Earth Layers
The layer of the Earth consisting of Iron and Nickel and the most dense
What is the Core?
Characteristics of a rock
What is organic, naturally occurring, solid, made of minerals and smaller rock fragments
Characteristics of a mineral
What is naturally occurring inorganic solid, with a definite crystalline structure, definite composition
A river cuts through rock forming a canyon
What is erosion?
Rocks are classified by
What is their formation?
A rock that cools very quickly forming small crystals
What is an igneous rock?
Used to describe how a mineral can scratch another mineral
What is the Moh's scale of Hardness?
Acid rain falls on a statue & over time dissolves parts of the rock
What is chemical weathering?
When iron minerals mixes with water in soil creating Clay. This is process is called
What is chemical weathering?
The thickest layer of the Earth
What is the mantle?
The process of a sedimentary rock forming into a metamorphic rock
What is heat and pressure?
To identify a mineral, a person would look at
the color, shape and hardness
Beach waves help build up sand & pebbles onto the shore
What is deposition?
A student hits a sugar cube with a hammer, it broke into pieces. This is a model of
Weathering
The layers of the Earth (Mantle, Asthenosphere, Crust Outer core and Inner Core) from the outermost to the Innermost
What is the Crust, Asthenosphere, Mantle, Outer Core and Inner Core
The process of a metamorphic rock forming into an igneous rock
What is Melting to magma and then cooling
A mineral with a hardness of 4 _______scratch a mineral with a hardness of 6
cannot
Rocks split and break, greatly changing the landscape of a region
What is water freezing in the cracks of rock?
Describe the heat flow and movement in Earth's mantle
When magma is heated, it becomes less dense and rises. When magma is cooled, it becomes more dense and sinks.
The outer core ________________dense than the inner core because it is _________ and not ______
Less dense, liquid; solid
The process an igneous rock forming into a sedimentary rock
weathering to sediments and cementation and compaction
What is the streak on a streak plate?
The result of when a faster river enters a slower river
What is sediment deposits?
The relationship between rocks and minerals
A rock is made up of minerals