By Joe Mihaly, P5
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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Force | A push or pull exerted on an object in order to change the motion of the object (measured in newtons).
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Amplitude | The measure of how much energy is being carried by a wave.
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Trough | The lowest point of a wave.
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Crest | The highest point of a wave.
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Mechanical Waves | Waves that require a medium.
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Wave | Specific patterns of water, sound, and light.
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Longitudinal Wave | Particles of the medium move parallel compared to the direction the wave is moving.
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Compression | A region in a longitudinal wave where the particles are closest together
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Rarefaction | A region in a longitudinal wave where the particles are furthest apart.
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Transverse Wave | Particles of the medium move perpendicular compared to the direction the wave is moving.
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Medium | The material through which a wave can travel.
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Electromagnetic Waves | Vibrations of electric and magnetic fields whose waves do not require a medium.
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Wavelength | The distance from any point on a wave to the next identical point on the same wave.
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Frequency | The number of waves that pass a point in a given amount of time.
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Hertz | The measure of frequency.
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Wave Speed | The speed that waves travel.
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Work | The use of force to move an object some distance (measured in joules).
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Power | The rate at which an object moves (measured in watts).
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Cullen pushes a shopping cart with a force of 9.0 newtons in a straight line for 12 meters. How much work was done? | W=F x D W=9.0 N X 12 m
108 J
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A small motor does 8000 J of work in 20 seconds. What is the power of the motor? | P=W/T P= 8000 J / 20 s
400 W
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The speed of a wave is 5 cm/s and the wave travels 50 cm, find the time it took the wave to travel that far? | T=D/S T=50 CM / 5 CM/S
10 SECONDS
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What is the trough in a longitudinal wave? | The rarefaction.
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Which waves require a medium? | Mechanical Waves.
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What is power measured in? | Watts.
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Newtons is the measurement for ______. | Force.
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The rest position of a wave is also known as the _____________. | Line of equilibrium.
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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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