Set Impact Limits - Middle School Earth and Space Science
Card 1 of 25
Which option is a criterion (not a constraint): 'reduce runoff by $30%$' or 'budget is $\$5{,}000$'?
Which option is a criterion (not a constraint): 'reduce runoff by $30%$' or 'budget is $\$5{,}000$'?
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Reduce runoff by $30%$. Percentage reduction is a measurable success criterion.
Reduce runoff by $30%$. Percentage reduction is a measurable success criterion.
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What is a constraint when designing a solution to reduce an environmental impact?
What is a constraint when designing a solution to reduce an environmental impact?
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A limit or restriction that the solution must follow. Constraints set boundaries for what solutions are possible.
A limit or restriction that the solution must follow. Constraints set boundaries for what solutions are possible.
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What is a common constraint related to time in environmental design problems?
What is a common constraint related to time in environmental design problems?
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Deadline or required implementation time. Time limits determine when solutions must be ready.
Deadline or required implementation time. Time limits determine when solutions must be ready.
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What is a common technology or materials constraint when reducing environmental impact?
What is a common technology or materials constraint when reducing environmental impact?
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Available technology, materials, or infrastructure limits. Solutions must work with existing capabilities.
Available technology, materials, or infrastructure limits. Solutions must work with existing capabilities.
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What is a common time-related constraint when implementing an environmental improvement plan?
What is a common time-related constraint when implementing an environmental improvement plan?
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Deadline or limited time to design, build, or adopt the solution. Time pressure limits planning and implementation options.
Deadline or limited time to design, build, or adopt the solution. Time pressure limits planning and implementation options.
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What is a common economic constraint that can limit environmental solutions in a community?
What is a common economic constraint that can limit environmental solutions in a community?
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Budget or cost limit. Financial resources often determine project scope.
Budget or cost limit. Financial resources often determine project scope.
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What is a measurable criterion that targets overuse of natural resources such as water or minerals?
What is a measurable criterion that targets overuse of natural resources such as water or minerals?
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Lower resource use (reduced water, energy, and raw materials). Conserving resources prevents depletion and damage.
Lower resource use (reduced water, energy, and raw materials). Conserving resources prevents depletion and damage.
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What is a measurable criterion that targets habitat loss and biodiversity decline?
What is a measurable criterion that targets habitat loss and biodiversity decline?
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Less habitat disturbance and better protection of native species. Protecting ecosystems preserves species diversity.
Less habitat disturbance and better protection of native species. Protecting ecosystems preserves species diversity.
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What is a measurable criterion that targets solid waste impacts from products and packaging?
What is a measurable criterion that targets solid waste impacts from products and packaging?
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Reduced waste sent to landfill (more reuse, recycling, composting). Diverting waste reduces landfill volume and pollution.
Reduced waste sent to landfill (more reuse, recycling, composting). Diverting waste reduces landfill volume and pollution.
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What is a measurable criterion that targets water pollution from runoff or waste?
What is a measurable criterion that targets water pollution from runoff or waste?
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Reduced contaminants entering waterways (lower pollutant load). Runoff carries pollutants into streams and lakes.
Reduced contaminants entering waterways (lower pollutant load). Runoff carries pollutants into streams and lakes.
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Which option is the better criterion: “Be eco-friendly” or “Cut electricity use by $15%$”?
Which option is the better criterion: “Be eco-friendly” or “Cut electricity use by $15%$”?
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“Cut electricity use by $15%$”. Specific, measurable criteria enable objective evaluation.
“Cut electricity use by $15%$”. Specific, measurable criteria enable objective evaluation.
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Identify whether this statement is a criterion or constraint: “Reduce landfill waste by $20%$.”
Identify whether this statement is a criterion or constraint: “Reduce landfill waste by $20%$.”
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Criterion. Waste reduction is a measurable goal to achieve.
Criterion. Waste reduction is a measurable goal to achieve.
