The greenhouse effect
Materials
- 1 plastic bottle
- 1 Teaspoon Baking Soda and Citric Acid
- 1 heat lamp
- 1 Thermometer
- 100 ml of water
- 1 rubber bung
Steps:
1. Collect 2 bottles, 2 lamps and 2 thermometers from the teacher.
3. Pour 100 ml water and baking soda mixture into one of the bottles.
4. Start to record your findings taken from the bottle thermometers.
These must be every 5 minutes.
Findings: The Greenhouse Effect Data
Minutes
|
Bottle 1: Water
|
Bottle 2: CO2 Gas
|
| 0 minutes | 21 | 21 |
| 5 minutes | 25 | 20 |
| 10 minutes | 26 | 19 |
| 15 minutes | 24 | 21 |
| 20 minutes | 24 | 22 |
| 25 minutes | 25 | 23 |
| 30 minutes |