AP®︎ Environmental Science Unit 7: Notes & Study Guide

Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 7 of AP Environmental Science – Atmospheric Pollution.

Exam weight: 7–10%
8 Topics

Unit 7: Atmospheric Pollution

This unit focuses on sources and types of atmospheric pollution, including smog, acid rain, and strategies for mitigation.

Begin with Topic 7.1: Introduction to Air Pollu...

To review Unit 7, go through each of the 8 topics below.

Everything you actually need to know for your Unit 7 test, pulled directly from the AP® Environmental Science curriculum.

Topic 7.1
~6 min
Review
Introduction to Air Pollution
Introduction to Air Pollution
  • What Air Pollution Is
  • Primary and Secondary Pollutants
  • Major Pollutants, Their Sources, and Their Effects
Review
Topic 7.2
~6 min
Review
Photochemical Smog
Photochemical Smog
  • What Photochemical Smog Is
  • The Main Precursors and Products
  • How Smog Forms and Why It Peaks Later
Review
Topic 7.3
~7 min
Review
Thermal Inversion
Thermal Inversion
  • What Thermal Inversion Is
  • How Thermal Inversion Traps Pollution
  • Conditions That Form or Strengthen Inversions
Review
Topic 7.4
~7 min
Review
Atmospheric CO₂ and Particulates
Atmospheric CO₂ and Particulates
  • What Atmospheric CO₂ and Particulates Are
  • Natural Sources of Atmospheric CO₂
  • Where Natural Particulates Come From
Review
Topic 7.5
~7 min
Review
Indoor Air Pollutants
Indoor Air Pollutants
  • What Indoor Air Pollutants Are
  • Major Sources of Indoor Air Pollutants
  • Key Pollutants and Their Health Effects
Review
Topic 7.6
~7 min
Review
Reduction of Air Pollutants
Reduction of Air Pollutants
  • How Air Pollutants Are Reduced at the Source
  • Main Ways to Reduce Air Pollution
  • Pollution Control Devices and What Each One Targets
Review
Topic 7.7
~7 min
Review
Acid Rain
Acid Rain
  • What Acid Deposition Is
  • Sources and How It Forms
  • Why Acid Deposition Is a Regional Problem
Review
Topic 7.8
~7 min
Review
Noise Pollution
Noise Pollution
  • What Noise Pollution Is
  • Major Human Sources of Noise Pollution
  • Effects on Humans and Wildlife
Review

Notes

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