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The change of matter occurring when glasses fog up is a gas into a liquid otherwise known as condensation. this happens because the lack of energy in the gas particles cause the particles to bunch up and get closer together, they then form a liquid.

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Q: What are the changes in matter when eyeglasses fog up?
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Why do eyeglasses fog up when you come inside from the cold?

That is the reaction of the cold lens meeting with the heat from the inside.


What are the benefits of contact lenses as compared to eyeglasses?

Some may find many benefits of contact lenses compared to eyeglasses, others will find the benefits of eyeglasses outweigh contact lenses. Some of the benefits of contact lenses are that they will not fog up, there is no "weight" on one's face which may also slip down one's nose, and they are not visible to others.


How to get Eyeglasses with a fan connected to eyeglasses to keep you from getting hot?

There is no such invention of a fan that connects to eyeglasses. You could come up with a prototype and get it patented.


How do the particles that make up matter compare during physical and chemical changes?

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Why would a pair of eyeglasses fog up when brought from a cold place to a warm place?

condensation, when an object goes from a cool place to a warm place, or vice versa, the change in air temperature forms a dew like liquid; condensation


Do pieces of dry ice become smaller through condensation?

No, dry ice pieces do not become smaller through condensation. Rather they become smaller through sublimation, the physical change of matter from a solid phase to a gaseous phase. Condensation is the physical change of matter from a gaseous phase to a liquid phase, such as when you blow on your eyeglasses to fog them up so you can wipe them clean. Since dry ice is solid carbon dioxide, it cannot undergo condensation.


What are the benefits of contact lenses over eyeglasses?

better vision, less distortion, clear peripheral vision, and cosmetic appeal. In addition, contacts do not steam up from perspiration or changes in temperature.


What are some advantages of contact lenses over eyeglasses?

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Are lenses for glasses free when you have the frame?

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What kind of fog is found in the mountains when humid air pushes up to make fog?

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What kind of fog is found in the mountains when humid air is pushed up to make fog?

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If you have double vision within 2 feet do you need eyeglasses?

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