green house effect(power point presentation)
prepared by :rishabh sood
school:k.v palampur
class:11th science
from:palampur(h,p)
for more contact:rishabhsood92@gmail.com
green house effect(power point presentation)
prepared by :rishabh sood
school:k.v palampur
class:11th science
from:palampur(h,p)
for more contact:rishabhsood92@gmail.com
This is a powerpoint presentation on Global warming that can be used to spread awareness in the society as well as help students on their homework about global warming.
This PPT is prepared and presented by Mr. Yaswanth Kishor of 9th std Jawahar Navodaya Vidyalaya, Lepakshi, Ananthpur to the INOVIT-2015 organised by Vellore Institute of Technology, Vellore, Tamilnadu on 24-25 Jan 2015.
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat to make the earth surface warmer leading to global warming.
This is a combined presentation done by me and my friends namely Nidhi Singh, Priyanka Pokharel,Swostina Ranjit and Rubina Khadka. Hope you will like this effort of ours.
P.S. The video might not work.If you want to see the video go to http://www.youtube.com/watch?v=PXvpDoGrRGU
This is a powerpoint presentation on Global warming that can be used to spread awareness in the society as well as help students on their homework about global warming.
This PPT is prepared and presented by Mr. Yaswanth Kishor of 9th std Jawahar Navodaya Vidyalaya, Lepakshi, Ananthpur to the INOVIT-2015 organised by Vellore Institute of Technology, Vellore, Tamilnadu on 24-25 Jan 2015.
The greenhouse effect is a process that occurs when gases in Earth's atmosphere trap the Sun's heat to make the earth surface warmer leading to global warming.
This is a combined presentation done by me and my friends namely Nidhi Singh, Priyanka Pokharel,Swostina Ranjit and Rubina Khadka. Hope you will like this effort of ours.
P.S. The video might not work.If you want to see the video go to http://www.youtube.com/watch?v=PXvpDoGrRGU
Greenhouse effect and global warming
Earth’s atmosphere works something like a giant glass greenhouse. As the sun’s rays enter our atmosphere, most continue right down to the planet’s surface. As they hit the soil and surface waters, those rays release much of their energy as heat. Some of the heat then radiates back out into space.
However, certain gases in our atmosphere, such as carbon dioxide, methane and water vapor, work like a blanket to retain much of that heat. This helps to warm our atmosphere. The gases do this by absorbing the heat and radiating it back to Earth’s surface. These gases are nicknamed “greenhouse gases” because of their heat-trapping effect. Without the “greenhouse effect,” Earth would be too cold to support most forms of life.
But there can be too much of a good thing. Carbon dioxide is released when we use fossil fuels, such as coal, oil and natural gas. We burn these fuels, made from the ancient remains of plants and animals, to run electricity-generating plants that power factories, homes and schools. Products of these fossil fuels, such as gasoline and diesel fuel, power most of the engines that drive cars, airplanes and ships.
By examining air bubbles in ice cores taken from Antarctica, scientists can go back and calculate what the concentrations of carbon dioxide in the atmosphere have been throughout the last 650,000 years. The amount of carbon dioxide in the atmosphere has been climbing to where today it is 30 percent greater than 650,000 years ago. That rise in carbon dioxide “is essentially entirely due to the burning of fuels,” Susan Solomon says. She’s a senior scientist with the National Oceanic and Atmospheric Administration, in Boulder, Colo., and studies factors that affect climate.
Humans have further increased the levels of greenhouse gases in the air by changing the landscape. Plants take up carbon dioxide to make food in a process called photosynthesis. Once cut down, they can no longer take in carbon dioxide, and this gas begins building up in the air instead of fueling the growth of plants. So by cutting down trees and forests for farmland and other human uses, more carbon dioxide is also added into the atmosphere.
2,3 Greenhouse gases, global scenario, green house effectt and global warming...Neeraj Ojha
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The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions.
Welcome to this in-depth article on global warming, a topic of utmost importance in today's world. Global warming refers to the long-term increase in Earth's average surface temperature due to human activities, primarily the emission of greenhouse gases into the atmosphere. In this article, we will explore the causes, consequences, and potential solutions to address this pressing issue. So, let's dive in and learn more about the impact of global warming on our planet.
Global warming is a significant environmental concern that has captured the attention of scientists, policymakers, and the general public. It is caused by the excessive release of greenhouse gases, such as carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O), into the atmosphere. These gases trap heat from the sun and prevent it from escaping back into space, leading to a rise in global temperatures.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
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Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
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2. What is greenhouse effect ?
o The word greenhouse effect hold to meanings
o One is the natural greenhouse effect that keeps our
earth climate normal and comfortable.
o On the other hand there is a man made greenhouse
effect which an enhancement of natural greenhouse .
o Made from burning fossil fuels, petroleum, coal, and
natural gas.
3. • Natural greenhouse effect is made from the heat energy radiated
from the sun .
• Greenhouse gases are naturally from the presence in the
atmosphere.
• Sunlight goes through the atmosphere warming earth in a cycle.
• The cycle continues through the atmosphere as the gases absorb
energy at the same time while the leftovers go to space.
• Some sun energy trapped in earth makes is much warmer and
comfortable .
Natural greenhouse effect
4. Man made greenhouse effect
oActivities man by humans result in production of greenhouse gases.
oWhile the amounts of gases increase in the atmosphere the stability of
the greenhouse gases change causing effects on the whole world .
oGreenhouse effect caused by burning, fossil fuels coal, natural gases
cutting and burning trees producing carbon dioxide .
oGreenhouse gases trap heat making earth harmer and creating global
warm.
6. The major greenhouse gases
The gases with the properties of greenhouse are known as
greenhouse gases.
Some gases in earth’s atmosphere for example, water(ℎ2o), carbon
dioxide (𝐶𝑂2), methane (CH), and nitrous oxide (𝑁2O) have a very
special property . They do not absorb the visible light from the sun
but they do absorb the infrared light radiated by the Earth’s surface.
These are called “greenhouse gases”.
Carbon dioxide.
Halogen gases like Chlorofluorocarbons,
Methane etc.
8. Sources of greenhouse gases
1.Thermal power stations based on fossil fuels,
mainly coal and mineral oil emitting huge amount
𝐶𝑂2.
2.Numerous factories and industrial chimney wastes
3.Automobiles
4.Deforestation and burning of fossil fuels.
10. Effect of greenhouse effect
1)Global warming and climate change.
2)Rise of sea level.
3)Worsening health effects.
4)Disruption of the water cycle
5)Changing forest and natural areas.
6)Challenges to agriculture and the food supply.
7)Effect on the ozone layer
8)Effect on oceanic climate.
13. Maintaining Earth’s
temperature
Protects the plants & gives them new lives & along with maintaining
Earth’s average temperature it also protects the existing bio-diversity.
(Helps to maintain the ecosystem)
15. a) Increase in Earth’s average temperature
b) Rise in sea level
c) Melting of snow, glaciers
d) Extinction of various plant & animal species
e) Struggle for existence
16. Effect on biodiversity
Biodiversity largely depend upon environment but when the
environment changes they can’t adapt to which leads to there
extinction.
18. What should be done to stop all this?
# Planting more trees.
# Reducing waste generation.
# Reducing the use of products which generate
greenhouse gases.
# Using energy efficient appliances.
# Increasing the fuel efficiency of vehicles.
# Using more renewable energy.
