1. Suitability for age
Is the activity suitable for the intended age-level in terms of developmental stage, concepts involved, language required, style of the activity, etc.?
2. Clear language targets/outcomes
Are the language outcomes clear? Will a teacher be able to measure/demonstrate the success of the activity?
Does the activity actually practice/teach the language intended? Is it clear that learners will improve their language as a result?
4. Clarity of instructions
Will a teacher be able to read the description of the activity and fully understand all aspects of it?
5. Ease of preparation
How much time will it take to prepare the activity? Is the time required to prepare it proportional to the intended outcomes?
6. General applicability
How easy will it be for other teachers around the world to use the activity? Are there cultural or practical considerations that would prevent its more general use? Is it possible to use the activity in most school environments?
Is the activity original or is it a re-working of something that has already been done? If it is a re-working, are the changes made enough to improve the original considerably? Plagiarism means your idea will be rejected.
Is the activity inclusive? Will all learners be able to participate?
9. Broader aims
Does the activity encourage learners to develop positive attributes beyond the immediate language goal? e.g. Team work, creativity, sharing, critical thinking, etc.
…and last but not least…
Will the activity keep the learners engaged? Will it be fun?