Retrieval practice Flashcards
(34 cards)
Name the three rock families
Igneous
Sedimentary
Metamorphic
Which rock family is formed at the bottom of oceans, seas and lakes?
Sedimentary
Name the different types of igneous rocks.
Intrusive - eg. granite
Extrusive - eg. basalt
Where would an intrusive rock form?
Inside the magma
What process(es) does a rock go to for it to turn into a metamorphic rock?
heat and pressure
Name an example of a metamorphic rock.
Slate, marble
Name an example of an intrusive igneous rock.
Granite, gabbro
In one word, how does an igneous rock turn into magma?
Melting
The type of metamorphic rock formed depends on the original rock that it was made from. For example granite turns into……
Gneiss
The type of metamorphic rock formed depends on the original rock that it was made from. For example shale turns into……
Slate
The type of metamorphic rock formed depends on the original rock that it was made from. For example sandstone turns into……
Quartzite
The type of metamorphic rock formed depends on the original rock that it was made from. For example chalk/limestone turns into……
Marble
Name a use for coal.
Fire
What is the process called when sediments begin to stick together?
Cementation
What is the name do we give layers that form in sedimentary rocks?
Strata
What is the name of the process that makes sedimentary rocks?
Lithification
What is the difference between lava and magma?
Lava - molten rock above the surface
Magma - molten rock below the surface
What sticks together to form sedimentary rocks?
strata (layers)
When an igneous rock cools it CRYSTALISES. What does this mean?
Forms crystals
What are all rocks made of?
minerals
Name a use for obsidian
Weapons, Mirrors, Tools
Name a use for granite.
Kerb stones
What rock family are we most likely to find fossils in?
sedimentary
What are the four types of fossils?
Mold
Trace
Body
Resin