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FIRST PERIOD

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Name of the Teacher:� SOPAN D. SAWALE �(TGT So.St.)��Name of the School: �JNV Hingoli (M.S.)� �

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Class: VI (Geography)

TOPIC -

THE EARTH IN THE SOLAR SYSTEM

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  • How wonderful it is to watch the sky after sunset!
  • It seems as if the sky is studded with diamonds.
  • They all appear to be twinkling.
  • Along with these bright objects, you may also see the moon on most of the days.

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Full Moon Night

You can see the full moon only once in about a month’s time.

It is Full moon night or Poornima.

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New Moon night or Amavasya

  • On this day, you can watch the night sky best, provided it is a clear night.

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Do you wonder why can’t we see the moon and all�those bright tiny objects during day time?

  • It is because the very bright light of the sun does not allow us to see all these bright objects of the night sky.

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Celestial Bodies.

  • The sun, the moon and all those objects shining in the night sky are called celestial bodies.

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STARS :

  • Some celestial bodies are very big and hot.
  • They are made up of gases.
  • They have their own heat and light, which they emit in large amounts.
  • These celestial bodies are called stars.
  • The sun is a star.

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Constellations

  • Various patterns formed by different groups of stars are called Constellations.
  • Ursa Major or Big Bear is one such constellation.
  • One of the most easily recognizable constellation is the Saptarishi (Sapta-seven, rishi-sages).

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  • The North star indicates the north direction. It is also called the Pole Star.

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  • We can locate the position of the Pole Star with the help of the Saptarishi. It always remains in the same position in the sky.

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PLANETS.

  • Some celestial bodies do not have their own heat and light.
  • They are lit by the light of the stars.
  • Such bodies are called planets.
  • The word ‘planet’ comes from the Greek word “Planetai” which means ‘wanderers’.
  • The earth on which we live is a planet.

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  • The moon that we see in the sky is a satellite.

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  • It is a companion of our earth and moves round it.

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RECAP QUESTIONS

  • 1) When do you find stars in the sky?
  • 2) How will you differentiate between Full Moon Night and New Moon Night?
  • 3) What are the features of STARS?
  • 4) What do you mean by constellations?

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