How are sedimentary rocks formed?
With compaction and cementation.
How are igneous rocks formed?
By cooling magma.
How are metamorphic rocks formed?
With heat and pressure.
What is a rock?
A naturally occurring solid combination of minerals and organic matter.
What is the difference between magma and lava?
Magma is inside the ground and lava is outside the ground.
What are the three types of sedimentary rocks?
Clastic, organic, and chemical.
What are the two types of igneous rocks?
Intrusive and extrusive.
What are the two types of metamorphic rocks?
Foliated and non foliated.
What is foliation?
The process in which mineral grains are arranged.
What is the difference between weathering and erosion?
Weathering is the act of breaking it down and erosion is the act of carrying it away.
Which of the following is an example of a clastic sedimentary rock?
a) conglomerate
b) halite
c) coal
d) granite
a) conglomerate
What is the difference between intrusive and extrusive igneous rocks?
Intrusive form in the ground and extrusive form outside of the ground.
What is the difference between foliated and non foliated?
Foliated forms layers and non foliated does not.
What is weathering?
The breaking down of a substance with wind or water.
How is magma formed?
Through the melting of rocks.
Which of the following is an example of an organic sedimentary rock?
a) conglomerate
b) halite
c) coal
d) granite
c) coal
Which of the following is an example of an intrusive igneous rock?
a) Granite
b) Obsidian
c) Schist
d) Marble
a) granite
Which of the following is an example of a foliated metamorphic rock?
a) Granite
b) Obsidian
c) Schist
d) Marble
c) schist
What is erosion?
When sediment that has been broken down is carried away.
What are the criteria used to classify rocks?
Composition and texture.
Which of the following is an example of a chemical sedimentary rock?
a) conglomerate
b) halite
c) coal
d) granite
b) halite
Which of the following is an example of an extrusive igneous rock?
a) Granite
b) Obsidian
c) Schist
d) Marble
b) obsidian
Which of the following is an example of a non foliated metamorphic rock?
a) Granite
b) Obsidian
c) Schist
d) Marble
d) marble
What is deposition?
When sediment is dropped off.
What is the difference between pahoehoe and aa.
Pahoehoe is fast moving and hot. Aa is slow moving and cool.