|Home » Articles » LESSON NOTES (Social Studies)|
|Entries in section: 32
Shown entries: 31-32
|Pages: « 1 2 ... 9 10 11|
THE ROCK CYCLE
The Rock Cycle is a group of changes. Igneous rock can change into sedimentary rock or into metamorphic rock. Sedimentary rock can change into metamorphic rock or into igneous rock. Metamorphic rock can change into igneous or sedimentary rock. Read More .........
ROCKS OF THE EARTH:
The earth’s crust consists of rocks and rocks consist of combination of different minerals and in turn minerals are made up of one or more element, some minerals are themselves elements, example Gold, Diamond, Sulphur we don’t have combination of these elements.
Definition: Rocks are aggregate of minerals in solid state.
Rocks can be classified according to their origin and age, there are three types of rocks which classified based on their mode of formation. Read More ...........