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AP Exams · Environmental Science · Data and Solutions

AP Environmental Science Practice Test

Build AP Environmental Science readiness with original ecosystem, population, resource, pollution, climate, data, and solution questions.

AP Environmental Science practice sets

This page provides one canonical AP Environmental Science practice hub with five short sets of 10 original questions each. The sets cover ecosystems, biodiversity, populations, Earth systems, land and water use, energy, atmospheric and aquatic pollution, global change, quantitative data, investigations, and environmental solutions.

Skills covered

  • Explain environmental concepts and processes
  • Analyze data, visual representations, maps, models, and written sources
  • Apply quantitative methods and environmental calculations
  • Design or evaluate an investigation and identify variables and evidence
  • Propose a solution to an environmental problem and justify trade-offs

AP Environmental Science course and exam scope

College Board organizes AP Environmental Science into nine units: ecosystems, biodiversity, populations, Earth systems and resources, land and water use, energy resources and consumption, atmospheric pollution, aquatic and terrestrial pollution, and global change.

College Board’s current exam page describes a fully digital Bluebook exam with individual and set-based multiple-choice questions and free-response tasks involving investigation design, quantitative data, calculations, and environmental solutions. Current calculator and reference-information rules can change, so verify them before test day.

How to use this page

Start with one untimed set to identify a topic gap, then use timed sets to build pacing. For every missed item, identify the scale, units, environmental mechanism, and evidence before solving a new similar problem.

These questions are original supplemental practice. They are not official College Board questions, secure AP Exam content, AP Classroom assignments, a score predictor, or a substitute for current AP policies and course materials.

For current scope and preparation, review the AP Environmental Science course page, the AP Central course overview, the AP Environmental Science exam page, the AP Environmental Science Course and Exam Description, and the AP calculator policy.

For more study options, visit AP Exam Tests or explore AP Biology Practice, AP Chemistry Practice, High School Course Tests, and Pomodoro.

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AP Environmental Science Practice Questions

A 10-question AP Environmental Science practice set on ap environmental science: earth systems, land and water use, and energy, with answers and explanations.

Read the environmental scenario, map, graph, calculation, or investigation carefully. Choose the best answer and review the explanation after each response.

10 Questions
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C 0I 0U 10
1. QuestionMultiple choice

What is a watershed?

Please select an answer first.

Correct answer: C

The correct answer is An area of land that drains water to a common outlet.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Runoff from a watershed flows toward a shared water body or outlet.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Runoff from a watershed flows toward a shared water body or outlet.

2. QuestionMultiple choice

What is a major effect of soil erosion?

Please select an answer first.

Correct answer: D

The correct answer is Loss of fertile topsoil and increased sediment in waterways.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Erosion can remove nutrient-rich topsoil and transport sediment.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Erosion can remove nutrient-rich topsoil and transport sediment.

3. QuestionMultiple choice

What does irrigation do?

Please select an answer first.

Correct answer: A

The correct answer is Supplies water to crops.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Irrigation adds water when precipitation is insufficient.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Irrigation adds water when precipitation is insufficient.

4. QuestionMultiple choice

What is the tragedy of the commons?

Please select an answer first.

Correct answer: B

The correct answer is Shared resources can be overused when individuals act in self-interest.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Without effective management, open-access resources may be depleted.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Without effective management, open-access resources may be depleted.

5. QuestionMultiple choice

Which is a renewable energy source?

Please select an answer first.

Correct answer: C

The correct answer is Solar energy.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Solar energy is replenished on a human timescale.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Solar energy is replenished on a human timescale.

6. QuestionMultiple choice

What does energy efficiency mean?

Please select an answer first.

Correct answer: D

The correct answer is Providing the same service with less energy input.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Efficiency reduces energy input required for a given useful output.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Efficiency reduces energy input required for a given useful output.

7. QuestionMultiple choice

What is a benefit of crop rotation?

Please select an answer first.

Correct answer: A

The correct answer is It can reduce soil nutrient depletion and some pest pressure.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Rotating crops can diversify nutrient demands and interrupt pest cycles.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Rotating crops can diversify nutrient demands and interrupt pest cycles.

8. QuestionMultiple choice

What is aquaculture?

Please select an answer first.

Correct answer: B

The correct answer is The farming of aquatic organisms.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Aquaculture produces fish, shellfish, or aquatic plants under managed conditions.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Aquaculture produces fish, shellfish, or aquatic plants under managed conditions.

9. QuestionMultiple choice

What is a key environmental concern associated with mining?

Please select an answer first.

Correct answer: C

The correct answer is Habitat disturbance, erosion, and possible water contamination.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Mining can alter land and expose contaminants or waste materials.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Mining can alter land and expose contaminants or waste materials.

10. QuestionMultiple choice

What is a carbon sink?

Please select an answer first.

Correct answer: D

The correct answer is A reservoir that absorbs more carbon than it releases over a period.

  1. Identify the environmental system: Determine whether the AP Environmental Science practice prompt concerns ecosystems, populations, resources, pollution, climate, or a solution.
  2. Apply the concept: Forests, soils, and oceans can act as carbon sinks under certain conditions.
  3. Connect evidence and scale: Check the units, trend, environmental mechanism, and scale before stating a conclusion.

Forests, soils, and oceans can act as carbon sinks under certain conditions.

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Frequently asked questions about AP Environmental Science Practice Tests

What topics are included on this AP Environmental Science practice page?

The page covers ecosystems, biodiversity, populations, Earth systems, land and water use, energy, pollution, global change, data, investigations, and environmental solutions.

Are these official College Board questions?

No. These are original supplemental questions. Use AP Classroom, Bluebook previews, AP Central, and current College Board course materials for official preparation.

Is the AP Environmental Science exam digital?

College Board’s current exam page describes a fully digital exam in Bluebook, but students should verify current administration details before test day.

Can I use a calculator on AP Environmental Science?

Calculators are permitted under current College Board policy, but students should check the latest approved-device and 2027 restrictions.

How should I answer an environmental solution question?

Name a feasible intervention, explain the mechanism, use evidence or calculations, and address relevant trade-offs or unintended effects.