Earth, Moon, and Sun
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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| astronomy | the study the moon, stars, and other objects in space
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| axis | the imaginary line that passed through Earth's center and the north and south poles
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| rotation | the spinning of earth on its axis
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| revolution | movement of one object around another
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| orbit | a path of an object takes as it revolves around another object
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| calander | a system of organizing time that defines the beginning length and divisions of a year
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| solstice | when the sin is farthest north or south of the equater
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| equinox | when the noon sun is directly overhead at the equator, happens 2 a year
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| force | a push or pull
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| gravity | attracts all objects toward each other
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| law of universal gravitation | states that every object in the universe attracts every other object
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| mass | the amount of matter in an object
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| weight | the force of gravity on an object
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| inertia | the tendency of an object to resist a change in motion
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| Newton's first law of motion | says that an object at rest will stay at rest and a object in motion will stay in motion
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| phases | 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 object
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| solar eclipse | when a new moon blocks your view of the sun
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| umbra | the very darkest part of the moon's shadow
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| penumbra | the moon casts a part of its shadow that is less then the umbra
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| lunar eclipse | occurs at a full moon when the Earth is directly between the moon and the sun
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| tide | the rise and fall of ocean water that occurs every 12.5 hours or so
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| spring tide | combined forces produce a tide with the greatest difference between consecutive low and high tides
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| neap tide | the sun's pull is at right angles to the moon's pull
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| telescope | a device built to observe distant objects by making them appear closer
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| maria | the moon's surface's dark flat areas
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| craters | large round pits on the moon's surface
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| meteoroids | chunks of rock or dust from space
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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.
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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:
mjbernhardt3
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