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SOME NATURAL PHENOMENA
I.) DEFINE : 1.Seismology 2.Earthing
3. Earth quake 4.Tsunami
1. Name the device used to protect building from the damage caused by lightning.
2. Name the waves generated in the lithosphere of the earth due to sudden shifting of crustal rocks.
3. Name the molten material present under the lithosphere of the earth.
4. Name the point within the crust or mantle ,where a sudden shift of rocks take place.
5. Name any two causes of earthquakes.
6. Name the instrument which detects and records the intensity of earthquake.
7. Name the device which can detect electrical charge on a body.
8. The electrons are ____________________ charged particles.
9. The protons carry _____________________ charge.
10. The neutrons carry ________charge.
11. Name the three subatomic particles.
12. Which material is used in making a good lightning conductor?
13. _____________ as a whole is called a geosphere.
14. By which scale the magnitude of earthquake is most commonly assessed.
15. The watery part of the geosphere or earth is called ______________.
16. Name the scientist who proved the cause of lightning.
Please refer to attached file for CBSE Class 8 Science Worksheet - Some Natural Phenomena Part A