Rocks

Question 1

3 types of rocks

Answer 1

1. Igneous rocks
2. Sedimentary rocks
3. Metamorphic rocks

Question 2

Name 2 igneous rocks

Answer 2

Basalt and granite are the two most common igneous rocks in Ireland.

Question 3

Name 2 sedimentary rocks

Answer 3

Limestone and sandstone are the most common sedimentary rocks in Ireland.

Question 4

Name 2 metamorphic rocks

Answer 4

Two examples of metamorphic rocks found in Ireland are marble and quartzite.

Question 5

What are Igneous rock

Answer 5

Igneous rocks are formed as a result of volcanic activity.
When hot molten magma escapes from the mantle it cools and hardens. If it ; reaches the surface as lava, it cools and solidifies quickly, whereas the magma inside the crust cools more slowly.

Question 6

What are sedimentary rocks

Answer 6

Sedimentary rocks are formed from particles of other rocks, as well as dead plants and animals. These sediments are deposited on sea : and lake beds as well as on land.
Layers of this material build up over time and are compressed and cemented, creating solid rock.

Question 7

What are metamorphic rocks

Answer 7

Metamorphic rocks are formed from rocks that already exist. They form when igneous or sedimentary rocks are changed into new, harder rocks by great heat or pressure or sometimes both.

Question 8

2 Positive impacts of quarrying

Answer 8

They also provide the raw materials to make copper, steel, iron and glass.
They provide employment, which supports the local economy.

Question 9

2 negative impacts of quarrying

Answer 9

They can cause noise, water and air pollution.
They can be an eyesore (i.e. they look bad) because the bare rock is exposed. Many people don’t want to live near a mine or quarry.

Question 10

Example of a quarry

Answer 10

Tara mine navan co.Meath

Question 11

Human impacts on rocks

Answer 11

One way in which humans interact with the rock cycle is quarrying. Quarrying is the extraction of stone from the earth’s surface