Classifying Rocks
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
The Rock Cycle
100
Geologists classify rocks into 3 major groups
What is igneous, sedimentary, and metamorphic
100
Igneous rock that formed from magma and cooled very slowly UNDERNEATH the earth's surface is called ________.
What is intrusive rock
100

These small pieces or particles make up sedimentary rock. They can be other rocks or plant and animal organisms

What is sediments

100
This is how metamorphic rocks are created.
What is extreme heat and pressure
100

What is the FIRST process that forms sedimentary rock

What is weathering

200
The type of rock that forms from magma or lava cooling
What is igneous rock
200
This type of rock is formed from lava ON the earth's surface.
What is extrusive rock
200

This type of rock is made of pieces of smaller rock

What is clastic

200

These types of rocks can become metamorphic rocks

What is igneous, sedimentary and other metamorphic rocks  (ANY)

200

Igneous rock transform to sediment by processes called ___________ & ____________

What is weathering and erosion

300

The small units that make up a rock and its texture are called __________.

What is grains

300

A physical clue that a rock is extrusive

What is air bubbles or smooth/glassy texture

300

Sedimentary rocks can form from sediments that have settled out of wind or water,  a process called

Deposition

300

Where metamorphic rocks form

Deep underground

300

The layers of sediment become pressed together over time

What is compaction

400

Geologists study the ________ , ________, & ______of a rock in order to identify it.

What is texture, composition, & color

400

This type of igneous rock has a lot of Quartz

What is felsic

400
This type of rock is formed by organisms. Coal was the example we gave in class.
What is the biochemical rock
400

 A metamorphic rock arranged in parallel layers is called

What is foliated

400

The force that drives the rock cycle 

What is plate tectonics

500

Igneous rock cools very quickly.When it forms the rock could be described as _________.

What is smooth or shiny or no visible crystals

500

These are igneous rock's 3 general characteristics

What is hard, dense & durable

500

This type of sedimentary rock is made of solution

What is chemical

500
Limestone becomes ___________ under extreme temperature or pressure.
What is marble
500
How rocks can move through the rock cycle

many different ways