Science Explosion v4, chapter 9
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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| acceleration | show 🗑
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| show | An arrangement of fixed and movable pulleys connected by ropes.
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| show | A machine that combines two or more simple machines.
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| distance | show 🗑
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| effort force | show 🗑
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| show | A type of pulley that is attached to something so that the pulley does not move; it changes the direction of a force.
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| show | A force that keeps objects from moving.
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| fulcrum | show 🗑
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| gravity | show 🗑
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| inclined plane | show 🗑
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| show | The resistance to a change in motion.
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| joule | show 🗑
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| show | A simple machine consisting of any bar that turns on a fulcrum.
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| show | The ability to get something moving
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| mechanical energy | show 🗑
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| show | The mass and velocity (speed and direction) of an object.
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| show | Change of an object's position
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| show | A type of pulley that moves along a rope where the effort is above the pulley.
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| newton | show 🗑
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| pulley | show 🗑
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| reference point | show 🗑
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| screw | show 🗑
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| speed | show 🗑
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| show | The distance an object moves over a given amount of time in a certain direction.
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| wedge | show 🗑
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| wheel and axle | show 🗑
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| work | show 🗑
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| Resistance force | show 🗑
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| show | Any object that makes work easier
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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:
marchscience
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