Earth Sci Lesson 4

30問 • 3年前

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______ is the study of the structure, evolution and dynamics of the earth and its natural mineral and energy resources.

Geology

________ is the study of landforms and landform evolution.

Geomorphology

A ______ is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them.

geologist

A rock is a natural substance composed of solid ______ of different minerals that have been fused together into a solid lump.

Cristals

_____ are the building blocks of rock.

Minerals

Rock consists of _______________ which do not easily disintegrate under normal conditions.

aggregate of mineral grains

The term rock generally refers to aggregates of mineral grains that are ______.

Coherent

Rocks can be classified according to their origin or formation:

Igneous, Sedimentary and Metamorphic

_________ (derived from the Latin word for fire, ignis)

Igneous rocks

These two methods of igneous rock formation are known as _____ and _____.

intrusive, extrusive

______ igneous rock formation give rise to intrusive rocks or plutonic rocks.

Intrusive

_______ igneous rock formation give rise to extrusive rocks or volcanic rocks.

Extrusive

Intrusive igneous rock have __________ size because the magma cools slowly providing the magma cools slowly providing enough time for crystals of different minerals to grow.

Large Cristal

____ is an example of intrusive igneous rock

Granite

_______ is used in construction and in the productions of cobblestones. A famous street in Vigan, Ilocos Sur is paved in cobblestones.

Basalt

________, the breaking down of rocks, is a process continuously taking place on Earth. It is brought about by processes, both physical and chemical, taking place in the atmosphere, biosphere and hydrosphere.

Weathering

Water, wind and gravity transport and deposit this weathered materials called ______

Sediments

In due time, these sediments become compacted, cemented, and hardened, a process called _______.

Lithification

Sedimentary rocks can be classified into three types:

Clastic sedimentary rock, Chemical sedimentary rock, Organic sedimentary rock

___________ is formed from the weathering rocks already inexistence.

Clastic Sedimentary Rock

Gravel and pebbles, when cemented from a sedimentary rock called ________.

Conglomerate

_________ are formed from the hardened minerals in solution.

Chemical Sedimentary Rock

is a biochemical product of calcium carbonate created by the parts of dead creatures.

Limestone

is another example of chemical sedimentary rock, which is believed to be formed by the evaporation of water of salt lakes.

Rock Gypsum

contain lithified remains of plants and animals.

Organic Sedimentary Rock

are formed through the process of metamorphism.

Metamorphic Rock

refers to the change in mineral composition or texture in solid rocks due to an increase in pressure and temperature.

Metamorphism

Igneous rocks, sedimentary rocks and other metamorphic rocks can be modified into metamorphic when they are subjected to ____ and ________.

Heat, Pressure

one type of rock is converted into metamorphic when it contact with the source of heat.

contact metamorphism, Regional metamorphism

___________ the increase temperature and pressure is associated with plate tectonic processes that formed mountains that formed mountains.

Regional metamorphism, Contact Metamorphism

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Mico Mark Costales · 64問 · 3年前

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