Catch a Wave List 2 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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| Absorb | When light waves enter a substance and changes into other forms of energy
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| Electromagnetic spectrum | The complete range of frequencies of electromagnetic waves from the lowest to the highest, including, in order : radio, infrared, visible light, ultraviolet, X-ray, and gamma ray waves
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| Reflection | When light waves bounce off something else
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| Refraction | When light waves bend
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| Scatter | To cause to separate widely
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| Visible spectrum | Wave energy we can see, portion of electromagnetic spectrum that is visible to the human eye; made of colors
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| prism | A piece of glass or plastic that bends light waves
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| Infrared | Rays like light but lying outside the visible light spectrum at its red end
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| transmit | To pass or cause to pass through space or a material
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| Ultraviolet light | Light with wavelengths shorter than visible light; the term ultraviolet means "above violet." Ultraviolet light is the range of light waves that have shorter wavelengths than violet light in the visible spectrum.
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| opaque | An object that does not allow light waves to pass through it – you CANNOT see through it
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| translucent | An object that allows a few light waves to pass through it – you can ALMOST see through it
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| transparent | An object that allows light waves to pass through – you CAN see through these objects
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| concave | A concave lens is thicker at the edges than it is in the middle
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| convex | A convex lens is thicker in the middle than at the edges.
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| Cornea | A transparent membrane that covers the eye
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| Function of the Cornea | Light enters the eye through the __________
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| Iris | A circular band that controls how much light enters the eye; the colorful part of the eye
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| Function of the Iris | Expands and contracts to control how much light passes through the pupil
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| Lens | A transparent tissue that bends light passing through the eye, helping you focus on an image
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| Function of the Lens | Bends light entering eye
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| Function of the Lens | Helps your eye focus on an image as light passes through
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| Pupil | The hole in the center of the eye that allows light to pass through
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| Function of the Pupil | Allows light to pass through (the larger the pupil, the more light passes through)
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| Retina | A layer of tissue on the back of the eye that has cone cells and rod cells that gather information
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| Function of the Retina | Contains rods and cones that change colors and shapes into nerve messages
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| Optic nerve | The great messenger in the back of your eye that carries nerve messages and signals from the retina to the brain
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| Function of the Optic Nerve | Carries messages from the retina to the brain
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| Sclera | The white part of your eyeball; made of a tough material and contains blood vessels
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| Function of the Sclera | Covers most of the eyeball
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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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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:
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