natural resources materials natural resources are natural assets (raw materials) occurring in nature...
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NATURAL RESOURCES Materials
Natural resources are natural assets (raw materials) occurring in
nature that can be used for economic production or
consumption.
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NATURAL RESOURCES… Human centric
Earth’s naturally occurring assets that provide us benefits through the provision of raw materials and energy used in economic activity (or that may provide such benefits one day) and that are subject primarily to quantitative depletion through human use.
In other words, they will be used by humans for economic gain and we may one day run out.
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Categories of Natural Resources
Mineral and Energy Resources Soil Resources Water Resources Biological Resources
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Natural Resources Things people and other organisms
obtain from the living and nonliving environment.
Resources provide for the needs and wants of a population (group of the same kind of organism).
All plants and animals depend on the resources in their environments to live, grow and reproduce.
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Mineral Resources ???????
Brainstorm mineral and use.
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Minerals & Rocks
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Minerals & Rocks
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Minerals & Rocks
Red Rocks Amphitheater, Morrison CO
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Energy Resources?????????
Brainstorm energy resources – Renewable or Nonrenewable???
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Nonrenewable Energy Resources
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Renewable Energy Resources
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Soil Resources???????????
Brainstorm – what’s up with this?
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Food for thought…
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What regions have good soils?
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Water Resources????????????
Brainstorm water sources and whether they are potable. (What is potable?)
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Water as a Natural Resource… 97% of water on Earth is saline. 2.4% of water on Earth is in glaciers. 0.45% of water on Earth is in the ground
(groundwater) 0.15% of water of Earth is in lakes and
streams At any given time, 0.003% of the 0.60% of
groundwater and water and lakes & streams is potable – fit for human usage
This is literally a “drop in the bucket”
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The Great Lakes hold 20% of available fresh water on Earth
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Biological Resources???????
Brainstorm
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Biological Resources Quality of plants will be limited by
available water and the quality of soil. If handled wisely, largely renewable. Cutting edge technologies are
stemming from the use of many plants, however, many unforeseen problems are also arising.
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Biological Resources
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Transformation of Natural Resources
People use some resources without much modification Air for breathing Fresh fruits and vegetables Some spring water for
drinking
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Transformation of Natural Resources
People transform other resources to solve uniquely human problems. Timber & bricks for building Processing of raw foods into cooked &
manufactured foods Processing surface water to make it
clean for drinking Cleaning & weaving of flax, cotton &
hemp for textiles and clothing.
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ACTIVITY – MATERIALS I.D. LABManmade or Natural?
Goals: To assess prior knowledge of students. To generate interest in types and properties of
materials. To help students develop their own
definition/description of each material category. Practice classifying and justifying (critical
thinking). Practice reasoning out the origin of the materials
they are categorizing. To help students assess the origin of a material.
Credit to ASM International for lesson plan idea
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What do you need to know?
What is a natural resource? What are the 4 main categories of natural resources? What is the purpose of a natural resource? What are some examples of mineral resources? What are some examples of energy resources and are
they renewable? What is the importance of soil as a resource? What are examples of biological resources and some
concerns about them? Give some examples of how some natural resources
(mineral, energy, biological, hydrological) are modified (processed or treated) for our use.
Can you identify manmade vs. natural materials and identify their origin?