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Identify whether this statement is a criterion or constraint: “Must cost less than $\$10{,}000$.”
Identify whether this statement is a criterion or constraint: “Must cost less than $\$10{,}000$.”
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Constraint. Cost limits are restrictions, not goals.
Constraint. Cost limits are restrictions, not goals.
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What is a common constraint related to laws and regulations in environmental decisions?
What is a common constraint related to laws and regulations in environmental decisions?
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Must meet environmental regulations and permit requirements. Legal constraints ensure solutions follow rules.
Must meet environmental regulations and permit requirements. Legal constraints ensure solutions follow rules.
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What is a common constraint related to technology or materials in environmental solutions?
What is a common constraint related to technology or materials in environmental solutions?
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Available materials, equipment, or current technology limits. Physical resources limit what solutions are feasible.
Available materials, equipment, or current technology limits. Physical resources limit what solutions are feasible.
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Identify whether this statement is a criterion or constraint: 'The solution must use only recycled materials.'
Identify whether this statement is a criterion or constraint: 'The solution must use only recycled materials.'
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Constraint. Material requirements limit solution options.
Constraint. Material requirements limit solution options.
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Which option is a constraint (not a criterion): 'must be installed in 2 days' or 'cut trash by $50%$'?
Which option is a constraint (not a criterion): 'must be installed in 2 days' or 'cut trash by $50%$'?
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Must be installed in 2 days. Time limits are constraints, not success measures.
Must be installed in 2 days. Time limits are constraints, not success measures.
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What is a stakeholder in an environmental impact reduction problem?
What is a stakeholder in an environmental impact reduction problem?
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A person or group affected by the problem or the solution. Stakeholders have interests in environmental outcomes.
A person or group affected by the problem or the solution. Stakeholders have interests in environmental outcomes.
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What is a common constraint related to safety and health in environmental solutions?
What is a common constraint related to safety and health in environmental solutions?
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Must not create unsafe conditions or health hazards. Safety constraints protect people from harm.
Must not create unsafe conditions or health hazards. Safety constraints protect people from harm.
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What is the environmental impact of a product or action in Earth science terms?
What is the environmental impact of a product or action in Earth science terms?
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A change to ecosystems, resources, or pollution caused by that action. Environmental impacts affect Earth's systems and resources.
A change to ecosystems, resources, or pollution caused by that action. Environmental impacts affect Earth's systems and resources.
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What is the difference between a qualitative and a quantitative criterion?
What is the difference between a qualitative and a quantitative criterion?
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Qualitative is descriptive; quantitative is numeric and measurable. Quantitative uses numbers; qualitative uses descriptions.
Qualitative is descriptive; quantitative is numeric and measurable. Quantitative uses numbers; qualitative uses descriptions.
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What is a quantitative criterion that directly targets air pollution?
What is a quantitative criterion that directly targets air pollution?
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Reduce emissions (for example, lower $ ext{CO}_2$ output). Measurable emission targets help track pollution reduction.
Reduce emissions (for example, lower $ ext{CO}_2$ output). Measurable emission targets help track pollution reduction.
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What is a quantitative criterion that directly targets water pollution?
What is a quantitative criterion that directly targets water pollution?
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Reduce contaminants in runoff (for example, lower nitrates). Measurable contaminant levels help protect water quality.
Reduce contaminants in runoff (for example, lower nitrates). Measurable contaminant levels help protect water quality.
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What is a quantitative criterion that directly targets solid waste impacts?
What is a quantitative criterion that directly targets solid waste impacts?
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Reduce landfill waste by mass or volume (for example, kg per week). Measurable waste reduction helps track disposal impacts.
Reduce landfill waste by mass or volume (for example, kg per week). Measurable waste reduction helps track disposal impacts.
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What is a common constraint related to economics in environmental design problems?
What is a common constraint related to economics in environmental design problems?
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Cost or budget limit. Budget limits restrict solution choices and scope.
Cost or budget limit. Budget limits restrict solution choices and scope.
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