Rocks 1.

Question 1

What is stage 1 of rock cycle?

Answer 1

The very first rocks formed were igneous rocks. These rocks formed from cooling magma or lava

Question 2

What is stage 2 of rock cycle?

Answer 2

Over time weathering and erosion breaks down rocks into small fragments called sediments which are transported by sea, rivers, ice and wind

Question 3

What is stage 3 of rock cycle?

Answer 3

Sediments are deposited in seas or lakes and covered by other sediments. Compression turns the sediments into sedimentary rocks. These rocks can also be weathered

Question 4

What is stage 4 of rock cycle?

Answer 4

Heat from contact with molten magma and pressure causes by folding changes not igneous and sedimentary rocks into metamorphic rocks

Question 5

What is stage 5 of rock cycle?

Answer 5

Sometimes plate movements cause rocks to melt back into mantle

Question 6

Describe rock cycles only using one word per stage

Answer 6

—igneous
-weathering and erosion
-transportation and deposition
—sedimentary
-heat and pressure
—metamorphic
-melting

Question 7

How is granite formed?

Answer 7

Magma cooled in earths crust

Question 8

What crystals are found in granite?

Answer 8

Large
Mica, feldspan, quartz

Question 9

Describe granite

Answer 9

Rough
Grey, specked
Hard

Question 10

Where is granite found?

Answer 10

Wicklow mountains

Question 11

How is basalt formed?

Answer 11

Magma cooled on earths surface

Question 12

What are basalt’s crystals?

Answer 12

V small
Iron oxide

Question 13

Describe basalt

Answer 13

Smooth
Black,dark grey
Very hard

Question 14

Where is basalt found?

Answer 14

Antrim

Question 15

How is limestone formed?

Answer 15

Sediments and dead Shelly sea creatures settle at bottom of seas and lakes formed strata and were compressed to form layers of rock

Question 16

Describe limestone

Answer 16

Smooth to rough
Pure white to grey
Soft easily scratched

Question 17

Where is limestone found?

Answer 17

Clare

Question 18

How is sandstone formed?

Answer 18

Layers of sand compressed and cemented by silica together on ocean floor

Question 19

Describe sandstone

Answer 19

Smooth to rough
Yellow to red
Harder than limestone

Question 20

Where is sandstone found?

Answer 20

Kerry and cork

Question 21

How is marble formed?

Answer 21

Great heat from magma baked limestone and formed crystals

Question 22

Describe marble

Answer 22

Smooth, cold to touch
White to black with veins of red,green, yellow
Hard

Question 23

Where is marble found?

Answer 23

Connemara

Question 24

How is quartzite formed?

Answer 24

Great heat from magma bales a hardened sandstone

Question 25

Describe quartzite

Answer 25

Smooth to rough White-grey sparkly V hard

Question 26

Where is quartzite found?

Answer 26

Wicklow