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One of the main pollutants in the atmosphere is carbon dioxide (CO2 ). In those moments the concentration of gas at 0.04% (400 ppm) in the atmosphere of the Earth. Fuel gas (the oil used to make diesel and gasoline; the coal used by the central heating plants for obtaining energy; the gas) This is the main reason for the increased concentration of gas from the Industrial Revolution.
You probably know that a greater concentration of CO2 to the atmosphere is likely to lead to CO2 being a gas which will cause greenhouse effect.
But... what’s the greenhouse effect?
A part of the radiations coming from the Sun are absorbed by this (large white arrows of the drawing) and emitted again towards the atmosphere (arrows of orange color) in the form of infrared radiations that give heat. These radiations are retained for some time in the lower part of the atmosphere, thanks to gases such as CO2 , although there are others that also participate, such as water steam.
And... what plants can do?
Plants are autototrops, that is, they can manufacture their own organic matter from inorganic matter. This happens through photosynthesis: the plant uses CO2, along with water and mineral salts and manufactures glucose and oxygen. The energy needed for these reactions is provided by solar radiation.
Photosynthesis takes place within the chloroplasts of plant cells.
We will investigate how plants can reduce the concentration of CO2 in the environment.
LET´S WORK!
We will assess the effect that plants have in the environment by reducing the concentration of CO2 . To do this we will make measurements in a closed space of known volume and then calculate the effect that the use of plants would have in a class of institute.
You’re going to need the CO2 meter, a meter, the distance meter, a plant and a millimeter paper.
Material you have to take:
plug-in CO2 meter
tape measures
graph paper
mobile phones + Plant Net app + compass app
ribbon
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