Transcript: The purpose of a magnifying glass is to make things look bigger than they really are. In 424 BC Roger Bacon invented the magnifying glass. The original use was to make things look bigger than they really are. Before, people just held the glass in their hand. now there is plastic or medal around it to prevent getting cut from the sharp edges. The magnifying glass is bio-related and agricultural. Magnifying glasses have impacted society in a positive way because older people with bad vision can use them to make words look bigger. Magnifying glasses have impacted society in a negative way because the plastic around the glass is wasteful. Science Magnifying Glass Math Artifact Technology Engineering
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Transcript: Magnifying Glass Made by: Džejla Šahinović 4b Professor: Sabahudin Vrtagić -Makes things appear larger -Convex-shaped glass or plastic -Has to be held in the right distance to be in focus Magnifying Glass Who am I?
Transcript: small object that you can see up people can use this tool anytime this tool is one of the smart tools picture A magnifing glass is a smart tool magnifing glasses are a good tool to use things that you can see that is small A magnifing glass is a tool that you can see up closer you can burn leaves with it by refelcting magnifying glass can be used in Diffrent science magnifying glasses can help you see small tiny stuff you can see things up closer small objects that are small
Transcript: Presented by PERSON for COMPANY Magnifying Glass What is the purpose? The magnifying glass is and object that uses convex lenses that is used to produce amplafyied images of other things, such as words. What is the purpose? How it evolved How it evolved Magnifying glasses have changed in many ways such as there shape, size and color. The creator of the magnifying glass was a person named Roger Bacon. Roger created the object in the 13-centry england. How it works How it works When light is passing through the convex lens of the magnifying glass the glass bends rays of light so they create zoomed in images on your eyes. Facts... Facts... Most magnifying glasses use double convex lenses to make things look bigger. Many people use magnifying glasses and sun light to set other objects a fire. You can get the best focus and highest magnifying power by putting the lens closer to the eyes. The lens and eyes should be moved together. 1 main posssible way to use the magnifying glass is to survive postion the glass up to the sun and the sun magnifys its heat as the rays pass through making the rays 10 times as affective good for survival Possible ways to use the magnifying glass Possible ways to use the magnifying glass
Transcript: a lens that produces an enlarged image of an object - dictionary.com who does it help and how does it work How does it work: sources: Who does it help: https://prezi.com/iatiqqmr0czw/how-the-magnifying-glass-is-used-and-how-it-has-an-impact-on-the-world/ http://www.discoveriesinmedicine.com/Hu-Mor/Magnifying-Glass.html $1.25 Monday, February 17, 2014 The magnifying glass is a pice of a double-convex lens. That you see through and the objekt on the opposite side appears enhanced. History of the magnifying glass The magnifying glass The magnifying glass benefits The diseased. scientist. Historians researches. ect. Double-convex lens. Definition http://dictionary.reference.com/browse/magnifying-glass http://crazy-mystery.blogspot.no/2013/06/roger-bacon-1214-1294-inventor.html What impact has it had on the world Tarikwa Reigstad magnifying glass
Transcript: The simple lens of the magnifying glass is using the retina and lens of your eye to create a virtual image, that appears to be closer to the convex lens of the magnifying glass Modern magnifying glasses are double-convex lenses and they make the objects appear larger. The lens is convex on both sides, ie. thicker in the middle. When viewing objects the light rays are bent towards the center of the lens, making the object look larger than it is to the eye Each magnifying glass has a focal length, which is the distances from the optical center of the lens to the point where the light rays converge History of Magnification During the 16th century, the first primitive microscopes were invented using multiple lenses HOW DOES MAGNIFYING G S WORK? LAS If you look through the lens at the object, you'll see an image that is right-side up and larger than the original The Egyptians had discovered an almost clear crystal, called obsidian that was used to view small objects Historians seem to agree that the Romans were the first to discover glass in the first century AD
Transcript: Magnifying Glass March 4, 2019 by: Purity.O.Ogbeide Demarcus Preston Ezequiel Nava Hi sisters ... ABOUT A Magnifying glass: Created by Roger Bacon in 1201-1300 Most magnifying glasses are double convex lenses. A magnified image is a called a virtual image. it is used to make an image bigger, it can also be used as a last resort to make a fire. This is the ancestor of a compound microscope. ( normally found in a lab) A compound microscope A Compound Microscope Uses multiple lenses to enlarge the image of a sample. A compound microscope is used for viewing samples at high magnification LENS Convex lenses A lens surface that bulges outwards is called a convex lens. Identified by their shape which is thick across the middle and thin around the edges which are curved outwards. Since the surface is curved, different rays of light refract to different degrees; the outermost rays will refract the most Objects That Use Convex Lenses Telescopes Binoculars Magnifying Glasses RAY DIAGRAM This is the ray diagram for a magnifying glass. Lens CREDITS Links: https://www.universetoday.com/82589/convex-lens/ https://images-na.ssl-images-amazon.com/images/I/31tZ8DG1SvL._SX342_.jpg https://www.encyclopedia.com/science-and-technology/technology/technology-terms-and-concepts/magnifying-glass http://www.math.ubc.ca/~cass/courses/m309-03a/m309-projects/yeh/micro.JPG www2.mrc-lmb.cam.ac.uk https://images.costco-static.com/ImageDelivery/imageService?profileId=12026540&imageId=100423444-847__1&recipeName=350 https://images-na.ssl-images-amazon.com/images/I/41YD1z0z5fL._SX300_QL70_.jpg http://www.leydenscience.org/physics/electmag/con_inf.jpg
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