Mr. O Unit F 2
Help!
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| A transparent object with at least one curved surface is called a ______________. | lens
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| What kind of telescope uses a mirror to focus an image? | reflecting telescope
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| What kind of microscope uses two convex lenses? | compound microscope
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| The light sensitive layer at the back of the eye is called the _____________. | retina
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| Clear, thin lenses that are placed on the eye in front of the cornea are called ________. | contact lenses
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| Objects that do not let light pass through them are called _________. | opaque
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| What kind of microscope can make things appear hundreds of thousands of times bigger than they actually are? | electron microscope
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| What did Anton van Leeuwenhoek make by using only one lens? | simple microscope
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| Objects that allow the greatest amount of light to pass through them are __________. | transparent
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| What is the name given to objects that let light pass through them but cause light to scatter in many directions? | translucent
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| What kind of telescope use lenses to focus an image? | refracting telescope
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| Which type of lens brings light together at a focal point? | Convex lens
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| Whick type of lens causes parallel light rays to spread apart? | concave lens
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| Whick type of lens produces an image that is larger than the object? | convex lens
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| Which type of lens produces an image that is smaller than the object? | concave lens
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mr.olson