The Geosphere
What are the layers of the geosphere?
Mantle, Core, Outer Core, Inner Core
What is a mountain range?
A group or chain of mountains.
What type of rock or mineral may contain fossils?
Limestone
What minerals are extracted for metal?
Iron and Lead
What are mines?
Places where minerals and rocks are extracted are called mines.
Which is the least dense layer? The crust, the mantle or the core?
The crust
Name 3 relief features of the oceanic crust.
Island arcs, Abyssal plains, Ocean trenches, Guyots, Volcanic Islands
What type of rock or mineral is soft and breaks easily?
Gypsum
What is quartz used to make?
Quartz is used to make glass and electrical components.
What are the two types of mines?
Underground mines and above ground mines
What are the two types of crust?
The continental crust and the oceanic crust
Name 3 relief features of continental landforms.
Mountain ranges, Shields or Cratons, Canyons, Rifts, Continental Shelves, Continental Slopes, Submarine Canyons
What type of rock or mineral produces a bright light?
Hematite
What minerals are used in the jewelry industry? (Think about gems, semi-precious stones, and native metals...)
Gems (diamonds, rubies, emeralds); Semi-precious stones (oxyn, amber, turquoise); Native metals (gold, platinum, and silver)
What is the difference between surface mines and underground mines?
Surface mines are used when the minerals are close to the surface or above ground.
Underground mines are used when the minerals are deep in the crust of the Earth.
In which layer is the rock, peridotite, located?
In the mantel
Name a country that are island arcs.
Japan, the Philippines, Greece
What type of rock or mineral tastes salty?
Halite (table salte)
What is clay used for?
Bricks, ceramics and tiles
Where are blocks of rock, such as marble or granite, mined?
Quarries are where blocks of rock, such as marble or granite, mined.
Match each feature with one or more layers of the geosphere.
liquid, semi-molten, solid
Crust (solid)
Mantle (solid & semi-molten-- magma)
Outer core (liquid, like thick honey)
Inner core (solid)
What is the name of the deepest trench?
BONUS 500 POINTS: What is its depth (in m)?
The Mariana Trench. It has a depth of more than 11000 meters deep.
What type of rock or mineral reacts to acids?
Calcite
Give two examples of different uses of minerals you can identify in your home.
The bathroom tiles contain clay minerals.
The windows contain quartz in the glass.
The pots and pans contain iron.
The bathroom sink contains marble.
What is a way we can manage the environmental impact of mining?