How much do you know about car engines?
by J. Reinoehl

Car engines need gasoline, just like you need food. It's science! But in this quiz, we’re going to take things to the extreme and test your knowledge about engine facts that you probably don’t know. Do you feel challenged yet? Good, you should. 

The internal combustion engine is one of the great marvels of the modern world. As with any remarkable innovation or invention, it has a history, and the facts really do boggle the mind. When you’re done with this quiz, you’re going to listen to the hum of that engine in that car of yours with a whole new kind of awe and respect.

And let’s be honest, truly knowing the facts about what lies under the hood is important. For instance, did you know that the principle behind any reciprocating internal combustion engine is to put a tiny amount of high-energy fuel in a small space and ignite it, thus releasing an incredible amount of energy in the form of expanding gas? The energy that is released from an engine is enough to propel a potato 500 feet. And, that potato might just hurt someone...just saying.

Were you aware that the four-stroke combustion engine is also known as the _____ cycle? Named after Nikolaus _____ who invented it in 1867? You’re salivating now, aren’t you? Let’s get started.

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About Zoo

Our goal at Zoo.com is to keep you entertained in this crazy life we all live.

We want you to look inward and explore new and interesting things about yourself. We want you to look outward and marvel at the world around you. We want you to laugh at past memories that helped shape the person you’ve become. We want to dream with you about all your future holds. Our hope is our quizzes and articles inspire you to do just that.

Life is a zoo! Embrace it on Zoo.com.