igneous rocks
Igneous rocks are formed when this is cooled.
What is magma or lava?
These can be preserved in the layers of sedimentary rocks.
What are fossils?
Metamorphic rocks are originally these types of rocks.
What are igneous and sedimentary rocks?
This rock can be compared to a sandwich, because it has layers.
What is sedimentary rocks?
This type of igneous rock is black and glossy.
What is obsdian?
This type of sedimentary rock can be used to create buildings.
What is limestone?
Limestone can be changed into this type of metamorphic rock.
What is marble?
Granite is an example of this rock.
What is igneous?
These are the two types of igneous rocks.
What are intrusive and extrusive?
Sedimentary rocks are formed over ____.
What is time?
What are heat and pressure.
These rocks are morphed into new ones by environmental factors.
What are metamorphic rocks?