Brainteasers & Riddles

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Scientists get to solve puzzles every day, because science and research involve finding solutions from the clues that we are given! Just like with brainteasers and riddles, the answers to science mysteries are not always easy to see at first. But with time and effort, they eventually become clear!

Before solving the hundreds of brainteasers and riddles below, why not take a look at the 3D video tour of the Brain's Inner Workings Non-NIEHS website, or visit Brain Pop's Brain Movie and Quiz Non-NIEHS website to learn more about YOUR brain!

And then have some fun with all our brainteasers and riddles below. Challenge your parents and friends too. We give you the answers for every one so you can check to see how well you did.

Brainteaser Index -- Text Only Versions

Palindromes -- Text Only
Not So Hard Riddles (Text Only)
Tuff Stuff Riddles (Text Only)
A Party of Puzzles (Minimal Graphics)
Word Games Galore
Brainteaser Quizzes (Text Only)
What's in a Name? (Text Only)
Storybook Quiz (Text Only)
Burrows and Barnyards (Text Only)
Famous American Women (Text Only)
Seashore Homonyms (Text Only)
Puzzling Proverbs
Puzzling Numbers
Numbers & Initials
The EASY Quiz
Trick
Brainteaser Links
NIEHS Kids' Pages Index

Confused about any of the riddles?

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