Page 144 - SST Class 06

Changes in Animal
Changes in Animal
Changes in Animal known as global warming and it is a serious
Changing Rain Migration and Life Cycles Less
Migration and Life Cycles
Migration and Life Cycles
Less
Changing Rain
Changing Rain
Less
and Snow Snow and Ice cause for concern. Scientists have of late
and Snow
and Snow
Snow and Ice
Snow and Ice
Patterns
Patterns
Patterns
drawn the world’s attention to unexpected
climate changes in different parts of the
Higher Temperatures
Higher Temperatures
Higher Temperatures
and More Heat Waves
and More Heat Waves
and More Heat Waves world. Unless the causes for this are
More Droughts
More Droughts
More Droughts
and Wildfires
and Wildfires Thawing addressed, the very existence of mankind
and Wildfires
Thawing
Thawing
Permafrost
Permafrost
Permafrost
could be in danger.
We should learn to cherish nature and
preserve it in such a manner that we can
Damaged
Rising
Damaged
Damaged Rising Rising Warmer
WarmerWarmer
Sea Level
Corals Sea LevelSea Level Oceans pass it on to the next generation in all its
OceansOceans
Corals
Corals
Changes in
Changes in
Changes in
Plant Life Cycles glory. We must learn to understand and
Plant Life Cycles
Plant Life Cycles
respect old traditions and combine them with
Global warming
new knowledge to make out path of devel-
of carbon dioxide in the atmosphere resulting in opment more sustainable.
an unnatural rise in global temperatures. This is
Terminology
Biome : a large naturally occurring community of flora and fauna occupying a major habitat
Chaparral : vegetation consisting chiefly of tangled shrubs and thorny bushes
Coexistence : the state of fact of living or existing at the same time or in the same place
Sustainable : able to be maintained at a certain rate or level
Inside Story
Inside Story
g The earth is the third planet from the sun between Venus and Mars.
g The surface of the earth, made up of land or rock and soil, is called the lithosphere.
g Plains are the lowest features and are flat and level regions.
g The hydrosphere includes all the gaseous, liquid and solid water of the planet earth.
g Nitrogen required for maintaining soil fertility, plant and animal growth.
g The atmosphere is held in place by the earth’s force of gravity and its own weight.
g The interdependence of all the regions or realms of the earth is the most important fact of life.
A. Tick (3) the correct option.
1. The solid uppermost layer of the lithosphere is also called the:
(a) crust (b) plate (c) plain
2. The largest part of the landmass lies in the northern hemisphere, which is called the
________________ hemisphere.
(a) land (b) water (c) both (a) & (b)

Social Science-6 144