LSU Geography 2051 Namikas Final Exam
2025 – Study Guide & Key Concepts
What are the 4 spheres of the Earth? - ANSWER ✨✔---- Lithosphere
- Hydrosphere
- Atmosphere
- Biosphere
What is the solid portion of the globe? - ANSWER ✨✔---Lithosphere
What is the water portion of the globe? - ANSWER ✨✔---Hydrosphere
What is the gases that surround the globe? - ANSWER ✨✔---Atmosphere
What are the living organisms that occupy the globe? - ANSWER ✨✔---Biosphere
A method for producing new knowledge - ANSWER ✨✔---Scientific method
A body of existing knowledge - ANSWER ✨✔---Theory
A provisional explanation - ANSWER ✨✔---Hypothesis
,A set of objects and their attributes that are linked together by a flow of matter and energy -
ANSWER ✨✔---System
Matter and energy can leave the system - ANSWER ✨✔---Open system
The system is self-contained; matter and energy are preserved - ANSWER ✨✔---Closed system
Whatever is inputted in to the system will either be used as storage or will be outputted -
ANSWER ✨✔---Budgets
Inputs are larger than outputs and storage increases - ANSWER ✨✔---Positive budget
Outputs are larger than inputs and storage decreases - ANSWER ✨✔---Negative budget
Inputs are equal to outputs and storage is constant - ANSWER ✨✔---Balanced budget (equilibrium)
A fixed balance that is rarely changing - ANSWER ✨✔---Static equilibrium
A balance that is constantly changing - ANSWER ✨✔---Dynamic equilibrium
System response to a change in conditions or inputs that acts to influence that initial change -
ANSWER ✨✔---Feedbacks
System responses that result in positive increases - ANSWER ✨✔---Positive feedbacks
System responses that act to reduce environmental conditions and helps the system maintain and
preserve itself - ANSWER ✨✔---Negative feedbacks
, Parallels that use the equator as reference - ANSWER ✨✔---Latitude
MeridiANSWER that use Greenwich as a reference - ANSWER ✨✔---Longitude
The innermost portion of the earth - ANSWER ✨✔---Core
The part of the earth that is very hot, under a lot of pressure, and contains solid iron -
ANSWER ✨✔---Inner core
The part of the earth that is hot, liquid iron - ANSWER ✨✔---Outer core
The middle portion of the earth - ANSWER ✨✔---Mantle
The plastic layer of the mantle - ANSWER ✨✔---Asthenosphere
The rigid layer of the mantle - ANSWER ✨✔---Uppermost mantle
The outermost portion of the earth - ANSWER ✨✔---Crust
The mantle and crust makes up the ________ - ANSWER ✨✔---Lithosphere
A type of rock formed from cooling magma and is broken down by weathering processes -
ANSWER ✨✔---Igneous rock
A type of rock formed by lithification and sediments - ANSWER ✨✔---Sedimentary rock
A rock that is formed by a molecular change due to intense heat and pressure - ANSWER ✨✔---
Metamorphic rock
2025 – Study Guide & Key Concepts
What are the 4 spheres of the Earth? - ANSWER ✨✔---- Lithosphere
- Hydrosphere
- Atmosphere
- Biosphere
What is the solid portion of the globe? - ANSWER ✨✔---Lithosphere
What is the water portion of the globe? - ANSWER ✨✔---Hydrosphere
What is the gases that surround the globe? - ANSWER ✨✔---Atmosphere
What are the living organisms that occupy the globe? - ANSWER ✨✔---Biosphere
A method for producing new knowledge - ANSWER ✨✔---Scientific method
A body of existing knowledge - ANSWER ✨✔---Theory
A provisional explanation - ANSWER ✨✔---Hypothesis
,A set of objects and their attributes that are linked together by a flow of matter and energy -
ANSWER ✨✔---System
Matter and energy can leave the system - ANSWER ✨✔---Open system
The system is self-contained; matter and energy are preserved - ANSWER ✨✔---Closed system
Whatever is inputted in to the system will either be used as storage or will be outputted -
ANSWER ✨✔---Budgets
Inputs are larger than outputs and storage increases - ANSWER ✨✔---Positive budget
Outputs are larger than inputs and storage decreases - ANSWER ✨✔---Negative budget
Inputs are equal to outputs and storage is constant - ANSWER ✨✔---Balanced budget (equilibrium)
A fixed balance that is rarely changing - ANSWER ✨✔---Static equilibrium
A balance that is constantly changing - ANSWER ✨✔---Dynamic equilibrium
System response to a change in conditions or inputs that acts to influence that initial change -
ANSWER ✨✔---Feedbacks
System responses that result in positive increases - ANSWER ✨✔---Positive feedbacks
System responses that act to reduce environmental conditions and helps the system maintain and
preserve itself - ANSWER ✨✔---Negative feedbacks
, Parallels that use the equator as reference - ANSWER ✨✔---Latitude
MeridiANSWER that use Greenwich as a reference - ANSWER ✨✔---Longitude
The innermost portion of the earth - ANSWER ✨✔---Core
The part of the earth that is very hot, under a lot of pressure, and contains solid iron -
ANSWER ✨✔---Inner core
The part of the earth that is hot, liquid iron - ANSWER ✨✔---Outer core
The middle portion of the earth - ANSWER ✨✔---Mantle
The plastic layer of the mantle - ANSWER ✨✔---Asthenosphere
The rigid layer of the mantle - ANSWER ✨✔---Uppermost mantle
The outermost portion of the earth - ANSWER ✨✔---Crust
The mantle and crust makes up the ________ - ANSWER ✨✔---Lithosphere
A type of rock formed from cooling magma and is broken down by weathering processes -
ANSWER ✨✔---Igneous rock
A type of rock formed by lithification and sediments - ANSWER ✨✔---Sedimentary rock
A rock that is formed by a molecular change due to intense heat and pressure - ANSWER ✨✔---
Metamorphic rock