Ignorant Igneous
This is molten rock found below the earth's surface.
What is magma?
tiny pieces of rock, sand, shells, etc. is called what
What is sediment?
metamorphic rocks can be made from ____________, _______________, or _______________________ rocks.
What is sedimentary, metamorphic or igneous.
When sediments go under compacting and cementing processes they become___________
Sedimentary rocks.
Wave patterns on rocks are caused by
ocean movement
Name a type of mineral found in rock
lots of examples.
This is molten rock found above the earth's surface.
What is lava?
The final 2 processes that turn sediments into sedimentary rocks.
What are compaction and cementation?
Why are the layers of a metamorphic rock wavy, while sedimentary rock has straight, flat layers?
Metamorphic rocks have wavy, not straight layers due to heat and pressure
When igneous, metamorphic and sedimentary rocks go under weathering and eroding they become_________________
sediments
Why does Uluru look orange in colour?
The rock contains iron, which has oxidised to produce rust.
What shows us how different rocks change types.
Igneous rocks are categorized as _________ or _________, depending on where the molten rock cooled.
What are extrusive and intrusive.
What is the difference between weathering, erosion and deposition?
Weathering breaks rock down, erosion carries it away and deposition drops the sediment off.
Marble
What metamorphic rock is made from limestone?
The processes that turn metamorphic rocks into sediments
Weathering and erosion
Fossils
What are the remains or impression of a prehistoric plant or animal embedded in rock called?
The oldest rocks on earth are found in which layers
The bottom layers
__________ igneous rocks have larger crystals than the other kind of igneous rocks.
What is intrusive?
This type of sedimentary rocks form when dead plants from millions of years ago mineralizes. We use it to heat homes
What is coal or organic sedimentary rock?
what are parent rocks.
_________ and ____________ turn sedimentary rocks into metamorphic rocks.
Heat and pressure
A youngest rocks are laid on the ________
Top
The study of rocks, their history and the processes that form and change them.
What is geology?
This type of igneous rock texture is due to gas bubbles getting trapped when the lava cools
What is vesticular
When rocks crack due to the expansion of water
What is freeze/thaw weathering?
Shale is the parent rock of this metamorphic rock.
What is slate?
When metamorphic and igneous rocks go under melting they turn into__________
Magma
What is a group of different sized rock fragments cemented together called?
What is gneiss and how is it made?
A type of metamorphic rock - heating and pressurising feldspar, quartz and mica