NAME: __Menglei ZHang_________ Greenhouse Effect SIM GO TO Website: http://phet.colorado.edu/en/simulation/greenhouse. Click on “Run Now” to run the simulation. What do the yellow dots moving down represent?____sunlight photon_____________________ What do the red dots represent?__________infrared photon_________________ Watch them carefully. Do they all move upwards? ______No. Sunlight photons move downwards. Because the earth is receiving it._____ Why or why not? Today Record
Premium Greenhouse gas Carbon dioxide Methane
The Greenhouse Effect and Global Warming Recently‚ global warming has moved to a serious scientific issue. Because sunlight is constantly falling on the earth‚ the law of physics say that the planet has to radiate the same amount of energy back into space. Infrared radiation is sent out by the earth through the atmosphere‚ where molecules (carbon dioxide) hold outgoing radiation for a while‚ warming the surface.1 The molecules are kind of like glass in a greenhouse which is why this process
Premium Greenhouse gas Climate change Global warming
Greenhouse Effect and Global Warming Today‚ at the down of 21st century‚ together with the 20th century‚ especially the second half‚ is the time when Earth’s environment change at the very rapid rate. Humans have lived on this planet for thousands of years. I think now is the time to think how do we impact the place where we live‚ and the only place where we can live. The impact of human race on the natural processes of our planet has now reached the levels that are now global‚ not local
Free Global warming Greenhouse gas Earth
at a global average of about 60 degrees farenheit. Without them the average would be below the freezing point of water. The gases have this effect because as incoming solar radiation strikes the surface‚ the surface gives off infrared radiation. The effect is comparable to the way in which a greenhouse traps heat and that is how we got the name greenhouse
Premium Oxygen Greenhouse gas Sun
green chemistry‚ the most common route is the use of greenhouses. “Greenhouses are structures used to grow plants under protected conditions” (Albright‚ 2004). This topic was chosen to inform readers about the history‚ purpose‚ advantages‚ disadvantages‚ heat management‚ and future improvements of greenhouses. However‚ it was mainly selected to advise individuals about the technology that greenhouses involve and require. Presently‚ Greenhouse technology is one of the most widely researched topics
Premium Greenhouse Carbon dioxide Greenhouse gas
absorbs more energy than it emits back into space. Thus‚ energy absorbed by the surface and re-radiated back into space is captured by the atmosphere and remains there. This is known as the Greenhouse Effect‚ and there are other feedbacks that occur that exacerbate
Premium Earth Global warming Greenhouse gas
<b>The Greenhouse Effect</b> <br>The earth’s climate is predicted to change because human activities are altering the chemical composition of the atmosphere through the build up of greenhouse gases primarily carbon dioxide‚ methane‚ and nitrous oxide. <br> <br>Energy from the sun drives the earth’s weather and climate‚ and heats the earth’s surface. This causes the earth to radiate the energy back into space. Atmospheric greenhouse gases (water vapour‚ carbon dioxide‚ and other gases) trap some
Premium Ozone depletion Greenhouse gas Oxygen
Work: CO2 and the Greenhouse Effect Greenhouse gases and global warming have received increasing attention in recent years. The identification of the ozone hole in 1985 combined with unusual fluctuations in global temperatures have combined to capture the eye of the global media. Recent scientific study and analysis of the greenhouse gases has added to this interest. Greenhouse gases in the atmosphere have an important influence on the climate of our planet. Quite simply‚ greenhouse gases hinder the
Premium Greenhouse gas Ozone depletion Atmosphere
5.2 The greenhouse effect Fossilization 5.2.1 Diagram of carbon cycle and processes involved. Respiration & metabolism Photosynthesis: the process of converting light energy to chemical energy and storing it in the bonds of sugar. Respiration: the release of energy from food and it takes place in animal and plant cells. Combustion: the process in which a substance reacts with oxygen to give heat and light. 5.2.2. Analysis of change in concentration of atmospheric CO2 with records
Free Carbon dioxide Oxygen Greenhouse gas
The Greenhouse Effect Rationale The “Greenhouse Effect” is a term that refers to a physical property of the Earth’s atmosphere. If the Earth had no atmosphere‚ its average surface temperature would be very low of about 18℃ rather than the comfortable 15℃ found today. The difference in temperature is due to a suite of gases called greenhouse gases which affect the overall energy balance of the Earth’s system by absorbing infrared radiation. In its existing state‚ the Earth atmosphere system balances
Free Atmosphere Earth Sun