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Solar system hiral thaker final(Science)

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  • 1. K.J. Somaiya Comprehensive college of Education, Training and Research Hiral Thaker Roll No. – 72 Sub – Science Class – VIII th. B.Ed. 2010 - 2011
  • 2. Puzzle – Word game. A C J F H L Y B H C H P H K F N F K K O M G L J B U L E O M O A D A R S Y S T E O D L C N D S B J T N F L K J E G F D S S D I O R E T S A S T B N M C X Z S P Q
  • 3. Puzzle – Word game. A C J F H L Y B H C H P H K F N F K K O M G L J B U L E O M O A D A R S Y S T E O D L C N D S B J T N F L K J E G F D S S D I O R E T S A S T B N M C X Z S P Q
  • 4. Our Solar System
  • 5. Our Solar System
    • Our solar system is made up of:
    • Sun
    • Nine planets
    • Their moons
    • Asteroids
    • Comets
  • 6.  
  • 7. Sun
    • The Sun is the center of the solar system.
    • The temperature at its surface is about 6000 degree celsius.
    • Its size is very big.
    • It can hold 13 lakhs earth like ours within itself.
    • All the other objects revolve around the sun due to gravitational force.
  • 8. Sun Photos of sun taken at 4 different wavelengths of ultraviolet
  • 9. Planets
    • Mercury.
    • Venus.
    • Earth.
    • Mars.
    • Jupiter.
    • Saturn.
    • Uranus.
    • Neptune.
    • Pluto
  • 10. Inner Planets
    • The inner four rocky planets at the center of the solar system are:
    • Mercury.
    • Venus.
    • Earth.
    • Mars.
  • 11. Mercury
    • Planet nearest the sun.
    • Second smallest planet.
    • Covered with craters.
    • Has no moons or rings.
    • About size of Earth’s moon.
  • 12. Mercury These recent images from the MESSENGER satellite (Jan 2008) show a surface similar to the Moon.
  • 13. Venus
    • Sister planet to Earth.
    • Has no moons or rings.
    • Hot, thick atmosphere.
    • Brightest object in sky besides sun and moon (called as morning star or evening star).
    • Covered with craters, volcanoes, and mountains.
  • 14. Venus Pioneer spacecraft image taken in 1979. Reflected radio waves reveal the surface topology.
  • 15. Earth
    • Third planet from sun.
    • Only planet known to have life and liquid water.
    • Atmosphere composed of Nitrogen (78%), Oxygen (21%), and other gases (1%).
    • The axis around which earth rotates is slightly inclined. Because of this, earth has summer and winter season.
  • 16. Earth Gulf of California Earth photograph from Apollo 16
  • 17. Earth Earthrise – Apollo 8
  • 18. Mars
    • Fourth planet from sun.
    • Appears as bright reddish color in the night sky.
    • The soil is rich in iron, which makes it appear red.
    • Surface features volcanoes and huge dust storms.
    • Has 2 moons: Phobos and Deimos.
  • 19. Mars
  • 20. Outer Planets
    • The outer planets
    • composed of gas are :
    • Jupiter.
    • Saturn.
    • Uranus.
    • Neptune.
  • 21. Jupiter
    • Largest planet in solar system.
    • Brightest planet in sky
    • 63 moons, 5 visible from Earth.
    • Strong magnetic field.
    • Giant red spot.
    • Rings have 3 parts: Halo Ring, Main Ring, Gossamer Ring.
  • 22. Jupiter Weather on Jupiter
  • 23. Saturn
    • 6 th planet from sun.
    • Beautiful set of rings.
    • 31 moons.
    • Largest moon, Titan.
    • Easily visible in the night sky
    • Voyager explored Saturn and its rings.
  • 24. Saturn Saturn’s Atmosphere
  • 25. Uranus
    • 7 th planet from sun.
    • Has a faint ring system.
    • 27 known moons.
    • Covered with clouds.
    • Uranus sits on its side with the north and south poles sticking out the sides.
  • 26. Uranus
  • 27. Neptune
    • 8 th planet from sun.
    • Discovered through math.
    • 7 known moons.
    • Triton largest moon.
    • Great Dark Spot thought to be a hole, similar to the hole in the ozone layer on Earth .
  • 28. Neptune Internal Structures.
  • 29. Outermost Planet
    • Pluto, the outermost planet, is a small solid icy planet is smaller than the Earth's Moon.
  • 30. Pluto
    • 9 th planet from sun (usually).
    • Never visited by spacecraft.
    • Orbits very slowly.
    • Moon, Charon, is very close to Pluto and about the same size.
  • 31. Pluto HST image of Pluto
  • 32. Asteroids
    • Small bodies
    • Believed to be left over from the beginning of the solar system billions of years ago
    • 100,000 asteroids lie in belt between Mars and Jupiter
    • Largest asteroids have been given names
  • 33. Asteroids Based on known Earth-crossing asteroid orbits, it is estimated that 3 asteroids impact Earth every 1 million years!
  • 34. Comets
    • Small icy bodies.
    • Travel around the Sun.
    • Give off gas and dust as they pass by.
    • Consist of brilliant sphere called its “head” and a long “tail”.
    • As it goes near to the sun the tail gets longer.
  • 35. Comets Halley’s Comet in 1986
  • 36. EVALUATION ?
    • Jupiter has moons.
    • What is Solar System?
    • How big is the Sun relative to earth?
    • Why is Mars called The Red planet?
    • Write the names of Indian Astronauts and collect their pictures
  • 37. Answer.
    • 63 moons
    • The sun, the nine planets, their moons, asteroids and comets forms a solar system.
    • The sun is so big that it can accommodate 13 lakh Earths in it.
    • Because its soil is rich in iron and it appears red.
  • 38. Solar System Activities
    • Order the Planets  
    • Fun with Planets
    • Constellations of the Northern Sky
    • Planets
    • Solar System  
  • 39.
    • THANK YOU!