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प्रश्न
Distinguish between the following pair.
Meteors and Meteorites
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उत्तर
Meteors :
- A meteor is a shooting star like a streak of light across the sky at night. It is composed of pieces of stony or metallic rocks.
- These travel around the world in an eccentric orbit.
- Big meteors fell down in Siberia in 1980 and 1948.
Meteorites :
- Meteorites are the scattered pieces of the meteors which are unconcerned after burning.
- These are the dust of meteors falling on the earth as meteorites, some of these are also of great size.
- About 5000 years back a meteorite fell down in Arizona (USA) and created a hollow, 180 meters deep and of 12,000 meters diameter.
संबंधित प्रश्न
Give the distinctive features of the earth as a unique planet. Also, give three points of comparison with respect to other planets.
Study the picture and answer the questions that follow.
(a) What is meant by the Solar System?
(b) Give two differences between a planet and a star.
(c) Name the planets known as terrestrial planets.
(d) Give two advantages the earth has over other planets.
(e) What are satellites?
Which planet is known as the ‘red planet’?
Which is the brightest planet?
Distinguish between inner and outer planets.
Describe the position of the Earth in the Solar System.
Write a short note on the two planets nearest to the sun.
At the time of Perihelion, the Earth is ______ to the Sun.
Match the following.
| 1 | Asia | Vatican city |
| 2 | Africa | Amazon rainforest |
| 3 | Europe | Sahara desert |
| 4 | South America | Kangaroo |
| 5 | Australia | Biggest continent |
Name the continents of the world.
