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NATURAL RESOURCES
S. PADMANABHAN​
AGENDA
NATURAL
RESOURCES
2
INTRODUCTION
WHAT IS NATURAL
RESOURCE ?
WHY ARE THEY IMPORTANT?
BREATH OF LIFE: AIR
THE ROLE OF THE
ATMOSPHERE IN CLIMATE
CONTROL
INTERESTING FACTS
INTRODUCTION
NATURAL
RESOURCES
3
 These are the land, the water and the air. The
outer crust of the Earth is called the lithosphere.
Water covers 75% of the Earth’s surface. It is
also found underground.
 These comprise the hydrosphere. The air that
covers the whole of the Earth like a blanket, is
called the atmosphere.
 Let us study these abiotic components in detail
in order to understand their role in sustaining life
on Earth.
WHAT IS NATURAL
RESOURCES
NATURAL
RESOURCES
4
• Natural resources are materials from the Earth that are used to
support life and meet people's needs.
• Any natural substance that humans use can be considered a natural
resource.
• Oil, coal, natural gas, metals, stone and sand are natural resources.
Other natural resources are air, sunlight, soil and water.
WHAT IS NATURAL
RESOURCES?
5
NATURAL
RESOURCES
WHY ARE THEY IMPORTANT?
6
• Natural resources are used to make food, fuel and raw materials for
the production of goods.
• All of the food that people eat comes from plants or animals.
• Natural resources such as coal, natural gas and oil provide heat, light
and power.
• Water is one of the most important natural resources flowing from
forests.
• Soil provides nutrients, water, oxygen and heat to natural land areas.
• Air is a third critical resource for humans, plants, animals and all other
organisms within a natural area.
NATURAL
RESOURCES
“IF CONSERVATION OF
NATURAL RESOURCES
GOES WRONG, THEN
NOTHING GOES
RIGHT.”
M.S. SWAMINATHAN
7
NATURAL
RESOURCES
BREATH OF LIFE: AIR
• Air is the invisible mixture of gases that surrounds Earth.
• Air contains important substances, such as oxygen and nitrogen, that
most species need to survive.
• Human beings (Homo sapiens), of course, are one of those species.
Sometimes, the word "atmosphere" is used instead of the word "air.
• It consists of 78% nitrogen, 21% oxygen and 1 % other gases and
water vapor.
• The composition of air does not change as you travel through the
layers of the atmosphere.
8
PRESENTATION
TITLE
THE ROLE OF THE ATMOSPHERE IN
CLIMATE CONTROL
• The atmosphere is a protective layer that safeguards the earth from
the harsh conditions of the solar system.
• The air is a poor conductor of heat. During the day, it prevents a
sudden increase in the temperature of the earth and prevents the heat
to escape to outer space during the night.
• It keeps the average temperature of the earth steady.
• Moon has no atmosphere and the temperature ranges from 121°C
during the day to -157°C at night.
9
PRESENTATION
TITLE
THE ROLE OF THE ATMOSPHERE
IN CLIMATE CONTROL
• The atmosphere protects the earth from the radiation and cosmic rays
coming from outer space. The ozone layer in the earth’s atmosphere
protects the earth from harmful ultraviolet radiations.
• The dense layers of molecular gases absorb the cosmic rays, gamma
rays, and X-rays thereby blocking most of the harmful effects. Tons of
space debris strike the earth every day.
• It is the molecules present in the atmosphere that destroy them before
they reach the ground.
• The water vapors condenses and falls as rain, thereby, providing the
earth with a life-sustaining resource. If there was no atmosphere, the
water would have boiled away into space or would have remained
frozen.
1 0
PRESENTATION
TITLE
INTERESTING FACTS
• The U.S. currently accounts for only 4.4% of the world's
population but 18% of the world's total primary energy
consumption.
• Nonrenewable resources, such as coal and natural gas, take millions
of years for the planet to replenish, and renewable resources must be
replaced as they're being used.
• Despite being covered in water, less than 1% of the Earth’s water is
available for human use and consumption.
• The remaining 99% is salt water, is water trapped in ice caps or
glaciers, or is too inaccessible to humans.
• Global water demand for manufacturing is expected to increase by
400% from 2000 to 2050.
1 1
PRESENTATION
TITLE
SUMMARY
1 2
Life on Earth depends on resources like soil,
water and air, and energy from the Sun. •
Uneven heating of air over land and water-
bodies causes winds. • Evaporation of water
from water-bodies and subsequent
condensation give us rain. • Rainfall patterns
depend on the prevailing wind patterns in an
area. • Various nutrients are used again and
again in a cyclic fashion. This leads to a certain
balance between the various components of
the biosphere. • Pollution of air, water and soil
affect the quality of life and harm the
biodiversity. • We need to conserve our natural
resources and use them in a sustainable
manner.
