std 4 EVS SCERT [Lesson 6 Up above the sky]

Lesson 6 Up above the sky [1st day-4/2/2021] 1.why is the moon light not hot? *The sun is a star that gives out heat and light of its own. But moon can't do that. It only reflects the sunlight that falls on it. 2What is a star? *stars are heavenly bodies that shine in the sky. 3.Sun is a ------ *star 4.--------is a star that gives out light of its own. *The sun 5.What is a planet? *Planets are heavenly bodies in the sky that revolve around the sun along a definite path. 6.Name the planets in Solar System. *Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune 7.What is Satellite? *Satellite are heavenly bodies that revolve around planets. 8.-------is the only satellite of the earth. *The moon 9.what is rotation? *The spinning of the earth on its own axis is called rotation. 10.What is revolution? *The movement of earth around the sun is called revolution. 11. How do occur day and night in the earth? *As the earth rotes on its axis, and the part of the earth on which...