Elem Chem/Phy 7
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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| Friction | A force that holds back the motion of an object
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| Traction | The friction between two objects that keeps them from sliding across each other.
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| Adhesion | The sticking together of two different materials .
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| Cohesion | The material sticking to itself.
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| Lubricant | A substance that reduces friction
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| Drag | The friction that slows an object as it moves forward through air or water.
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| Gravity | Falling towards the center of the earth. The force God created.
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| The law of universal gravitation | The closer things are to one another, the more powerful the attraction.
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| Terminal Velocity | The object will continue at the same velocity; it will not speed up or slow down.
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| Centripetal Force | A force that acts on a body moving in a circular path and is directed toward the center around which the body is moving.
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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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