AP Environmental Science Review Guide _ Study Notes, Practice Questions
Page 1 of
& Exam
47 Prep 2026_2027.pdf Page 1
AP Environmental Science Review
Guide | Study Notes, Practice
Questions & Exam Prep 2026/2027
AP Environmental Science
AP Environmental
Review GuideScience
_ StudyReview
Notes, Practice
Guide _ Study
Questions
Notes,
& Exam
Practice
Prep
Questions
2026_2027
& Exam Prep 2026_2027.pdf 1 of 47
,AP Environmental Science Review.pdf Page 2 of 47 Page 2
First Law of Thermodynamics
Energy is neither created nor destroyed, but may be converted from one form to another.
El Niño (ENSO)
prevailing winds in the Pacific weaken and change direction every few years which results in
above average warming of eastern Pacific waters, which changes distribution of plant
nutrients and alters earth's weather for 2-3 years
Reason for seasons on Earth
Tilt of the axis ~23.5°
AP Environmental Science Review AP Environmental Science Review.pdf 2 of 47
,AP Environmental Science Review.pdf Page 3 of 47 Page 3
Second Law of Thermodynamics
When energy is changed from one form to another, some useful energy is always degraded
into lower quality energy (usually heat).
Nuclear Fission
nuclei of isotopes split apart when struck by neutrons.
Leaching
removal of dissolved materials from soil by water moving downwards through soil.
AP Environmental Science Review AP Environmental Science Review.pdf 3 of 47
, AP Environmental Science Review.pdf Page 4 of 47 Page 4
Soil Conservation Methods
conservation tillage, crop rotation, contour plowing, organic fertilizers.
Soil Salinization
in arid regions, water evaporates leaving salts behind. (ex. Fertile crescent, southwestern US)
Hydrologic Cycle Components
evaporation, transpiration, runoff, condensation, precipitation, and infiltration.
Watershed
all of the land that drains into a body of water
AP Environmental Science Review AP Environmental Science Review.pdf 4 of 47
Page 1 of
& Exam
47 Prep 2026_2027.pdf Page 1
AP Environmental Science Review
Guide | Study Notes, Practice
Questions & Exam Prep 2026/2027
AP Environmental Science
AP Environmental
Review GuideScience
_ StudyReview
Notes, Practice
Guide _ Study
Questions
Notes,
& Exam
Practice
Prep
Questions
2026_2027
& Exam Prep 2026_2027.pdf 1 of 47
,AP Environmental Science Review.pdf Page 2 of 47 Page 2
First Law of Thermodynamics
Energy is neither created nor destroyed, but may be converted from one form to another.
El Niño (ENSO)
prevailing winds in the Pacific weaken and change direction every few years which results in
above average warming of eastern Pacific waters, which changes distribution of plant
nutrients and alters earth's weather for 2-3 years
Reason for seasons on Earth
Tilt of the axis ~23.5°
AP Environmental Science Review AP Environmental Science Review.pdf 2 of 47
,AP Environmental Science Review.pdf Page 3 of 47 Page 3
Second Law of Thermodynamics
When energy is changed from one form to another, some useful energy is always degraded
into lower quality energy (usually heat).
Nuclear Fission
nuclei of isotopes split apart when struck by neutrons.
Leaching
removal of dissolved materials from soil by water moving downwards through soil.
AP Environmental Science Review AP Environmental Science Review.pdf 3 of 47
, AP Environmental Science Review.pdf Page 4 of 47 Page 4
Soil Conservation Methods
conservation tillage, crop rotation, contour plowing, organic fertilizers.
Soil Salinization
in arid regions, water evaporates leaving salts behind. (ex. Fertile crescent, southwestern US)
Hydrologic Cycle Components
evaporation, transpiration, runoff, condensation, precipitation, and infiltration.
Watershed
all of the land that drains into a body of water
AP Environmental Science Review AP Environmental Science Review.pdf 4 of 47
