4th Grade Harcourt Science Unit F Chapter 2 Motion-Forces @ wk
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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| relative motion | motion that is described based on a frame of reference
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| motion | any change of position
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| acceleration | change in the speed or direction of an object's motion
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| gravity | force that pulls all objects toward each other
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| position | describes a certain place
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| force | any push or pull
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| newton | metric unit of force
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| frame of reference | things around you that you use to describe motion
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| speed | measure of an object's change of position during a unit of time
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| weight | measure of the force of gravity on an object
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| friction | force that keeps two objects that are touching from easily sliding past each other
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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:
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