8th Science U4 L2
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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| a push or pull exerted on an object in order to change the motion of the object;has size and direction | force
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| a set of forces on an object that cancel one another out so that there is no overall force on the object; the combined force is the same as zero force; will not cause a change in the motion of an object | balanced forces
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| the combination of all of the forces acting on an object | net force
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| the SI unit for force (symbol, N) | newton
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| a set of forces exerted on an object that change the motion of that object; the combined force has size and direction; needed to made an object start moving, speed up, slow down, or change direction | unbalanced forces
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| a quantity that has both size and direction | vector
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| the speed of an object in a particular direction | velocity
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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:
ashaver
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