The Six thinking levels based on Blooms Taxonomy.

 1. Knowledge: Recognizing and remembering previously learned information, recalling facts, terms and basic concepts
Directive words: Define, label, state, list, match, write, recall, name, underline, repeat, choose, record, mark, identify, recognize.
2. Comprehension: Demonstrating an understanding of the meaning of facts, terms and basic concepts.
Directive words: Describe, rephrase, discuss, explain, locate...
3.Application: Solving problems by applying acquired knowledge, facts, and techniques in a different situation.
Directive words: Apply, use, demonstrate, illustrate, chart, solve, operate practice...
4.Analysis: Breaking complex ideas or information apart to examine various components.
Directive words:

Distinguish, discriminate, analysis,compare, contrast, diagram...
5. Synthesis: Compiling information or combing elements in a different way to form a new idea, pattern, or creation.
Directive word: Create, design, plan, organize, generate, develop, propose...
6. Evaluation: Making judgments about information based on specific criteria( worth, validity, accuracy, relevance, etc..)
Directive words: Appraise, critique, judge, weigh, evaluate, select, rate, evidence...