Rocks

Question 1

What is a igneous rock and how does it form. Give 3 examples

Answer 1

A rock that has form from the cooling of magma or lava that has risen onto the crusts surface. 1.Granite 2.Basalt 3.Obsidian

Question 2

What is a sedimentary rock and how does it form. Give 3 examples

Answer 2

A sedimentary rock is a rock that is built up of sediments and organic materials that have been compressed over time. 1.Sandstone 2.limestone 3.Coal

Question 3

what is a metamorphic rock and how does it form. Give 3 examples

Answer 3

A metamorphic rock is a rock that id formed by a sedimentary and igneous rock forming together over time by change in heat and pressure. 1.Marble 2. Quartzite 3.Gneiss

Question 4

Human interaction with rocks. give three examples and explain each one.

Answer 4

1.Drilling: If oil or gas is found under ground it will be pumped through a pipeline and if it is found in the sea it is called offshore drilling 2.Quarrying: If a resource is found near the surface of the earth opencast mining is used to extract it it is very cheap but can scar the landscape 3.shaft Mining: This is used if a resource is deep in the earth in seams so shafts are constructed ti reach the seams it is very expensive and dangerous