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Welcome to PPT Astronomy Sun, moon, tides

Welcome to PPT Astronomy Sun, moon, tides. Presented By:- Mr. D. S.Meena TGT (S. St.), Jawahar Navodaya Vidyalaya Multhan , Distt . Dhar M.P., India, 454660 Email: durga_shankar4u@rediffmail.com Mobile: –9009787408. Astronomy. Sun, moon, tides. Characteristics of the moon.

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Welcome to PPT Astronomy Sun, moon, tides

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  1. Welcome to PPTAstronomy Sun, moon, tides Presented By:- Mr. D. S.Meena TGT (S. St.), JawaharNavodayaVidyalayaMulthan, Distt. Dhar M.P., India, 454660 Email: durga_shankar4u@rediffmail.com Mobile: –9009787408

  2. Astronomy Sun, moon, tides

  3. Characteristics of the moon • Spherical; made of rock • Has no atmosphere, no water, and no living things • Drastic temperature changes • Earth’s natural satellite

  4. Moon and its effects • One- fourth of the Earth’s diameter • revolves around the earth every 29 1/2 days • the gravity of the moon controls the tides (trans.)

  5. Questions • What are three characteristics of the moon?

  6. Types of tides (show trans.) • Spring tides- gravity of the sun and moon work together (tide is high) • Neap tides- gravity of the sun and moon PULL against each other (tide is low)

  7. New moon Crescent First quarter Gibbous Full moon Gibbous Third Quarter Crescent New moon Phases of the moon

  8. Questions • What is the difference between a spring tide and a neap tide?

  9. Eclipses (show trans.) • Solar eclipse- sunlight is blocked by the moon • lunar eclipse- Earth is between the sun and moon • moon is visible because of reflected sunlight

  10. Questions • Why do we see the moon at certain times of the month? • How are solar eclipses different from lunar eclipses?

  11. Characteristics of the sun(show trans.) • Made of plasma (high energy form of matter) • produces energy as a result of nuclear fusion • core temperature (15,000,000 ºC)

  12. Sun • 150,000,000 kilometers from Earth • makes up 99% of the mass of the solar system

  13. Questions • How does the sun produce energy? • What are three characteristics of the sun?

  14. Thanks Presented By:- Mr. D. S.Meena TGT (S. St.), JawaharNavodayaVidyalayaMulthan, Distt. Dhar M.P., India, 454660 Email: durga_shankar4u@rediffmail.com Mobile: –9009787408

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