9 correct out of 10! I missed # 5. I thought it was iron.

9/10 Forgot about the telescope though

I can't believe I messed up on #10. Great quiz. 9/10

That was an interesting quiz.

I got an A+, I love these kinds of quizzes! Keep them coming!

9/10. should have followed my instincts about the telescope question. Good Quiz!

8/10. alway's knew i'd never make a good rocket scientist, hehe...

that was hard!1

9/10 I knew it was zinc but I couldn't think of the answer it made me mad good quiz though

Its quite ok. it's still good that i can recall what i have studied during my younger years.

9/10. Didn't know the brass one. I couldn't even think of a four letter metal, which is kind of pathetic.

9/10

b+ not bad..

got a B-.... great quiz

still missing by one

10/10

good quiz

I'm OK with a B- ... Thanx for the quiz

i got a B, good quiz!

9/10. Great quiz. Lots of fun. Forgot about Galileo. I disagree with explanation to #4 - earth is not "millions of years" old as most believe, but that is a deep theological issue that i won't go into here. Good job!!!!!