Key Vocabulary for Space Systems Lesson 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Phase | the different shapes of the moon you see from Earth
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Eclipse | when an object in space comes between the sun and a third object, it casts a shadow on the third object
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Umbra | the very darkest part of the shadow during an eclipse, where the light from the sun is completely blocked
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Penumbra | the area of the shadow during an eclipse where the sun is only partially blocked
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Tide | the rise and fall of ocean water that occur approximately every 12.5 hours, and are a result from gravitational differences between Earth, the moon, and the sun
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Spring Tide | when the gravity of the sun and moon combine to produces a significant difference between low and high tide (during new moon and full moon phases)
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Neap Tide | when the moon, sun, and earth are at a right angle and the moon and sun's gravity is pulling in different directions to cause the least difference in high and low tide (1st and 3rd quarter moons)
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Waxing | when the amount of light reflected/illuminated on the moon appears to grow /increase each night
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Waning | when the amount of light reflected/illuminated on the moon appears to disappear/shrink each night
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
jbohannon
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