AP Environmental Science Midterm Review 2026/2027 – Study Guide, Practice Questions & Exam Prep

AP Environmental Science Midterm Review _ Study Guide, Practice Questions
Page 1 of 50
& Exam Prep 2026_2027.pdf Page 1




AP Environmental Science Midterm
Review | Study Guide, Practice
Questions & Exam Prep 2026/2027




AP Environmental Science
AP Environmental
Midterm Review
Science
_ Study
Midterm
Guide,
Review
Practice
_ Study
Questions
Guide,& Practice
Exam PrepQuestions
2026_2027
& Exam Prep 2026_2027.pdf 1 of 50

,AP Environmental Science MIDTERM Review.pdf Page 2 of 50 Page 2




First Law of Thermodynamics


Energy is neither created nor destroyed, but may be converted from one form to another.


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).


Hydrologic Cycle Components


evaporation, transpiration, runoff, condensation, precipitation, and infiltration.




AP Environmental Science MIDTERM Review AP Environmental Science MIDTERM Review.pdf 2 of 50

,AP Environmental Science MIDTERM Review.pdf Page 3 of 50 Page 3




Watershed


all of the land that drains into a body of water




Aquifer


any water-bearing layer in the ground.




AP Environmental Science MIDTERM Review AP Environmental Science MIDTERM Review.pdf 3 of 50

, AP Environmental Science MIDTERM Review.pdf Page 4 of 50 Page 4




La Nina


Easterly trade winds and ocean currents pool warm water in the western Pacific, allowing
upwelling of nutrient rich water off the West coast of South America.




Nitrogen Fixation


because atmospheric N cannot be used directly by plants, it must first be converted into
ammonia by bacteria.


Ammonification


decomposers covert organic waste into ammonia.



AP Environmental Science MIDTERM Review AP Environmental Science MIDTERM Review.pdf 4 of 50