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WorksheetsAstronomy Chapter 1
Total questions: 15
Worksheet time: 8mins
Where is the celestial north pole located?
directly over Earth's north geographical pole
directly over Earth's north magnetic pole
directly over Earth's south geographical pole
directly over Earth's south magnetic pole
Where is the celestial equator located?
directly over Earth's north geographical pole
directly over Earth's Tropic of Capricorn
directly over Earth's equator
directly over Earth's Tropic of Cancer
Where is the zenith of the celestial sphere located?
directly over Earth's north geographical pole
directly overhead
directly over Earth's equator
on the horizon
What angle of declination is the zenith of the celestial sphere?
0 degrees
90 degrees
180 degrees
60 degrees
What does the right ascension refer to in the celestial sphere?
East / West location of an object
North / South location of an object
How bright an object is
How fast an object in the sky is moving
Which two things can you tell about your location on Earth by observing the North Star
Your direction of travel and lattitude
Your direction of travel and longitude
Your elevation and latitude
Your declination and right ascension
How do things in the night sky move because of our revolution?
East to West
West to East
North to South
South to East
Why does the Earth have seasons?
We get closer and farther from the sun throughout the year.
Our axis of rotation is tilted the same direction as we go around the sun.
Our axis of rotation moves toward and away from the sun.
The Moon blocks and unblocks heat from the sun throughout the year.
What is meant by Earth's revolution?
Its movement around the Sun
Its spin in its axis
What is insolation?
Length of rotation on Earth
Amount of energy striking an area of Earth's surface
It is what holds heat in during the greenhouse effect
The angle upward to any star
In which season does the Northern Hemisphere have the greatest amount of solar insolation
Summer
Spring
Winter
Fall
How long does it take the lunar cycle to complete?
29.5 Days
27.3 Days
50 minutes
365 days
What direction does the earth rotate when viewed from above to the north pole?
clockwise
counter clockwise
In what phase can a solar eclipse happen?
Full
New
First Quarter
Waning Crescent
Why don't eclipses happen every new and full moon?
the moon is too small to make a big enough shadow
the moon's orbital plane is tilted when compared to ours
the moon orbits directly around our equator
eclipses can only happen in the summer
