5th Grade Science - Simple Machines_Terms
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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Work | When a force acts on something over a distance, either to life it or to overcome resistance
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Simple Machine | Basic devices that provide mechanical or other advantage
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Pulley | A wheel with a grooved rim in which a rope/wire can run to change the direction of the pull (force) while lifting a load
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Fixed Pulley | Has a wheel that is attached to something above the load - fixed pulleys give a directional advantage
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Moveable Pulley | Had a wheel that is attached to something above the load - movable pulleys give mechanical advantage
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Directional Advantage | A change in direction that results from putting a rope through a fixed pulley
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Mechanical Advantage | Reduces the effort (force) needed to lift a load or overcome a resistance - moveable pulleys give a mechanical advantage
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Force | A push or pull exerted on an object - sometimes called effort
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Friction | A force that resists motion between two objects in contact
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Gravity | The natural force that attracts any two objects with mass toward 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:
RoperFive
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