Science Form 3 (Chapter 9 : Space Weather)

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Across
  1. 2. A coronal mass ejections is a huge cloud of ___ that erupts from the Sun.
  2. 4. The ___ reduces the pressure exerted by solar wind on Earth's atmosphere.
  3. 7. The magnetosphere is formed by the interaction between ___ field brought by the solar wind and Earth's magnetic field.
  4. 9. The average diameter of a ___ is 1000km.
  5. 12. The thin layer of the Sun’s atmosphere that lies directly above the photosphere is the ___
  6. 15. What are the dark regions seen on the surface of the Sun?
  7. 16. The Sun consist of two types of gases, hydrogen and ___
  8. 18. Sun is a type of ___
  9. 20. The zone of the Sun’s interior that is between the core and the convective zone
Down
  1. 1. The ___ of the solar wind is supersonic with values 250kms-1 to 750kms-1.
  2. 3. What is the outer most part that we see only during an eclipse?
  3. 5. What is the layer that is responsible for the orange colour of the Sun that can be seen every day?
  4. 6. The sun is a glowing ball of _______.
  5. 8. The center of the sun, the ___, produces the energy that eventually reaches us and warms the Earth.
  6. 10. Charges gas particles form solar flares often collide with atoms and molecules in earth surface to produce ___
  7. 11. Excessive number of charged particles in Earth's atmosphere will disrupt ___
  8. 13. Prominence is a ___ loop or arched column of glowing gases over the sunspot.
  9. 14. Sunspots are phenomena that always exist in ___ or groups.
  10. 17. How many structures of the sun that form the Sun's atmosphere?
  11. 19. Granules which appear as ___ structures.