A review of the science of light and sound.
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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| What is Light? | A source of energy, which allows you to see.
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| What is transparent? | Things you can see through, allow light to pass through.
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| What is translucent? | Things you can partially see through. Light is scattered.
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| What is opaque? | Things you can not see through. Light is blocked- completely absorbed or reflected.
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| What is reflection? | The bouncing of light.
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| What is refraction? | The bending of light.
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| What is a wave? | The method of light or sound transfer.
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| What are photons? | Tiny light particles of energy. They travel in waves.
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| What is the electromagnetic spectrum? | A broad range of light, magnetic, and electrical energy.
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| What is the visible spectrum? | The part of the electromagnetic light spectrum that we can see with only our eyes.
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| What is the ultraviolet spectrum? | The spectrum of ultraviolet radiation. The energy waves of the sun.
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| What is a mirror? | A reflective surface, usually made of glass with a shiny, metallic backing.
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| What is a prism? | A three-dimensional solid body, often having triangular bases, used for refracting light into a spectrum or for reflecting rays of light.
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| What is the angle of incidence? | The angle light touches an object.
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| What is the angle of reflection? | The angle light bounces off an object.
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| What is the angle of refraction? | The angle light passes through an object.
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| What is a transfer? | To change from on form to another.
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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:
silberma
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