Book excerpt: AP Environmental Science Crash Course - Gets You a Higher Advanced Placement Score in Less Time Crash Course is perfect for the time-crunched student, the last-minute studier, or anyone who wants a refresher on the subject. AP Environmental Science Crash Course gives you: Targeted, Focused Review – Study Only What You Need to Know The Crash Course is based on an in-depth analysis of the Advanced Placement Environmental Science course description outline and actual AP test questions. It covers only the information tested on the exam, so you can make the most of your valuable study time. Our easy-to-read format covers: human population dynamics, energy conservation, changes in Earth's climate, species extinction, and more. The author includes must-know key terms and basic math and science concepts all AP students should know before test day. Expert Test-taking Strategies An AP Environmental Science teacher shares detailed question-level strategies and explains the best way to answer the multiple-choice and free-response questions you'll encounter on test day. By following the expert tips and advice, you can boost your overall point score. Take REA's Online Practice Exam After studying the material in the Crash Course, go online and test what you've learned. Our practice exam features timed testing, diagnostic feedback, detailed explanations of answers, and automatic scoring analysis. The exam is balanced to include every topic and type of question found on the actual AP exam, so you know you're studying the smart way. Whether you're cramming for the test at the last minute, looking for extra review, or want to study on your own in preparation for the exam – this is one study guide every AP Environmental Science student must have.