sound and light
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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| frequency | THe number of vibrations per second of a sound
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| pitch | how high or low a sound is
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| vibration | back and forth movement of matter
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| Volume | The loudness of a sound
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| Sound | Travel through mediums such as solids, liquids and gases in transfers waves. These waves have molecules which vibrate to continue a sound until it reaches your eardrum
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| Transparent | Letting all light pass through
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| Translucent | Letting some light pass through
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| Opaque | Does not let pass through
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| Reflection | The bouncing of light off of surfaces
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| Refraction | The bending of light as it moves from one material to another.
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| Concave Lens | Thicker at the edges than at the center. Spreads light waves apart.
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| Convex Lens | Thicker at the center than at the edges. Bends light waves to make them come together.
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| Electromagnetic Spetrum | The spectrum that makes up the frequence range of all light. Waves from least frequency to greatest: radio waves, microwaves,infrared waves, ultraviolet waves, X-Rays
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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:
cverkamp
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