Rock cycle is defined as the changes involved in the different types of rocks, however the rock cycle illustrates and explains how the three types of rocks are related to each other, and how processes change from one type of rock to another over time. The rock cycle takes place due to two forces: …
What is weathering? Weathering is defined as a process by which the rocks on the surface of the earth are broken down into smaller pieces due to running water, ice, snow or frost, variation of temperature and pressure or due to chemical (dissolution) action on the materials. After rock is broken down into smaller …
What is Igneous Rock Igneous rock is one of the three main types of rocks; other ones are sedimentary rocks and metamorphic rocks. Igneous rock is formed from the cooling and solidification of molten magma. Igneous rocks are derived from the Latin word Ignis which means of fire or heat, the name best describes these rocks …
What are Sedimentary Rocks? Sedimentary rocks are formed from the accumulation of sediments by water, ice or wind. A wide variety of live forms exist in sedimentary environments however, sedimentary rocks contain evidence of life in form of fossil. Fossil and fragments of fossil can build up to form limestone. Sedimentary rocks …
What are metamorphic rocks? Metamorphic rocks are rocks whose structure and appearance have been affected or changed by greater heat, pressure and chemical processes, usually while buried deep below the Earth’s surface or where tectonic plates meet. Exposure to these extreme conditions has altered the mineralogy, texture, and chemical composition of these …
Soil covers the earth surface that is the top most layer of the Earth crust on which plants grow. Soil as a natural body forms as a result of the complex interaction of parents materials, climate, relief (topography), biological organisms and time. The main qualities of soil are its texture, degree of permeability, porosity, …
The term industry covers a multitude of meanings; in its narrowest sense, it may only refer to manufacturing- the making of goods. This conjures up visions of factories and mills and it is in consequence rather limited in scope. In its broadest sense, it is refers to all stages and types of economic activity …
Geography is a discipline that has contributed to national development for quite a long time. The word geography can be broken into the two basic parts “GEO” and “GRAPHY.” GEO + GRAPHY literally means, “to write about the Earth.” Geocomes from the Greek word for Earth (the wordGaea,also meaning earth, is derived from …