Greenhouse effect

VC5.3.2.1
Greenhouse effect
Greenhouse effect

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Description

In experiment C5.3.2.1, the IR-CO2 experimentation kit is used to demonstrate the absorption of infrared (IR) radiation by CO2 in the wavelength range from 4100 to 4300 nm. The short-wave radiation of the Sun penetrates water vapour, carbon dioxide, ozone, nitrous oxide and methane in the Earth's atmosphere and reaches the surface of the Earth unimpeded. The long-wave heat radiation is absorbed. Acting like the glass of a greenhouse, the greenhouse gases impede the release of energy from the Earth and cause heat to build up. Only a small part of the heat radiation is emitted directly into space - the far greater share is reflected back toward the surface of the Earth. This is referred to as the natural greenhouse effect. The proportion of greenhouse gases is changing as a result of human activity. The associated temperature increase is referred to as the anthropogenic greenhouse effect.

Components of equipment sets

1 6662652  8  IR gas experiment kit LD
1 524018  8  Pocket-CASSY 2 Bluetooth LD
1 524220  4  CASSY Lab 2 LD
1 5240401 µV sensor S LD
1 521536  4  DC Power Supply 2 x 0...16 V/2 x 0...5 A LD
2 50145  4  Connecting lead 19 A, 50 cm, red/blue, pair LD
1 501861  4  Crocodile-clips, polished, set of 6 LD
1 55736 Moll's thermopile LD
1 37558  4  Hand vacuum pump LD
1 604500  4  PVC tubing 6 mm Ø, 1 m LD
1 604431  4  Silicone tubing, 5 mm diam., 1 m LD
1 667197 Silicone tubing, 4 mm diam., 1 m LD
1 604520  4  Connector with nipple LD
1 6610010  4  Minican pressurised gas canister, argon LD
1 660988  4  Minican pressurised gas canister, ethane LD
1 6610011  4  Minican pressurised gas canister, isobutane LD
1 660999  4  Minican pressurised gas canister, carbon dioxide LD
1 660998  4  Minican pressurised gas canister, oxygen LD
1 660980 Fine regulating valve for minican gas canisters LD
1 additionally required: PC with Windows 7 or higher

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C5.3.2.1 Greenhouse effect
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