destruction and preservation of evidence Flashcards
How are they preserved/destructed?
By human actions and nature
Natural examples?
destruction:
- decay
- weather (wind/rain/humidity) exposure
- flood/earthquake/tsunami
preservation:
- environment
- weather/temp
Human examples?
Destruction:
- war/terrorism
- mindless destruction
- political upheaval
- sudden interest in other nations history to take eg parthenon marbles
- religious intolerance
- progress
- digging up for scientific/observation
preservation:
- museums
- science labs
List the 5 Animals that causes destruction?
termites silverfish cockroaches rodents birds
preservation of artefact depends on?
depends on material
environmental condition
sheer fate
Place each in order from longest to shortest life expectancy:
- stone
- flesh
- gold
- bone
- pottery
- wood
- textiles
- glass
- papyrus
- stone and gold longest (several millions/thousand yrs)
- glass and pottery (thousands of yrs)
- wood/textile/papyrus (hundreds for damp conditions)
- bone and flesh (weeks/months in damp)
Bacteria grows in damp conditions, deteriorate organic material faster
destruction from termites?
termites- eat timber
destruction from silverfish?
silverfish- eat paper/fabrics
Destruction from cockroaches
cockroaches- eat anything
destruction from rodents?
rodents- feeding, gnawing on materials, stains from dropping
destruction from birds?
birds- dropping damage organic material, nest=insect problems