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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
Pythagoras's theory
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he thought light consisted of beams from a persons eyes
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Euclid
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discovered that when you shine a light at a flat mirror, the angle between the incoming beam and the mirror is equal to the angle between the incoming beam and the mirror.
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Ptolemy
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describe how light beams bend when they go from air to glass.
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al-haytham
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accurately describe how vision worked: light bounces then travels to the eye.
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Isaac newton
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English scientist that explained rainbows. white light to prism are mixture of colours. and when transferred to another prism it'll turn white.
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ole romer
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made reasonably accurate measurement of the speed of light
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Albert a. Michelson
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refined ole romers measurement. he calculated the speed of light
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properties of light:
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travels in straight lines
can reflect can bend form of energy |
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optical device
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any device that uses light. Mirror microscopes, telescopes, binocular
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Hans and Zacharias jansen
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first microscope
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first microscope
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antonie von leeuwenhoek
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experimented his own microscopes to magnify small things.
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microbiology
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study of micro organisms
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microscope
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optical device used for viewing very small objects: objective lenses and the eyepiece lens.
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telescopes
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optical device for viewing distant objects: reflecting & refracting telescopes
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galileo
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made amazing discoveries with telescopes
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characteristics of a telescope
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magnifies
collects light |
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refracting t.
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uses 2 lenses to form enlarge image.
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reflecting t.
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uses curved mirror and lens to form an enlarge image.
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binoculars
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viewing distant objects made up of 2 short refracting telescopes fitted together .
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