I like quizzes. This saw blade quiz from ToolsToday was fun. On the first time through I only got 70%. Much easier the second time ;)
Cutting Saw Blade quiz
Here are some previous quizzes that we created for ToolCrib.com:
Quiz: Could Your Workshop Withstand a Zombie Attack?
Quiz: Are You a Cheapskate Woodworker??!!
Quiz: Get in Touch with Your Inner Power Tool??!!