Igneous rocks
Igneous rocks are formed from this
What is molten rock?
Sedimentary rocks are formed by this
What is erosion?
Metamorphic rocks are formed by these
What are heat and pressure?
The rock cycle begins with this
What is a volcano?
The layer between the Crust and the inner and outer core
What is the mantle?
Igneous rocks can form at the earth's surface or
What is deep underground?
Sediments are pressed together to form what in Sedimentary rocks
What are layers?
These rocks are formed where
What is deep in the Earth's surface?
When lava cools and hardens it becomes
What are igneous rocks?
The color of a mineral when it is ground to a powder
What is streak?
The top layer of the earth's crust is mostly made up of igneous rocks, what is that layer called?
What is the crust?
This sedimentary rock is mined and can be used for heating
What is Coal?
Metamorphic rocks were once these
What are Igneous and Sedimentary rocks?
pieces of sediment press together, over time to form these
What are Sedimentary rocks?
The way a mineral shines, or reflects light.
What is luster?
This is an igneous rock that is very light with lots of holes (can be used to remove dead skin)
What is pumice?
This sedimentary rock is primarily made of sand and is most commonly used for building.
What is Sandstone?
This metamorphic rock was used for roofing many years ago.
What is Slate?
This stage produces rocks from heat and pressure
What are Metamorphic rocks?
A measure of how easily a mineral can be scratched
What is hardness?
This is an igneous rock that is very hard and colorful that is used for countertops
What is Granite?
This sedimentary rock is an essential component in concrete
What is Limestone?
These metamorphic rocks are commonly used for countertops
What are marble or quartzite?
Hot melted rock inside a volcano
What is Magma?
The tendency of a mineral to split easily along flat surfaces
What is cleavage?
Igneous rocks are formed from this cooled, hardened substance
What is lava?
Layers in sedimentary rocks are called
What is Strata?
Besides a volcanic eruption, what else can bring these rocks to the surface
What is erosion?
The very center of the Earth
What is the Core?
A mineral that is shiny like metal
What is a Metallic mineral?