Igneous Rocks
This can cool and harden and form igneous rock.
What is magma or lava?
These are little pieces of rocks, pebbles, mineral grains, and shell fragments that eventually form rocks.
What are sediments?
is formed when pressure deep within the earth melts and changes existing rocks.
What is Metamorphic Rock?
What organisms create a highly revealing picture of the past?
What are Diatoms?
The process of rocks changing from one kind of rock to another kind of rock over long periods of time.
What is the rock cycle?
This kind of igneous rock is formed when magma cools beneath the Earth's surface.
What is Intrusive igneous rock?
These are two ways that sediments are formed.
What is weathering and erosion?
Name two types of metamorphic rocks?
What are Foliated and Non-Foliated?
Rocks above are younger than rocks below is an example of?
What is the law of superposition?
Name two ways people use rocks.
What is buildings, walls, roads, jewelry, decoration, countertops?
This type of igneous rock forms when lava cools on the Earth's surface.
What is Extrusive igneous rock?
These 2 things cause metamorphic rocks to form.
What are heat and pressure?
These types of metamorphic rocks does not split into layers
What is Non-foliated?
What type of scientist study glaciers?
Glaciologist
What happens if an igneous rock weathers? What rock does it turn into?
What is sedimentary rock?
This type of igneous rock is black with a glassy texture. We looked at it in class.
What is obsidian?
For an Igneous rock to become a sedimentary rock, what needs to happen?
What is weathering, erosion, compaction, and cementation?
How can sedimentary rock change into metamorphic rock?
What is heat and pressure?
What two organisms are permanent residents of Antarctica?
What are Penguins and Seals?
What was the name of the supercontinent?
What is Pangea?
This determines the size of crystals that form in igneous rocks.
What is the cooling rate of the magma or lava?
The type of sedimentary rock that can contain fossils.
What is organic sedimentary?
How can metamorphic rock change into igneous rock?
What is melting then cooling?
What two metals are the scientist using to determine the temperature?
What are magnesium and calcium?
The never ending rock cycle has been going on for how many years?
Over 4 billion years.