7th grade science friction quiz
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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What is friction | A force that opposes motion between two surfaces that are touching
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What are the two factors that determine the amount of friction | Force pushing surface together and roughness of surface
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What is acceleration | The rate of velocity change over time
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Give an example of a balanced force | A ball not moving
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Give an example of an unbalanced force | A ball moving
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What is one way to reduce friction | Add a lubricant
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What is one way to increase friction | Add sand and salt to icy roads
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How can friction be harmful |
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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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