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20 Cards in this Set
- Front
- Back
Define geography |
A spatial science; studies the relationship among natural systems, geographic areas, society and cultural activities |
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Define spatial |
Nature and character of physical space, its measurement and the distribution of things within it |
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What are the five spatial themes |
Location, region, Earth-human relationship, movement and place |
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Define spatial analysis |
Examining spatial interactions, patters, and variations over a given area |
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Define physical geography |
Spatial analysis of all physical elements and process systems that make up that environment |
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What is the difference between matter and energy? |
Matter is a mass with a physical shape. Energy is the ability to change the motion of or do work on matter |
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Why is Earth an open system? |
Solar energy enters and heat energy leaves the system |
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However, Earth is closed system in terms of what? |
Physical matter and resources |
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What is an example of a negative feedback? |
Predator-Prey populations |
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What is an example of a positive feedback? |
Wildfire, or global climate change |
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Define steady-state equilibrium |
inputs=outputs, constant energy and matter |
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Define dynamic equilibrium |
Changing trend over time |
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What happens when systems reach a tipping point? |
They lurch to a new operational level where equilibrium is eventually achieved |
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What are Earths four spheres? |
Atmosphere, hydrosphere, lithosphere, and biosphere |
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Define atmosphere |
Gases from inside the Earth form a veil held by gravity. |
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Define Hydrosphere |
All water that exists in the atmosphere, on the surface of neat the crust. Frozen water is called cryosphere |
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Define lithosphere |
Earths crust and part of the upper mantle directly below the crust. Soil layer is edaphosphere |
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Define biosphere |
Interactions between living organisms and their environment |
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Who calculated the circumference of Earth using sunlight and shadows? |
Eratosthenes |
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What is systems theory? |
Flow of energy and matter; distinct from environment outside of systems; subsystems |