9th Class Social Science Preventing Common Man Made Disasters Important Terms and Concepts - Preventing Common Man-Made Disasters

Preventing Common Man-Made Disasters

IMPORTANT TERMS AND CONCEPTS                    

1. Combustible material: Materials which are able to catch fire, g., flammable liquids or gases
2. Arson: The criminal act of deliberately setting fire.
3. Biological weapons: Preserving and releasing germs of deadly diseases like small-pox, anthrax jaundice, plague etc. to pollute water and air.
4. Chemical weapons: Misuse of poisonous chemicals for distinctive purposes, g., poisoning people, animals and water resources.
5. Dirty bomb: Crude nuclear bomb.
6. Nuclear Explosion: A 'blast' like mushroom cloud which can cause instant blindness if viewed.
7. Nuclear energy: Energy obtained by using radioactive elements by nuclear fusion.
8. Terrorism: It is a violent, forceful and unlawful method to achieve desired goals.
9. Terrorist activities: Organised violence to secure personal/political ends. It causes blood-shed and distinction.