science for mr.spinka
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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material that reflects light that strikes it? | opaque
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complemnetary colors are what? | any 2 colors combined
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the transparent part of the eye is? | the cornea
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a near sighted person can see? | near objects claerly and far away objects blurry.
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2 colors that combine to form a secondary color are called | complementary color
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electromagnetic waves ... | consist of electric and magnetic fields.
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polarizing filters indicate that light? | sometimes travels in waves.
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rainbows form because... | different wavelengths refract by diffrent amounts.
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a __________________ light bulb uses a filament | incandescent
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how long does it take for light from the sun to get to earth? | 8 minutes
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which of the following can be sensed by humans? | infared
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one application for ultraviolet rays is.... | killing bacteria
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___________ images are upside right | virtual
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the ______________ is how much a ray bends | index of refraction
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rods are cells that... | distinguish black and white.
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a cell phone transmits signals using? | high frequency radio waves
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electromagnetic waves travel at the same speed but have diffrent | frequencies
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most of the energy produced by incandescent light is given off as ? | heat
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fireflies produce light called | bioluminescence
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an infared camera takes a picture called a | thermogram
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micro waves are good for heating food because? | microwaves heat food quickly
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to send a t.v signal across the country networks can use ? | communication satellite.
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a plane mirror has a ? | flat surface
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optic fibers carry light across long distances because? | light travels paralles to the surface of the fiber
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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:
garcia14
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