Ignorant Igneous
This is molten rock found below the earth's surface.
What is magma?
tiny pieces of rock, sand, shells, etc. is called what
What is sediment?
The four layers of the earth that we discussed are ___
crust, mantle, outer core, inner core
When sediments go under compacting and cementing processes they become___________
What is sedimentary rocks.
The scale of hardness in a mineral goes from 1 to what number being the hardest?
10
This is molten rock found above the earth's surface.
What is lava?
The final 2 processes that turn sediments into sedimentary rocks?
What are compaction and cementation?
The continental crust meets what type of crust underwater less than 100 km from a coast?
ocean crust
When igneous, metamorphic and sedimentary rocks go under weathering and eroding they become_________________
What is sediments?
Lustre describes what property of a mineral?
the way light is reflected off the surface
Melted rock that cools quickly results in igneous rocks with what?
Small crystals
Minerals can act like _________, holding the rock together
cement
The thickest layer of the earth is
the mantle
The processes that turn metamorphic rocks into sediments
What are weathering and eroding?
To see a minerals streak, what do you need to do?
rub it on a hard, rough, white surface
When magma does this it forms granite with large crystals
Cools slowly
The top part of the mantle and the crust form which layer of the atmosphere?
_________ and ____________ turn sedimentary rocks into metamorphic rocks.
Heat and pressure
What does a waxy texture feel like?
Basalt is an igneous rock that is found in which layer of the earth?
ocean crust
What are two things that can be found in sedimentary rocks that scientists can study to learn about the past?
fossils of plants and animals
What kind of currents flow slowly in the mantle?
convection currents
When metamorphic and igneous rocks go under melting they turn into__________
What is magma?
What is a mineral?
A naturally occurring solid that has the same particles in it found in soil and rocks