Mr.Lodico, Period 7, Test, 3-13-13

question answer
atronomy the study of the moon,stars and other oblects in space
rotation the spinning on its axis
fun facts -Earths rotation on its axis causes day and night -it takes earth about 24 hours to rotate once on its axis
revolution the movement of one object around another object
orbit Earths path as it revolves around the sun
calendar a system of organizing time that defines the beginning,length and divisions of a year
facts earth has seasons because it is tilted as it moves around the sun
solstice when the sun reaches its greatest distance North or South of the equator
equinox when the noon sun is directly overhead of the equator
fun facts the moon revolves around the earth every 27.3 days
phases the diffrent shapes of the moon that you see from Earth
eclipse when an object in space comes between the sun and a third object that casts a shadow on that object
solar eclipse occrus when a new moon blocks your veiw of the sun.
umbra the darkest part of the moons shadow
penumbra another part of the shadow is less dark and larger than the umbra.
lunar eclipse occurs at a full moon when earth is direcly between the moon and the sun
facts the moon revolves around earth every 27.3 days. during a lunar eclipse Earths shadow falls on the moon
tides the rise and fall of the oceans water every 12.5 hours. the force of gravity pulls the moon and earth toward each other
spring tide

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