Puzzles

Use your mind to solve these fun puzzles.

Sub-headings:

Knots and Splices

Resources in this category:

Brain Binders
http://www.teachnet.com/brainbinders/index.html

Lots of print-and-fold puzzles to challenge your brain.

Cryptokids from the National Security Agency
http://www.nsa.gov/kids/

What’s the difference between a code and a cipher? Learn how to make ciphers and communicate secretly with your friends. Lots of games and activities including brainteasers and cryptograms are included.

Geometry Step By Step from the Land of the Incas
http://agutie.homestead.com/

Have fun learning about geometry! There are plenty of games and puzzles to play with, as well as easy-to-follow animated graphics explaining important geometric theorems. Try out the quizzes, puzzles, and music.

Jigsaw Puzzles
http://www.crea-soft.com/online-jigsaw-puzzle/

These online jigsaw puzzles can be made easier or harder by selecting the difficulty level you want. You will need Flash loaded on your computer before you begin. This site may take a long time to load, especially if you are on a dial-up connection.

JigZone
http://www.jigzone.com/

"The place on the internet for free online jigsaw puzzles." Choose your level of difficulty. And, you can even recieve and new jigsaw puzzle by e-mail everyday.

Kids Crosswords and Other Puzzles
http://www.kidcrosswords.com/

Tons of crosswords and puzzles to print out! The site is available in Spanish too!

Mindbender Cave
http://www.worldbook.com/wb/worldbook/cybercamp/html/mindben...

"Bend your brain with mindbending puzzles."

NIEHS Kids Page--Brainteasers
http://kids.niehs.nih.gov/brain.htm

After you look at the different parts of the human brain, try the brainteasers. From puzzling numbers to palindromes to riddles, there's something here to test your brain power!

NIEHS Kids Page--Games
http://kids.niehs.nih.gov/games.htm

Find games,puzzles, and drawings for kids of all levels at this site. You can do a physics word puzzle, color in a Johnny Appleseed picture or try an environmental game like toxic waste river rafting. There's lots more, too.

NIEHS Kids Page--Word Scrambles
http://kids.niehs.nih.gov/scramble.htm

Do you like to unscramble words? Test your skills on these science-related scrambles!

Slide Puzzles
http://www.crea-soft.com/online-slide-puzzles/

These are online jigsaw puzzles solved by sliding the pieces from one spot to another using the arrow keys on your keyboard. You can make them easier or harder by choosing how many pieces to the puzzles you want. Be sure you have Flash loaded onto your computer before you begin. This site may take a long time to load, especially if you are on a dial-up connection.

Sudoku Collection For Kids
http://www.sudokucollection.com/sp/Kids_Sudokux.html

Do you like the new game Sudoku? Check out this site with printable Sudoku puzzles for kids!