Energy Test
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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| Wave | Vibrations in a medium
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| Medium | the material through which a wave can travel
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| Transverse wave | a wave which the object moves up and down as the wave passes
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| Crest | the points where the wave is the highest
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| Trough | the points where the wave is the lowest
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| Longitudinal wave | a wave which the particles move back and forth in the same direction the waves travel
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| Compression | when you compress the wave closer toghether
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| Rarefaction | when you spread the wave apart
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| Mechanical waves | waves that require a medium
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| Electromagnetic waves | waves that can travel without a medium
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| Amplitude | the measure of how far particles in the medium move from their rest position
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| Wave length | the distance over which the shapes repeat
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| Frequency | the number of waves that pass a point in a given amount of time
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| Hertz | What frequency is measured in
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| Wave speed | the speed that waves travel
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| What is the equation for wave speed? | wave speed=wave length divided by wave period
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| Force | a push or pull exerted on an object in order to change the motion of an object newtons
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| Work | the use of force to move an object some distance
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| What is the unit of measurement for work? | Joules
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| What is the equation for work? | Work=force times distance
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| Power | a strong force
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| A 900N mountain climber scales a 100m cliff. How much work is done by the mountain climber? | 90,000 J
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| Angela uses a force of 25N to lift her grocery bag while doing 50 J of work. How far did she lift the grocery bags? | 2m
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| A machine does 40 J of work in 10 seconds. How much power is that? | 4 watts
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| What is power measured in? | Watts
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| A machine does 30 J of work in 10 seconds. How much power is that? | 3 watts
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| Give an example of a medium. | Slinky, sound particles
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| Mariah hears the orchestra play in a concert. What kind of wave would the sound travel through? | Longitudinal wave
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| What kind of wave would your heart rate show? | Transverse wave
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| What would be the medium in a sound wave? | Sound particles
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| A wave with a frequency of 60 Hz travels through steel with a wavelength of 85.5 m. What is the speed of this wave? | 510 m/s
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| I can edit your study stack! | - Mrs. Koch =)
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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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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:
MissGroundhog
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