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Astronomy
Test Description: Insolation
Instructions: Answer all questions to get your test result.
1) The length of an Earth day is determined by the time required for approximately one
A
Earth revolution
B
Sun revolution
C
Earth rotation
D
Sun rotation
2) To an observer in Buffalo, New York, the North Star, Polaris, is always located above the northern horizon at an altitude of approximately
A
90В°
B
66.5В°
C
23.5В°
D
43В°
3) Which planet is approximately thirty times farther from the Sun than Earth is?
A
Saturn
B
Neptune
C
Jupiter
D
Uranus
4) Which object is located at one foci of the elliptical orbit of Mars?
A
Earth
B
Betelgeuse
C
Jupiter
D
the Sun
5) What is the basic difference between ultraviolet, visible, and infrared radiation?
A
half-life
B
temperature
C
wave velocity
D
wavelength
6) The apparent daily path of the Sun changes with the seasons because
A
the Sun revolves
B
Earth's axis is tilted
C
the Sun rotates
D
Earth's distance from the Sun changes
7) Summer days in New York State are likely to be hotter than winter days because in summer
A
the number of sunspots increases
B
Earth is closer to the Sun
C
Earth’s northern axis is tilted toward the Sun
D
the Sun gives off more energy
8) Which observation provides the best evidence that Earth rotates?
A
The direction of swing of a freely swinging pendulum changes during the day.
B
The position of the planets among the stars changes during the year.
C
The location of the constellations in relationship to Polaris changes from month to month.
D
The length of the shadow cast by a flagpole at noontime changes from season to season.
9) Which planet has an orbit with an eccentricity most similar to the eccentricity of the Moon’s orbit around Earth?
A
Jupiter
B
Earth
C
Saturn
D
Pluto
10) A cycle of Moon phases can be seen from Earth because the
A
Moon spins on its axis
B
Moon revolves around Earth
C
Moon’s axis is tilted
D
Moon’s distance from Earth changes at a predictable rate
*select an answer for all questions
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