Classifying Rocks
These small pieces or particles make up sedimentary rock. They can be other rocks or plant and animal organisms
What is sediments
This type of rock is made of pieces of smaller rock (Hint: the older kids learned about this)
What is clastic
These types of rocks can become metamorphic rocks
What is igneous, sedimentary and other metamorphic rocks (ANY)
The small units that make up a rock and its texture are called __________.
What is grains
A physical clue that a rock is extrusive
What is air bubbles or smooth/glassy texture
Sedimentary rocks can form from sediments that have settled out of wind or water, a process called
Deposition
Where metamorphic rocks form
Deep underground
Geologists study the ________ , ________, & ______of a rock in order to identify it.
What is texture, composition, & color
Name a type of igneous rock
What is granite, diorite, tuff, basalt
What are the 6 grain sizes of sedimentary rocks?
Clay, Silt, Sand, Pebble, Cobble, Boulder
A metamorphic rock arranged in parallel layers is called
What is foliated
Igneous rock cools very quickly.When this happens the rock could be described as _________.
What is smooth or shiny or no visible crystals
This is the most common type of igneous rock
What is basalt
What is sandstone, siltstone, shale