Rocks In General.

Question 1

How do igneous rock form?

Answer 1

When magma and lava cools making bassalt and granite.

Question 2

Granite forms when…

Answer 2

Magma cools in crust, cools very slowly over thousand of years. And it allowed different minerals in lava such as silica as they grow into crystals.

Question 3

Bassalt rock…

Answer 3

Cools quickly, it has contact with air snow and water. Fast cooling so doesn’t allow crystals. The crystals are microscopic.

Question 4

The formation of a sedimentary rock is..

Answer 4

Deposit of pre existing rocks or pieces of once living organism on earths surface.

Question 5

Metamorphic rocks are…

Answer 5

When other rocks are affected by great heat and pressure.

Question 6

Bassalt forms on…

Answer 6

Surface from cooling lava at volcanoes and fissure eruptions.

Question 7

More about bassalt is that

Answer 7

It has air bubbles in it 🫧

Question 8

Where is Bassalt rock founded in Ireland ?

Answer 8

Giants causeway Co.Antrim

Question 9

What is bassalt used for?

Answer 9

Road chippings.

Question 10

What colour is bassalt ?

Answer 10

Dark black/ brown

Question 11

Where is granite formed in?

Answer 11

Underground.

Question 12

How are granite rocks formed?

Answer 12

Magma pushes into crust but doesn’t reach surface.

Question 13

What is the colour of a granite rock?

Answer 13

Pale grey / pink

Question 14

Where are granite found in Ireland?

Answer 14

Wicklow mountains and Galway.

Question 15

What is granite used for

Answer 15

Worktop and shopfronts,

Question 16

How are sandstone formed?

Answer 16

Formed when large amounts of sand were worn away in the earths crust .

Question 17

Where is sandstone deposited on ?

Answer 17

Beds, lakes or sea floor.

Question 18

Colour of sandstone ?

Answer 18

Brown to red in colour.

Question 19

Where is sandstone founded:

Answer 19

Macgillycuddy in County Antrim

Question 20

How are limestone formed ?

Answer 20

Remains of Dead Sea creatures pile up on the bed of the sea.

Question 21

Over millions of years, limestone…

Answer 21

Become compressed and cemented together making strata

Question 22

What does strata mean?

Answer 22

It means layers.

Question 23

Where is limestone founded?

Answer 23

In Burren, Co. Clare

Question 24

What is the most common rock type found in Ireland?

Answer 24

Limestone.

Question 25

How hot can magma might be？

Answer 25

1200°C

Question 26

Fact:

Answer 26

Metamorphic rocks might change their colour and often become harder to wear away.

Question 27

How is marble formed?

Answer 27

When limestone is placed under great heat and pressure.

Question 28

How is quartzite formed?

Answer 28

When sandstone comes under great heat and pressure. This is usually folding when sandstone comes in contact with magma within the crust .

Question 29

Last fact…..

Answer 29

Well done ! U finished the flash card of rocks! Don’t forget to revise ur notes and be positive about your exam.