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Nature Secret Codes

6 free printable nature secret codes for kids. Crack a picture code, a letter swap or a real cryptogram to read a joke, a riddle or a fun fact.

Easy

Ocean Picture Code: Fish Money
Where do fish keep their money? Use the picture key to decode the answer.
Picture Code · 12 lettersPrint
Ocean Picture Code: Sideways Walker
I walk sideways and I have two pinchers. What am I? Use the picture key to decode the answer.
Picture Code · 5 lettersPrint

Challenge

Ocean Secret Code: Octopus Hearts
How many hearts does an octopus have? Use the letter key to decode the answer.
Secret Code · 23 lettersPrint
Ocean Secret Code: Whale Crossing
Why did the whale cross the ocean? Use the letter key to decode the answer.
Secret Code · 19 lettersPrint

Expert

Ocean Cryptogram: Blue Whale
What is the biggest animal that ever lived? Crack the code with 3 letters given.
Cryptogram · 59 lettersPrint
Ocean Cryptogram: Sea Star Arms
What happens when a sea star loses an arm? Crack the code with 2 letters given.
Cryptogram · 63 lettersPrint

All Secret Codes