The Greenhouse Effect 

Materials:
1. 1 plastic bottle
2. Teaspoon Baking Soda and Citric Acid
3. heat lamp
4. Thermometer
5.100 ml water
6. rubber bung

Steps:
1. Collect 2 bottles, 2 lumps and thermometers from the teacher.
2. Set up the bottles and lumps beside a power point on a flat surface.

3. Pour 100 ml water and baking soda mixture into one of the bottles. 

4. Start to record both thermometers these must be every 5 minutes.

Findings:The Greenhouse Effect Data 

Minutes	Bottle 1: Water	Bottle 2: CO2 Gas
0	21	21
5	25	26
10	27	30
15