science
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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| phases | one of the different apparent shapes of the moon as seen from Earth
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| eclipse | the partial or total blocking of one object in space by another
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| solar eclipse | the blocking of sunlight to Earth that occurs when the moon is directly between the sun and Earth
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| umbra | the darkest part of a shadow
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| penumbra | the part of a shadow surrounding the darkest part
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| lunar eclipse | the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon
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| tide | the periodic rise and fall of the level of water in the ocean
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| spring tide | the tide with the greatest difference between consecutive low and high tides
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| neap tide | the tide with the least difference between consecutive low and high tides
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| telescope | a device built to observe distant objects by making them appear closer
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| maria | dark, flat areas on the moon's surface formed from huge ancient lava flows
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| craters | a large round pit caused by the impact of a meteroid
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| meteoroids | a chunk of rock or dust in space
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| astronomy | the study of the moon, stars, and other objects in space
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| axis | an imaginary line that passes through Earth's center and the north and south poles about which Earth rotates
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| revolution | the movement of an object around another object
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| orbit | the path of an object as it revolves around another object in space
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| calendar | a system of organizing time that defines the beginning, length, and divisions of a year
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| solstice | the two days of the year an which the sun reaches its greatest distance north or south the equator
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| equinox | the two days of the year on which neither hemisphere is tilted toward or away from the sun
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| force | a push or pull exerted on an object
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| gravity | the attractive force between objects (strength depends on their masses and the distance between them)
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| law of universal gravitation | 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 | an object in motion will stay in motion and an object at rest will stay at rest unless stopped
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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.
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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:
hballard
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