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Environmental: explore STEM content (page 21 of 27) · openstem

All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Environmental Environmental groups

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Search the community's STEM library — free to study, yours to make your own.

Environmental

Geology, climate and the environment on openstem — flashcards, notes, quizzes, plots and sketches shared by the community. Study free, or clone anything into your library.

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Note~143 words · 1 min

The Three R's Every day we use lots of materials — paper, plastic, glass, metal. The 'Three R's' are three ways to make less of that turn into rubbish. Where Does Recycling Go? Should I Reduce, Reuse, or Recycle? Before you toss something o

Environmental

Environmental · L1 · Recycling & the Three R's

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Environmental · L1 · Recycling & the Three R's

Flowchart11 objects

Environmental

Environmental · L1 · The Wildlife Rescue Process

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Environmental · L1 · The Wildlife Rescue Process

Collection4 items

01Environmental · L2 · Wildlife Corridors & Habitat Fragmentation

02Environmental · L2 · Wildlife Corridors & Habitat Fragmentation

03Environmental · L2 · Habitat Fragmentation vs. a Connected Landscape

+1 more

Environmental

Environmental · L2 · Wildlife Corridors & Habitat Fragmentation

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Environmental · L2 · Wildlife Corridors & Habitat Fragmentation

Quiz5 questions

What question does the 'screening' stage of an EIA answer?

AWhether the proposed project requires a full EIA at allBWhat the final mitigation measures should beCWhether the project has already been approvedDThe exact cost of the project

Environmental

Environmental · L3 · Environmental Impact Assessment (EIA)

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Environmental · L3 · Environmental Impact Assessment (EIA)

Note~134 words · 1 min

Getting Around Cleanly Every trip we take — to school, to a friend's house, across town — can be made in different ways. Some of those ways release exhaust into the air, and some do not. Choosing a Cleaner Trip None of these choices need to

Environmental

Environmental · L1 · Clean Transportation

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Environmental · L1 · Clean Transportation

Flowchart9 objects

Environmental

Environmental · L3 · From Habitat Loss to Local Extinction

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Environmental · L3 · From Habitat Loss to Local Extinction

Quiz5 questions

What is a wetland?

AA dry desert with sand dunesBLand covered by shallow water for part or all of the yearCThe deepest part of the oceanDA frozen glacier

Environmental

Environmental · L1 · Wetlands & Swamps Quiz

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Environmental · L1 · Wetlands & Swamps Quiz

Flashcards8 cards

What does insulation actually do, physically?1 / 8

Insulation slows the conduction of heat through a wall, roof, or floor by trapping pockets of air (or another low-conductivity material) that resist heat flow. In winter that keeps indoor heat from escaping; in summer it keeps outdoor heat from getting in — either way, the heating or cooling system has to work less.

Environmental

Environmental · L2 · Energy Efficiency in Buildings

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Environmental · L2 · Energy Efficiency in Buildings

Flashcards8 cards

Define Minimum Viable Population (MVP).1 / 8

MVP is the smallest population size estimated to have a specified probability (e.g. 95%) of persisting for a specified period (e.g. 100 years), accounting for demographic, environmental, and genetic stochasticity plus catastrophic events. It is a probabilistic threshold, not a single fixed number — MVP estimates vary by species life history and the risk tolerance chosen.

Environmental

Environmental · L4 · Conservation Biology & Population Viability

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Environmental · L4 · Conservation Biology & Population Viability

Flowchart12 objects

Environmental

Environmental · L4 · Environmental Law & Regulation: NEPA, CAA, CWA, and the EIA Process · flowchart

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Environmental · L4 · Environmental Law & Regulation: NEPA, CAA, CWA, and the EIA Process · flowchart

Flashcards8 cards

What is 'top-of-atmosphere' (TOA) radiance, and why must it be corrected before land-surface analysis?1 / 8

TOA radiance is what a satellite sensor actually measures — surface-reflected sunlight after it has already passed through the atmosphere twice (down and back up), plus atmospheric scattering and emission contributions along the way. Because the atmosphere scatters and absorbs light wavelength-dependently (aerosols, water vapor, ozone), TOA radiance is a distorted version of true surface reflectance and must be corrected before it can be used quantitatively for land-surface science.

Environmental

Environmental · L5 · Remote Sensing Retrieval & Inversion Algorithms

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Environmental · L5 · Remote Sensing Retrieval & Inversion Algorithms

Flowchart9 objects

Environmental

Environmental · L1 · How Wetlands Prevent Floods

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Environmental · L1 · How Wetlands Prevent Floods

Flowchart13 objects

Environmental

Environmental · L3 · The Phosphorus Cycle · flowchart

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Environmental · L3 · The Phosphorus Cycle · flowchart

Quiz4 questions

The Rossby number is defined as Ro = U/(fL). What does a small Rossby number (Ro ≪ 1) imply about the flow?

ACoriolis forces dominate; geostrophic balance is a good approximation.BInertial forces dominate; the flow is ageostrophic.CViscous forces dominate; the flow is laminar.DThe flow is supersonic and compressible.

Environmental

Environmental · L5 · Geophysical Fluid Dynamics

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Environmental · L5 · Geophysical Fluid Dynamics

Flowchart7 objects

Environmental

Environmental · L3 · Population Ecology & Carrying Capacity · flowchart

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Environmental · L3 · Population Ecology & Carrying Capacity · flowchart

Flowchart8 objects

Environmental

Environmental · L3 · Climate Feedback Loops · flowchart

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Environmental · L3 · Climate Feedback Loops · flowchart

Quiz5 questions

What is a wildlife rescue center?

AA zoo where animals are kept for entertainmentBA place that cares for injured, sick, or orphaned wild animalsCA pet shopDA farm for raising livestock

Environmental

Environmental · L1 · Wildlife Rescue & Rehabilitation Quiz

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Environmental · L1 · Wildlife Rescue & Rehabilitation Quiz

Flowchart20 objects

Environmental

Environmental · L5 · Seismic Wave Propagation and Shadow Zones

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Environmental · L5 · Seismic Wave Propagation and Shadow Zones

Note~133 words · 1 min

What Do Forests Give Us? Forests do far more than look nice. They quietly do jobs that keep the whole planet working. What Is Deforestation? Deforestation happens when large areas of forest are cut down — often to clear space for farms, roa

Environmental

Environmental · L1 · Forests & Why Trees Matter

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Environmental · L1 · Forests & Why Trees Matter

Plot1 plot · 1 param

Environmental

Atmospheric CO₂ Rise Since 1960 (Keeling Curve)

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Atmospheric CO₂ Rise Since 1960 (Keeling Curve)

Quiz5 questions

What is environmental justice?

AThe principle that all people deserve equal protection from environmental hazards, regardless of race or incomeBA law that only applies to national parksCA tax on polluting companiesDA term for lawsuits between two companies over resources

Environmental

Environmental · L2 · Environmental Justice

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Environmental · L2 · Environmental Justice

Flowchart19 objects

Environmental

Environmental · L2 · Biodiversity & Species Loss · flowchart

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Environmental · L2 · Biodiversity & Species Loss · flowchart

Flowchart15 objects

Environmental

Environmental · L2 · From Causes of Deforestation to Its Effects

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Environmental · L2 · From Causes of Deforestation to Its Effects

Flashcards8 cards

What is a negative externality, and give an environmental example.1 / 8

A negative externality occurs when a market transaction imposes an uncompensated cost on a third party not involved in that transaction. Example: a factory's pollution harms downwind residents' health and downstream water users, but neither the factory nor its customers pay for that harm — it's a cost the market price never reflects, leading to over-production relative to the socially optimal level.

Environmental