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About this Quiz

A Greek word for “fire” is associated with the rocks that change due to pressure, temperature or hot fluids. Test and see how much you know about this kind of rock and other 8th grade science facts.

This quiz was expert-written by Pamela Ferdinand. Pamela is a longtime journalist and author who has written about everything from science and politics to books and travel. She has covered hurricanes and plane crashes, elections and terrorism. She has her Bachelor’s in Political Science and Master’s in Journalism and is currently working on a book.

How to play

Research has shown that the best way to exercise your mind is by learning something new. Our extensive library of quizzes are packed full of knowledge provided by industry experts who’ve undergone a strict vetting process.

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By completing every quiz in a “quiz pack” and earning a 70% or more on the final review, you’ll become a Master of that topic. The more quizzes you take, the more topics you’ll master - all while earning points, bragging rights amongst your friends and valuable exercise for a healthy mind.

About Quiz Griz

QuizGriz enables knowledge-seekers to experience a community of like-minded people that are focused on exercising their mind while mastering interest-based topics.

Think of QuizGriz as a personal trainer for your mind. Not the kind that screams at you and tells you to take it easy on the donuts - we love and support donut consumption. This of us as the kind that guides and motivates you to become the master of your own destiny.

Let’s be honest, all the clickbait and fake news out there is exhausting! It clutters our minds and clouds our focus making it nearly impossible to get anything done - and that got us thinking. Isn’t there something better we could be doing with our time? So we set out to build an educational platform that’s dedicated to helping you learn something new everyday. Something productive, exciting and worth sharing with your friends, like donuts. Only… donuts can be very hard to share.

We’re creating a new brand of quizzes that are written, reviewed, and approved by top minds in the industry - ensuring ach quiz you take is packed full of educational value. We encourage you to embark on this adventure with us by supporting our mission to help our community learn something new every day.

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