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A Fun IQ Fact:
Genetics make up an estimated 40 to 80% of a person's IQ.
Despite the environmental effects on IQ, heritability still plays a bigger role in determining overall IQ.
Environmental factors can mean the loss or gain of a few points here or there, but it pales in comparison to what you're born with.
Completing a Quizfactory.com quiz is a great workout for your brain. We also hope that you will learn something new while taking one of our quizzes.
Your brain is an important organ, that you don't want to let go to waste.
With History, Seasons, Geography, Holidays, TV Shows, Movies, Video Games and more we hope that Quizfactory quizzes can help you increase your brain power and hopefully provide you with some entertainment a long the way.
