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Discover the wonders of telescopes, microscopes, and lenses in this educational guide. Learn how these tools help us observe the faraway stars, tiny organisms, and magnified objects. Understand the difference between concave and convex lenses and their applications in enhancing our vision.
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Learning Goal:I know that telescopes make it easier to see stars and planets.
telescope • “tele” means “far” • Telescopes help you see things that are FAR away.
telescope • Telescopes make objects look bigger. • “tele” means “far”
microscope • “micro” means “small” • Microscopes help you see things that are really small.
magnifying glass • “magnify” means “get bigger” • Magnifying glasses make average sized objects appear even bigger.
Types of Lenes • Lenses that go IN look like a C on both sides. • These lenses are called ConCave. • Lenses that go OUT look a little like a V on both sides. • These lenses are called conVex.
Glasses have a lens. Some people need a conVex lens to help see far away items. A conCave lens helps to see items close up.Telescopes use a conVex lens to see things that are far away.
