Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
โครงงานวิทยาศาสตร์ ดิน
1. The study physical of soil: EIS Program M.2/1
Researchers:
Duanghathai Srinammang M.2/1
Napat Khoksinok M. 2/1
Anutsara Pratumkam M.2/1
Teacher: Miss Nichatcha Aryowong
2. Well come to my presentation
We are students in EIS Class Program
Nongwa pitthayasann School
The study physical of soil: EIS Program M.2/1
4. Why soil is importance?
Soil is linked to everything around us and
performs many important roles in sustaining
life on Earth. Soil plays tree key roles:
1. Providing the basis for food and biomass production
2. Controlling and regulating environmental interactions- regulating water
flow and quality
3. Storing carbon and maintaining the balance of gases in the air.
5. The Equipments and Materials:
Soil, thermometer, litmus paper,
universal indicator and beaker
6. Methods:
1. Collect the sample of soil around the school. (8 areas)
2. Observing physical of soil: (1) color (2) component
(humus, living things, sand, gravel, branch, stone etc.
3. Measuring moisture of the sample with Thermometer.
4. Measuring the pH value with litmus paper.
5 Molding the sample to line.
6. Analysis the physical of soil: Compare result of
experiment each groups.