(par 2.2.1. 6.2) Soil organic matter
This topic has four questions: What is organic matter? What are the 4 main steps in degradation of organic matter? What is the impact of incorporating organic matter into the soil? What is humus? Question 1: What is organic matter? Organic matter is anything that contains carbon compounds that were formed by living organisms. It […]
(par 2.2.1 ) A-biotic components & ecosystem-functioning
http://www.bcb.uwc.ac.za/Sci_Ed/grade10/ecology/abiotic/abiot.htm Abiotic components The way in which plants and animals grow and carry out their different activities is a result of several abiotic factors. These factors are light, temperature, water, atmospheric gases, wind as well as soil (edaphic) and physiographic (nature of land surface) factors. Light Light energy (sunlight) is the primary source of energy […]
(par 2.2.1 ) Elements: Earth, Water, Air, and Fire
Elements: Earth, Water, Air, and Fire In This Issue: – Earth, Water, Air, and Fire – Make a Fire Extinguisher Science Project – Traveling Nutrients Science Project – Noteworthy Scientist: George Gabriel Stokes – Fabulous Facts Earth, Water, Air, and Fire: The Four States of Matter The ancient Greeks believed that there were four elements […]