The green house affect

The greenhouse effect

Materials

1. 1 plastic bottle
2. 1 Teaspoon Baking Soda and Citric Acid
3. 1 heat lamp
4. 1 Thermometer
5. 100 ml of water
6. 1 rubber bun

Minutes	Bottle 1: Water	Bottle 2: CO2 Gas
0	21	21
5	26	19
10	24	10
15	24	21
20	24	22
25	25	24

Steps:

1. Collect 2 bottles, 2 lamps and 2 thermometers from the teacher.
2. set up bottles and lamps beside a powerpoint on a flat surface.
3. Pour 100mls of water and baking soda mixture into one of the bottles.
4. Start to record your findings taken from both thermometers. these must be every 5 mins.
5.