By Elias
Materials
1. 2 plastic bottle
2. 1 Teaspoon Baking Soda and Citric Acid
3. 2 heat lamp
4. 2 Thermometer
5. 100 ml water
6. 1 rubber bung
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 100ml water and baking soda mixture into one of the bottles. add just water to the second bottle
4. Start to record your findings taken from bottle thermometers. these must be every 5 minutes.
Findings:
Minutes
|
Bottle 1: Water
|
Bottle 2: Co２ Gas
|
| 0 | 18 | 18 |
| 5 | 25 | 30 |
| 10 | 22 | 24 |
| 15 | 22 | 25 |
| 20 | 23 | 27 |
| 25 | 25 | 29 |
Conclusion: the temperature of the CO2 bottle rose higher than the normal bottle. this is showed that CO2 heats up our atmosphere very fast.
