Variables :
Manipulated variable
- Herbs : Bergamot leaves, Guava leaves and Betel.
Responding variable.
- The efficiency in removing odor of herbs.
Constant variable : Quantity of herbs.
Expected Result.
1. We know that herbs have the properties in removing bad odor.
2. We can use herbs instead of chemicals.
3. We can arrange herbs from best to poor efficiency.
The Definition
Herbs means the leaf of bergamot, Guava spray, and Betel
Efficiency means the ability in removing bad odor of herbs. (We try our products with our friends, teachers, check their satisfaction and compare the efficiency of each products)
Materials.
A pot/Plastic bottles/big bowls/Alcohol/Tissue Paper/3 Glasses/Scissors/A stove/Herbs: - Bergamot leaves/Guava leaves/Betel
Process
The Experiment
preparation
1. Take the herbs from the garden such as bergamot leaves; Guava leaves, and Betel...
2. Clean and cut into small pieces.
3. Prepared 3 glasses and label the herbs' names.
4. Boil each herb with some alcohol.
5. Put some substance that we got from each herb in the prepared glasses.
6. Leave until they are getting to be cold.
7. Prepared 3 bottles and stick with the name of each herb.