Rocks

Question 1

What are minerals?

Answer 1

Naturally occurring solid materials, when one or more stick together a rock is formed.

Question 2

Name and briefly explain the three categories of rocks

Answer 2

Igneous– Made from lava or magma.
Sedimentary – formed from particles/sediments.
Metamorphic – made from other rocks.

Question 3

How is basalt made?

Answer 3

Lava cools above ground.

Question 4

How is granite made?

Answer 4

Magma cools underground

Question 5

Name 2 differences between Basalt and Granite

Answer 5

1. Basalt is fine grained while Granite is coarse grained.
2. Basalt is black or dark grey and Granite is commonly a light grey.
3. Basalt is used for road-building and Granite is used to headstones.

Question 6

What minerals are in Basalt and where can it be found?

Answer 6

The minerals are feldspar and quarts, Giants Causeway in Antrim

Question 7

What minerals are in granite and where can it be found?

Answer 7

Quartz, Mica And feldspar, County Wicklow

Question 8

What are common sediments of sedimentary rocks?

Answer 8

Remains of rocks, plants and Dead sea life

Question 9

What are rocks?

Answer 9

Rocks are the hard material that form part of the earths crust. the main ingredient and rocks is minerals.