Fun Facts
Igneous, sedimentary, and metamorphic
What are the 3 main types of rocks?
when melted rock cools and hardens.
How are igneous rocks formed?
From sediments pressed and cemented together.
How are sedimentary rocks often formed?
heat and pressure
what changes metamorphic rocks
the process that changes rocks from one type to another
what is the rock cycle
A geologist
What do we call a scientist who studies rocks?
Magma.
What is melted rocked called undergound?
Sand, mud, or small pieces of rocks.
What is one thing that can become sediments?
yes
does metamorphic mean a rock has changed?
yes
can rocks change from one type to another
One or more minerals.
Are rocks made of one or more minerals?
Lava
What is melted rock called on Earth's surface?
Fossils.
What can you sometimes find in sedimentary rocks?
yes
can metamorphic rocks form from other rocks?
magma or lava
what cools to form igneous rock
Diamond.
What is the hardest natural mineral?
Granite or basalt
what is one example of an igneous rock?
Layers or strata.
What are layers of sedimentary rocks called?
limestone
what sedimentary rocks can turn into magma
heat and pressure
what two things help form metamorphic rock
Magma.
What is the name for melting rock underground?
Cooling magma or lava.
Do igneous rocks form from cooling magma or compacted sand?
Sandstone, limestone, or shale.
shale
what rock can slate form from
compaction and cementation
what process sediments together to help form sedimentary rock