Vocabulary
The _______________, is the rock that forms Earth’s outer layer.
crust
The ________________ is the largest layer of the Earth.
mantle
Minerals must be ___________.
solid
Three types of rocks found in the rock cycle
Igneous rock, sedimentary rock, and metamorphic rock
The outer core is composed of the melted metals of ________________________.
nickel and iron
A ___________________ is a naturally occurring solid that can form by inorganic processes and has a crystal structure and definite chemical composition.
mineral
Asthenosphere is located in the _____________________.
middle mantle
Rocks were formed through magma, erosion & layering, and
heat and pressure
True or False: Rocks are classified by-how they form, texture, grain size and mineral composition.
True
The middle mantle "flows" because of ______________________.
convection currents
_______________________ is the process by which atoms are arranged to form a material that has a crystal structure.
Crystallization
The _________________ is the semi-rigid part of the middle mantle that flows like hot tar under a heavy
weight.
asthenosphere
True or False: Rocks Classification are-
texture, grain, minerals, color, and origin of rocks.
true
Intrusive igneous rocks is cooling that takes place ______________ Earth’s surface.
slowly beneath
What is the equation for density?
density=mass/volume
________________________________ forms when a rock is changed by heat or pressure or by chemical reactions.
Metamorphic rock
The crust is only about 3-5 miles (8 kilometers) thick under the oceans __________________ and about 25 miles (32 kilometers) thick under the continents (continental crust).
oceanic crust
Rocks have been pushed deep into the earth’s crust.
metamorphic rock
Extrusive igneous rocks is cooling that takes place ______________ Earth’s surface.
rapidly on
Sediments form through the processes of _________________________ of rocks exposed at Earth’s surface
weathering and erosion
The _____________________ is the series of processes that occur on Earth’s surface and in the crust and mantle that slowly change rocks from one kind to another.
rock cycle
Four Layers of Earth
crust, mantle, inner core, and outer core.
What are the properties of a mineral? (there are 5)
hardness, density, luster, streak, and color
Sediments are
rock pieces, mineral grains, and shell fragments
When water evaporates, minerals are left behind and form what type of rock?
sedimentary rock