What are the three main types of rock?
Igneous, metamorphic, sedimentary
Compound is…
Substance with more than one element
Igneous rocks are formed…
By the cooling of molten rock
Sedimentary rock is formed by…
Small pieces of rock that are transported and crushed into rock
An example of sedimentary rock is …
Chalk
Metamorphic rocks are formed…
Under heat and pressure
An example of metamorphic rock is…
Marble
When molten rock cools it becomes
Igneous
How does the speed of cooling affect the size of the crystals in an igneous rock?
The faster the cooling, the smaller the crystals
Sandstone and limestone and…
Sedimentary rocks
Fossils are often found in…
Sedimentary rock