winter there is none
B
During the summer solstice there are equal amounts of night and day, during the winter there are more hours of darkness
C
During the summer solstice the length of daylight is the greater than dark, in the winter daylight is less than night
D
During the summer solstice days are warmer and during the winter they are colder
15) Which factors are responsible for Earth's seasons?
A
rotation and nutation
B
rotation (tilt) and revolution
C
precession and nutation
D
rotation and barycenter
16) If sunlight is direct on the tropic of cancer, what season does the Southern hemisphere experience?
A
Fall
B
Spring
C
Winter
D
Summer
17) How would you determine the seasons of the Northern Hemisphere in a diagram using the North Pole?
A
If the North Pole is towards the sun it is winter and away from the sun is spring.
B
If the North Pole is towards the sun it is spring and away from the sun is fall.
C
If the North Pole is towards the sun it is fall and away from the sun is summer.
D
If the North Pole is towards the sun it is summer and away from the sun is winter.
18) In which moon phases do we observe and half moon?
A
3rd quarter and full
B
new and 1st quarter
C
full and new
D
1st quarter and 3rd quarter
19) In which moon phases does Earth experience neap tides?
A
1st quarter and 3rd quarter
B
full and new
C
3rd quarter and full
D
new and 1st quarter
20) Which describes the position of the Sun, Earth, and Moon in a solar and lunar eclipse?
A
Solar- Earth,Sun, Moon Lunar-Sun, Moon, Earth
B
Solar- Sun, Moon, Earth Lunar-Sun, Earth, Moon
C
Solar- Moon, Sun, Earth Lunar- Sun, Earth, Moon
D
Solar- Sun, Earth, Moon Lunar- Moon, Sun, Earth
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