worksheet 2 Flashcards
1
Q
fault
A
cracks or weaknesses in the rocks along the plate boundry
2
Q
magma
A
red hot slow moving roxk on the earths mantle
3
Q
lava
A
liquid rocks on the the sirface of the earth
4
Q
why do volcanoes occir along plate boundaries??
A
beacuse the are areas of weakness of the earths crust
5
Q
what causes an earth quake
A
the surface of the crush shakes violently
6
Q
effects of earth quakes
A
loss of life ,homelesness damage to buildings,tsunami, land slides avalanches,spread of diseases
7
Q
why do some communities are at high risk of earthquake
A
because they are close to the fault , or they are in a mountain area
8
Q
how can the imoact of the earthquake be redused
A
training for children in school , wooden home in earthquake prone areas,nuclear power stains must be built on a special foundation
