Work
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 | is done when a force moves something
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| force/distance | Work is the measured by the amount of_________ times______________
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| Easier | Simple machines make work____________
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| Energy | is the ability to do work.
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| kinds | there are many _______ of energy
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| change | Energy can _________ from one form to another
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| stored | Batteries, food, and fuel have energy that can be used later to do work. This kind of energy is called _______ energy.
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| light | light, bolt sunlight, candle flames
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| electrical | iron, cooking, computer, cell phone
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| mechanical | walking, running, moving, bike pedals, coasting downhill.
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| Friction | A force that slows or stops motion
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| Magnetism | The force of a magnet
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| Gravity | The force that pulls objects toward the center of the earth
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| Force | A push or pull
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| Weight | The amount of force gravity has on an object
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| True | Objects cannot move unless a force causes them to move
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| the same | An object moves ___________ direction as the force it moves in
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| Easier | Simple machines make work _______
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| True | There are many kinds of energy
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| True | Batteries, food, and fuel are examples of stored energy
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| Motion | is a change of position
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| Direction/far | Motion can be described by what _____ an object is going, how _______ it is going, and how fast it is going
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| faster/direction/slow down | A force can make an object go
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| Energy | is the ability to do work
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| changed | Energy can be ____________ from one form to another
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| stored | Energy that can be used later to do work is called ____________ energy
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| light/mechanical | Sound, ______, electrical energy__________ energy, and chemical energy are different kinds of energy.
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| When is work done? | Work is done when a force moves it.
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| What are five things that can do work? | flowing water moves logs, rocks, boats, and water wheels
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| How is work measured | Force x distance= work
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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.
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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:
kdemmings
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