NATURAL
RESOURCES
THANK YOU
S. PADMANABHAN
GRADE 9|ADARSH VIDYA KENDRA

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Natural resources science.pptx

  • 2. AGENDA NATURAL RESOURCES 2 INTRODUCTION WHAT IS NATURAL RESOURCE ? WHY ARE THEY IMPORTANT? BREATH OF LIFE: AIR THE ROLE OF THE ATMOSPHERE IN CLIMATE CONTROL INTERESTING FACTS
  • 3. INTRODUCTION NATURAL RESOURCES 3  These are the land, the water and the air. The outer crust of the Earth is called the lithosphere. Water covers 75% of the Earth’s surface. It is also found underground.  These comprise the hydrosphere. The air that covers the whole of the Earth like a blanket, is called the atmosphere.  Let us study these abiotic components in detail in order to understand their role in sustaining life on Earth.
  • 4. WHAT IS NATURAL RESOURCES NATURAL RESOURCES 4 • Natural resources are materials from the Earth that are used to support life and meet people's needs. • Any natural substance that humans use can be considered a natural resource. • Oil, coal, natural gas, metals, stone and sand are natural resources. Other natural resources are air, sunlight, soil and water.
  • 6. WHY ARE THEY IMPORTANT? 6 • Natural resources are used to make food, fuel and raw materials for the production of goods. • All of the food that people eat comes from plants or animals. • Natural resources such as coal, natural gas and oil provide heat, light and power. • Water is one of the most important natural resources flowing from forests. • Soil provides nutrients, water, oxygen and heat to natural land areas. • Air is a third critical resource for humans, plants, animals and all other organisms within a natural area. NATURAL RESOURCES
  • 7. “IF CONSERVATION OF NATURAL RESOURCES GOES WRONG, THEN NOTHING GOES RIGHT.” M.S. SWAMINATHAN 7 NATURAL RESOURCES
  • 8. BREATH OF LIFE: AIR • Air is the invisible mixture of gases that surrounds Earth. • Air contains important substances, such as oxygen and nitrogen, that most species need to survive. • Human beings (Homo sapiens), of course, are one of those species. Sometimes, the word "atmosphere" is used instead of the word "air. • It consists of 78% nitrogen, 21% oxygen and 1 % other gases and water vapor. • The composition of air does not change as you travel through the layers of the atmosphere. 8 PRESENTATION TITLE
  • 9. THE ROLE OF THE ATMOSPHERE IN CLIMATE CONTROL • The atmosphere is a protective layer that safeguards the earth from the harsh conditions of the solar system. • The air is a poor conductor of heat. During the day, it prevents a sudden increase in the temperature of the earth and prevents the heat to escape to outer space during the night. • It keeps the average temperature of the earth steady. • Moon has no atmosphere and the temperature ranges from 121°C during the day to -157°C at night. 9 PRESENTATION TITLE
  • 10. THE ROLE OF THE ATMOSPHERE IN CLIMATE CONTROL • The atmosphere protects the earth from the radiation and cosmic rays coming from outer space. The ozone layer in the earth’s atmosphere protects the earth from harmful ultraviolet radiations. • The dense layers of molecular gases absorb the cosmic rays, gamma rays, and X-rays thereby blocking most of the harmful effects. Tons of space debris strike the earth every day. • It is the molecules present in the atmosphere that destroy them before they reach the ground. • The water vapors condenses and falls as rain, thereby, providing the earth with a life-sustaining resource. If there was no atmosphere, the water would have boiled away into space or would have remained frozen. 1 0 PRESENTATION TITLE
  • 11. INTERESTING FACTS • The U.S. currently accounts for only 4.4% of the world's population but 18% of the world's total primary energy consumption. • Nonrenewable resources, such as coal and natural gas, take millions of years for the planet to replenish, and renewable resources must be replaced as they're being used. • Despite being covered in water, less than 1% of the Earth’s water is available for human use and consumption. • The remaining 99% is salt water, is water trapped in ice caps or glaciers, or is too inaccessible to humans. • Global water demand for manufacturing is expected to increase by 400% from 2000 to 2050. 1 1 PRESENTATION TITLE
  • 12. SUMMARY 1 2 Life on Earth depends on resources like soil, water and air, and energy from the Sun. • Uneven heating of air over land and water- bodies causes winds. • Evaporation of water from water-bodies and subsequent condensation give us rain. • Rainfall patterns depend on the prevailing wind patterns in an area. • Various nutrients are used again and again in a cyclic fashion. This leads to a certain balance between the various components of the biosphere. • Pollution of air, water and soil affect the quality of life and harm the biodiversity. • We need to conserve our natural resources and use them in a sustainable manner. NATURAL RESOURCES
  • 13. THANK YOU S. PADMANABHAN GRADE 9|ADARSH VIDYA KENDRA