Aim :

To prove the green house effect on temperature.

Appratus : 

Two glass bottles, two corks, two thermometers, vinegar, baking soda, high voltage lamp 

Procedure: 

1. Take 100ml of vinegar and a table spoon of baking soda in one bottle and close its mouth with cork. 

2. Insert the thermometer into the bottle through cork such that the bulb of the thermometer should not touch the material in the bottle. 

3. Insert another thermometer into the empty bottle through the cork.

4. Keep these two bottles opposite to a high voltage bulb such that both bottles receives the same amount of temperature. 

5. Note down the initial temperatures and record the temperatures for an hour.

Observation: 

1. We can observe that the vinegar and baking soda in the first bottle react with each other to produce CO₂ . 

2. This CO₂ absorbs and retains the more heat from the bulb than the normal air in the second bottle. Inference : This proves the green house effect (green house gases such as CO₂ ) increases the temperature of the earth.