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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
The height of an object in the sky ---above the HORIZON is called...
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altitude
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September 23 the first day of fall in the Northern Hemisphere
Dayight and nightime are equal in length |
Autumn Equinox
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An Imaginary straight line ---- (through the earth)
between the North and South pole---- |
Axis of rotation
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on which the earth rotates
tilted 23 1/2 degrees (from the plane of the earth) |
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The effect of the earths rotation
that causes the DEFLECTION of moving objects ---- toward or away from the equator |
Coriolis effecf
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The turning of an object on its axis
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Rotation
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the highest position of the sun as it moves on the arc from east to west
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Solar noon
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Time told by the sun
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Solar time
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Th first day of spring about
March 21st |
Spring Eqinox
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this is when you advance the standard time of day by one hour for more than six months a year
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Daylight savings time
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Imaginary line throughthe Pacific ocean where the date changes
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International dateline
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roughly around the 180th meridian
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the apparent shift in an object's position caused by the motion of the observer
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Parallax
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this is how the earth's axis behaves during its revolution
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Parallelism of axis
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sometimes called the zone meridian, this is the meridian from which we measure longitude
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The prime Meridian
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It passes throug reenwhich England Spain Algeria, Ghana.burkina, and Mali
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The movement of the earth in its orbit around the sun
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Revolution
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an area where time is based on an average solar time at a particular meridian over a belt of 15 degrees longitude
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A standard time zone
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In the Northern Hemisphere this is the longest day of the year
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Summer soltice
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This is the place where each time zone is centered on a line of longitude which can be divided evenly by 15 degrees
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Time Meridian
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Around December 21st it is the first day of winter
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Winter solstice
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this is the point in the sky that is directly above the observer
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Zenith
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