KENDRIYA VIDYALAYA,
MEENAMBAKKAM-
CLASSWORK -4A EVS –
JULY-2020-From the window
Answer
the following :-
1 What was the difference in the scene that
Omana see from the train on
The first day
and second day?
First
day she saw the dry and brown fields. Second day while crossing
Goa
she could see the green fields with red soil and hills covered with trees.
2.
Name the vehicles seen by Omana? Which
of them run on diesel or petrol?
Bus, Truck,
-Diesel
Autorickshaw, car
–Either by diesel or petrol
Motorcycle, scooter- Petrol
3. Why was there smoke and noise from the vehicles
at the level crossing?
Some people did not switch off the engines of
their vehicles while waiting
at the
level crossings.
4
Can you cross the road when the level crossing is closed? Why?
No, we should not cross the railway track when
the level crossing
Is closed. There may be trains or goods
trains coming in different tracks
from different
directions. So we must wait for the green signal and the
gate
should be opened.
5
What do you know about the bridges?
Write five points.
Bridge is a structure to cross an open space
or gap. Bridges are mostly
useful
for crossing rivers, valleys or roads
and also to cross the road
by
vehicles. Bridges can be of different types. They are distributed
through
their structures.
Arch,
beam, Truss, Cantilever, suspension and Roving bridge. Materials used
to build
bridges are stones, Timber, Concrete, and steel. These materials
are used traditionally to construct bridges as
they are directly obtained
from nature and easily available.
6. What do you know about tunnels?
A tunnel is an underground passageway
dug through the surrounding soil
or earth or rock and enclosed except for
entrance and exit.
of
tunnels are Railway tunnel, metro system, highway tunnels, water tunnels,
sewage tunnels, services tunnels, storage
tunnels. These tunnels are useful
for the specific purpose. They may be of
rectangular shape, circular shape
egg shape,
horse shoe shape, egg shape. The route from Kerala to Goa has
a total of 2000 bridges and 92 tunnels.
7 Draw
and write in your note book and what did
Omana see under
the bridge?
(Draw on your own)
Omana
saw water and boats under the bridge.
8 If there are no bridges or tunnels what will
happen ?
If there are no tunnels or bridges across the
mountains and and rivers
The
train would not have crossed that area.
HOMEWORK
1 On the way from Gujarath to Kerala Omana’s
train went through
several states . List out the states and
mark in the outline map of India.
Maharasshtra, Goa, Karnataka, Taminadu .
2 Name the differences you observe in these
states. Complete the table.
|
States |
Languages |
Costume
|
|
Kerala |
|
|
|
Goa |
|
|
|
Maharashtra |
|
|
|
Gujarat |
|
|
|
Karnataka
|
|
|
3
Draw the various sceneries you observe under the bridge and write
About that.
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