Junior Certificate

Structure of a Volcano

A volcano is a opening in the surface of the earth which allows hot, molten rock, ash, and gases to escape from below the surface through a pipe-like outlet called a vent. These eruptions form a cone-shaped landform made of these materials. Magma chamber: A large underground pool of molten rock… Continue Reading →

Talking about your birthday and age in Spanish

Hola, Mi llamo Daniel. Tengo dieciocho años de edad. Mi cumpleaños es el quinto veinte de enero. Nací en mil novecientos noventa y cinco. Soy la mayor de mi familia. Hello, My name is Daniel. I am eighteen years old. My birthday is on the twenty fifth of january. I… Continue Reading →

Introduction to different rock types

Igneous Rocks Igneous rocks are formed when molten rock cools and hardens. Igneous rocks have crystals. The large crystals are formend in rocks that cooled slowly (deep in the crust). The small crystals are found in rocks that have cooled quickly on the surface. Plutonic igneous rocks are formed when magma cools within the earth’s crust. eg. granite. Volcanic igneous rocks are formed when molten rock cools… Continue Reading →

The Restless Earth – Revision

Crust: The outer shell of the earth is made of solid rock. It is 35km thick. Mantle: Very hot. Some rocks are semi-molten and flow about in slow moving currents. Core: The very middle which is very hot but solid iron. Pangaea 200 million years ago all of the present… Continue Reading →