Rock Cycle
Types of Rocks
Layers of the Earth
Characteristics of Rocks
Landforms
100
What is the process that moves large amounts of rock up to Earth’s surface and to higher elevations?
Uplift
100
When lava erupts and cools and crystallizes on Earth’s surface, the igneous rock that forms is called what?
Extrusive
100
What is the most dense layer of Earth?
Inner-core
100
What is the name of the color of a mineral’s powder?
Streak
100
What are landforms?
Topographic features formed by processes that shape Earth’s surface
200
What is the process of laying down sediment in a new location?
Deposition
200
When magma cools and crystallizes inside Earth, the igneous rock that forms is called what?
Intrusive
200
What is the least dense layer of Earth?
The crust
200
What is the definition of luster?
The way that a mineral’s surface reflects light.
200
What type of landform has high elevation and low relief?
Plateau
300
What is the name of molten rock under Earth's surface?
Magma
300
What type of rock forms when parent rocks are squeezed, heated, or exposed to hot fluids?
Metamorphic
300
Which layers of the Earth are made mostly of iron?
Inner-core and outer-core
300
What is the definition of cleavage?
When a mineral breaks along smooth, flat surfaces
300
What type of landform has high elevation and high relief?
Mountain
400
What is the process which the weight of overlying layers of sediment pushes the grains of the bottom layers closer together?
Compaction
400
As magma or lava cools, mineral crystals form and become the grains of what type of rock?
Igneous
400
What is the name of rigid layer that contains the crust and the uppermost mantle?
Lithosphere
400
What is the definition of fracture?
When a mineral breaks along rough or irregular surfaces
400
What is the type of landform that has low elevation and low relief?
Plain
500
Rocks subjected to high temperatures and pressure undergo a change known as what?
Metamorphism
500
Which type of rock's texture is described as coarse-grained?
Igneous
500
What is the name of the layer of rocks within the mantle, where the rock is soft enough to flow?
Asthenosphere
500
A mineral’s atomic structure determines what?
Its crystal shape
500
What is the main landform that covers the Earth?
Plain
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