Show:
Sedimentary
Igneous
Metamorphic
Rock cycle
Challenge
100
What are sedimentary rocks?
Layers of rocks formed over a long period of time
100
How does igneous rocks form?
Igneous rocks are formed from the solidification of molten rock material
100
What is a metamorphic rock?
Result of a transformation of pre existing rock
100
Over what period of time do the 3 different kinds of rock change from one kind to another?
over 1 million years
100
What is magma?
Magma is a hot liquid made of melted minerals
200
How are Sedimentary rocks form?
Sedimentary rocks are formed by sediments that is deposited over time
200
What are the different types of igneous rocks?
The different types are intrusive and extrusive
200
How is it formed?
Extreme pressure and or heat
200
Could this statement be true? Igneous rock is eroded to form metamorphic rock
False. If Igneous rock was eroded it would then form Sedimentary rock
200
What on earth's surface can break rocks into pieces?
On Earth's surface, wind and water can break rock into pieces
300
Where do Sedimentary rocks form
Most Sedimentary rocks usually layer up at the bottom of lakes and oceans
300
Is obsidian intrusive or extrusive?
obsidian is extrusive
300
Where are metamorphic rocks formed?
Deep inside the earth by tectonic processes such as continental collision or when they are heated up by hot magma
300
Could this statement be true? Metamorphic rock melts to form Sedimentary rock
False. If Metamorphic rock melted it would then form Igneous Rock
300
what category (sedimentary, igneous, metamorphic) would Quartzite be in?
nonfoliated metamorphic
400
How many are on Earth's Surface?
75% of all rocks on Earth's surface are Sedimentary rocks
400
How long does it take for igneous rocks to form?
1 million years or more.
400
What would happen to mud stone if it was metamorphosed at temperatures in excess of 700 Celsius under wet conditions.
It would melt.
400
What type of rock can melt to form magma?
Any type (Sedimentary, Igneous, Metamorphic)
400
Which rock is not igneous? A.obsidian B. limestone C.basalt D.granite
Limestone
500
How many types of sedimentary rocks are there? What are they called?
There are 3, Clastic, biochemical, and chemical igneous.
500
How are igneous rocks classified?
By their texture, mineral or chemical content.
500
What are the 2 different types of metamorphic rocks?
Nonfoliated, Foliated
500
When______ compacts and cements, Sedimentary rock forms
Sediment
500
Where does the heat that heats the rocks come from?
Inside earth there is heat from pressure, friction. and radioactive decay