Comprehension
The key word in the question "Explain why teenagers need extra nutrients to support their adolescent growth spurts" is "Explain". The word explain is used for comprehension thinking skills. Other key words for comprehension questions are classify, describe, discuss, predict and review. Key words for application are apply, determine, modify, operate, and solve. Key words for analysis are analyze, classify, dissect, divide, illustrate, and questions. Key words for synthesis are construct, modify, reconstruct, and speculate. Key words for evaluation are assess, decide, interpret, and revise.