Ch 2: Rocks

Question 1

3 Types of rocks

Answer 1

Igneous
Metamorphic
Sedimentary

Question 2

What are igneous rocks?

Answer 2

Formed when magma cools and hardens at or beneath the surface

Question 3

Granite

Answer 3

Igneous rocks that cooled under the surface. Used in buildings like the GPO. Found in Co.Wicklow

Question 4

Basalt

Answer 4

Igneous rock that cooled on the surface. Used in road chippings. Found in Giants Causeway Co.Antrim

Question 5

What are sedimentary rocks?

Answer 5

Formed from the remains of other rocks, plant life or animal life

Question 6

Limestone

Answer 6

Sedimentary rock that has remains of compressed sea creatures. Used to make cement. Found in the Burren, Co.Clare

Question 7

Sandstone

Answer 7

Sedimentary rock that is made from grains of sand. Used as paving stone. Found in Magillicuddy Reeks

Question 8

What are metamorphic rocks?

Answer 8

Once igneous or sedimentary but changed due to heat or pressure

Question 9

Marble

Answer 9

Metamorphic rock formed from limestone. Used for fireplaces. Found in Connemara, Co.Galway

Question 10

Quartzite

Answer 10

Metamorphic rock formed from sandstone. Used in road building. Found in Croagh Patrick, Co.Mayo

Question 11

Rocks as resources examples

Answer 11

Fossil fuels such as coal, oil and gas

Question 12

What is a natural resource?

Answer 12

Something not man made but needed by people

Question 13

What is drilling?

Answer 13

Used to extract oil or gas from an underground reservoir

Question 14

What is open-cast mining?

Answer 14

Cheap method of mining

Question 15

What is shaft mining?

Answer 15

Used where the resource lies deep beneath the surface