AST 1.1 Science quiz
Terms in this set (34)
When an object spins on a centralized axis
How long does it take for the earth to make a full rotation
The movement of one object around another
How long does it take for the earth to make one full revolution
The rotation of the earth causes what
Day and night
2 examples of ancient calanders
1. Stonehenge in the British Isles
-movement with giant stones mark the directions I. Which the sun rises and sets on the longest day of the year
2. Big Horn Medicine Wheel in Wyoming
-individual stones aligned with the rising and setting sun and several bright stars
What is the time between 1 full moon and the next/how long do the phases of the moon take to get one full cycle?
About 29 and a half days/a month
An extra day that is added to February every 4 years
The first calendars where created by who?
How Egyptian calendars worked
Astronomers counted the days between each first appearance of the star Sirius
Earth's path as it revolves around the sun
An imaginary line that passes through the center of Earth and goes through the North and South poles
How does sunlight hit the earth at the equator
How does sunlight hit earth closer to the poles
At an angle
When the sunlight hits earth near the poles...
Energy from the sun is spread over a greater area and that is why it is warmer at the equator and colder near the poles
Why do seasons occur
earths axis is tilted as it moves around the sun
Earth is tilted ___________ on its axis
23.5˚ on its axis
As earth revolves around the sun, its axis...
Is tilted away from the sun for part of the year and toward the sun for the other part of the year
When the northern hemisphere is tilted toward the sun, the north has
When the northern hemisphere is tilted toward the sun the south has
Seasons are NOT affected by...
Changes in earths distance from the sun
In June, the north end of earths axis is titled
Towards the sun
The measurement of distance from the equator
Noon, the sun is directly overhead at...
23.5˚ N latitude
The hemisphere tilted toward the sun has more (blank) than the hemisphere tilted away from the sun
Hours of daylight
In June, the Northern hemisphere has....
When is the Spring Equinox
When is the WInter Solstice
When is the Fall Equinox
When is the Summer Solstice
What is the positioning of the earth during the Spring Equinox
What is the positioning of earth during the Winter Solstice
What is the positioning of earth during the Fall Equinox
What is the positioning of earth during the Summer Solstice
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