General Flashcards
(42 cards)
What is geography?
Geography is the study of man and his environment
What are the categories of geography and what do they deal with?
Physical deals with natural environment and human deals with the study of men and activities they are involved in
What is a map?
A map is a small scaled representation of what the land looks like from above. It contains a title, key, scale, N arrow, frame.
What are the 4 types of maps?
Physical, political, population and economic
What are lines of latitude?
Lines of latitude run from east to west horizontally, forming circles around the earth.
What are lines of longitude?
Lines of longitude run from north to south through the poles
How are igneous rocks formed?
Igneous rocks are formed when magma cools and solidifies into rock
How are sedimentary rocks formed?
Sedimentary rocks are formed by deposition
How are metamorphic rocks formed?
Metamorphic rocks are igneous or sedimentary rocks that changed overtime due to pressure and temperature
What is the crust?
The outer layer of the earth which we live on
What is the mantle?
The middle layer made up of semi-molten, rock or magma.
What is the core?
An inner and outer core which consists of super heated liquid rock
What are plate tectonics?
The study of plate which make up the earths crust
How are plate margins formed?
When plates move
What are 3 Types of plate margins?
Convergent, divergent and transformed.
What is an earthquake?
It is shocks that occur when the earths plates move.
What is the focus?
The point below the surface where the vibrations of earthquakes are generated
What is the epicentre?
The location on the earths surface where vibrations are felt the strongest directly above the focus.
What are shockwaves?
The vibrations generated from the focus of the earthquake
What is the Richter scale
The scale on which earthquakes are rated. It goes from 0-9
What is a seismograph?
The instrument that constantly measures the vibrations of the earth
What is folding?
Folding is the buckling of layers of the earths crust due to immense pressure
What are the 5 main types of folds?
Simple, asymmetrical, over fold, over thrust fold and recumbent
What is a syncline and an anticline?
A valley and a hill formed when pressure gets exerted on layers of rocks in the earth.