Page 1 - LESSON 12 MM1

Sai International School
Std-5
Subject- Social Science

Lesson- 12 Natural Disasters

v

s
r
b
i
sudden vibration or
d
d
n
u
e
i
n
o
t
a
o

r
EARTHQUAKE s h a k i n g o f e a r t h 's
shaking of earth's
surface

u
caused due to
o
c
a
t
e
d

u
d
s
e
d i s t u r b a n c e s b e n e a t h
disturbances beneath
NATURAL
s
t
r
u
h
e
f
a
r
'
s
e
c
a

DISASTERS earth's surface
o v e r f l o w i n g o f w a t e
overflowing of waterr
c

caused due to
o
t
a
u
d
d

e
u
e
s
o
n
r
a
s

,
s
d
s
e
d
t
m
i
s
l landslides, storms,
,
l
FLOOD
cyclones, tsunami and
c y c l o n e s , t s u n a m i a n d
strong tides..
s t r o n g t i d e s

NOTES
Earthquake:
v
t
o
i
n or shaking of the Earth’s surface is called an
b
 The sudden vibrations or shaking of the Earth’s surface is called an
r
a
i
s
Earthquake.
a
s
.
’

t
r
f
h
s
 Earthquakes are caused due to disturbances beneath the Earth’s surface.
E Earthquakes are caused due to disturbances beneath the Earth’s surface.
u
r
a
s
k
c
e
e

q
u
a
a
r
h
t
t
e
a
s
t

d
i

n
a
n
b
u
r
c
b
e

e
s
u
a
a
e
s
r
e
h
t
c

E

e
t
o
h
u

d

e
d