Rock 1

The process of magma cool into a solid called....

Rock that is broken into small particles is called ____.

• eroded

• sediment

• sandstone

• Mold

what is NOT characteristic of extrusive igneous rock

• • big crystals

• Fast cooling

• • small crystals

• Cools outside the earth crust

All igneous rocks are..... and made of.....

The most common intrusive igneous rock is...

• Basalt

• Granite

• shale

• mica

The minerals in granite are

• quartz, silica, mica

• quartz, feldspar, silica

• quartz, feldspar, mica

• quartz, aluminium, mica

Mica is

• glassy crystals

• black crystals

• white crystals

Answer explanation

feldspar is white crystal

quartz is glassy crystal

Rocks are continuously being broken by a process called ......... This weakens rocks and breaks them.

Small pieces of rock called sediment are dropped to the bottom of oceans and lakes called....

• Deposition

• Cementation

• Compaction

• eroded

Answer explanation

- eroded: Weathered rocks become more broken and smaller

- Compaction: the process by which sediments are pressed together by overlying layers of sediment

- Cementation: the process by which sediments are stuck together by minerals dissolved in water

What are the 3 types of sedimentary rock?