Schrift-wk 4.4 tides
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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| the regular rise and fall of the ocean's surface | tides
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| an invisible force that pulls object toward each other | gravity
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| the force of gravity between two objects depends on two things | the amount of mass the objects have and the distance between the tow objects
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| what causes tides | the gravitational pull of the moon on earth's oceans
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| the number of high and low tides that happen each day | two high tides and two low tides
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| about how often do the tides change between high and low tides? | about every six hours
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| the more mass an object has | the more gravitational pull the object has
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| the closer objects are to each other | the more gravitational attraction they will have on one another
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| about how long is it between two high tides | about every 12 and 1/2 hours
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| blank | blank
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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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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:
kschrift
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