A
Igneous rock forms in regions where?
Rock is heated into magma and then cools into a solid. Volcanic areas.
Sedimentary rocks can have layers of different colours because?
The rock has had different types of minerals deposited on it over a long period of time.
What is melted rock called?
Magma
What is the first step of sedimentary rock formation?
Weathering
Metamorphic rocks that have bands are classified as?
Foliated
What school does Mrs. Douglas teach at?
Cedar Elementary
What kind of rocks might you find if you are near a volcano?
Igneous
Sedimentary rock put under extreme heat and pressure, will turn into a _____.
Metamorphic
What makes igneous rocks intrusive?
They are formed inside magma. Don’t have air bubbles and tend to have crystals
What is the main way sediment turns into sedimentary rocks?
Layers! Layers of sediment press down on other layers of sediment
Heat and pressure causes which rock to form?
Metamorphic
If rock melts it turns into?
Magma
How do scientists classify rocks?
Formation
How is metamorphic rock different from sedimentary and igneous rocks?
They are existing rock that has changed/morphed from under heat and pressure
What kind of rock would you find fossils in?
Sedimentary
Metamorphic rocks that is weathered turns into?
Sediment
A metamorphic rock is covered in layers of bands. Is this rock foliated or non-foliated?
Foliated
Rocks that are made from lava or maga are classified as?
Igneous
What is weathering and what is erosion? What kind of rock does this form?
Weather is the breaking down of rock. Erosion is the movement of rock/sediment. This helps form sedimentary rock.
Explain the difference between intrusive and extrusive ignous rock? What are some characteristics to look for?
Intrusive happens inside the volcano in the magma. Tends to have crystals
Extrusive happens outside of the volcano. Rock can have air pockets.