SOME NATURAL PHENOMENA
Across
- 4. Test whether an objects carries charges or not.
- 6. Showed that lightning and the sparks from cloths are same phenomena.
- 7. Unlike charges each other.
- 9. Sudden shaking of earths crust.
- 10. When the charged objects comes back to its original (neutral) state.
- 12. Like charges ________ each other.
- 14. Protects buildings from the effect of lightning.
- 15. When the earths plate moves towards each other and collides is a ________ movement.
Down
- 1. The electric charges produced by rubbing are called _______ charges.
- 2. When the earths plate moves in opposite direction is called _______ movement.
- 3. Instrument which records seismic waves.
- 5. Objects gets charged by __________.
- 8. Fragments of earths crust is called _____ plates.
- 11. Earthquake tends to occur at the boundaries of earths plate. These boundaries are called _______ zone.
- 12. The energy of an earthquake is expressed in terms of magnitude on __________ scale.
- 13. The process of transferring charges from charged objects to earth.