You got 23 out of 23!

It may have been a while since we left school, but that doesn't mean we should forget the things we learned back then. How much of the knowledge you acquired in high school Science have you retained after all these years? Have you got a high school graduate-level of Science knowledge, or do you need to go back to school? The truth is that we could all use a quick brushing up. So now here's your chance to challenge the science genius in you and test your knowledge.

To do well on this science quiz, you have to be the kind of person who can retain large amounts of information about a plethora of subjects. The wide range of questions covering many different science areas, from astronomy and biology to chemistry and physics will have you scratching your head for answers! If you can score at least 75 percent on this basic science quiz then you can rest assured that you don't have to return to school.