Curated OER
Science Secret Decoder Activity
Can your learners solve this puzzle? There are 15 scrambled words, and your science start must use the key to decode each unknown word. Note: They must use the second row to search the letter they desire. For example, in number 11, the...
Curated OER
Secret Writing Devices
Elementary and middle schoolers explore the world of secret writing, otherwise known as cryptography. After an interesting introduction to the activity, learners utilize a decoder badge which uses the St. Cyr cipher - which is a cipher...
Curated OER
Parts of Speech Secret Decoder Puzzle
In this parts of speech secret decoder puzzle worksheet, 4th graders use the decoder key to solve fifteen words that are parts of speech.
Curated OER
Secret Messages
Students research Egyptian hieroglyphics and how the Rosetta Stone makes it possible to decode ancient writings. They then develop their own picture symbol codes and write messages using picture symbols instead of letters. They then use...
John F. Kennedy Center
Harriet Tubman: Secret Messages Through Song
A lesson all about Harriet Tubman and the Underground Railroad introduces scholars to African American spirituals. By way of reading, speaking, and listening, learners discover, analyze, and decode African American spirituals. They...
Exploratorium
Secret Codon - Write a Message in DNA
String up a message. Pupils string together colored beads to code a word or short phrase. Each color represents one of the four DNA bases. Using a combination of three bases, learners create an amino acid that stand for each letter of...
Curated OER
Farm Secret Decoder Worksheet
For this farm vocabulary worksheet, students use the key to decode a riddle about worker bees and honey. Students fill in each blank with the letter that matches each number in the word puzzle.
Curated OER
Recycling Secret Decoder Worksheet
In this recycling vocabulary activity, 4th graders complete 15 fill in the blanks. For each blank, students must use a key to decode the word. Each word relates to recycling and recyclable materials.
Curated OER
Secret Code Short E Words
In this short E word worksheet, students use the secret code box to decode a number puzzle and make a short E word. Students then draw a picture of the word. There are four words to decode.
Curated OER
Secret Messages and Matrices
Students use matrices and linear equations to decrypt a secret message. They receive a part of the encoded message to decode by means of inverse matrices. Pupils write critiques about the activity.
Curated OER
Thanksgiving Secret Message Puzzle
In this Thanksgiving secret message instructional activity, students use a picture/symbol key given at the bottom of the page to decode a Thanksgiving message. A reference web site is given for additional activities.
Curated OER
Which Colored Filter Will Decode a Secret Message?
Students investigate how to create secrete messages through filters. They view pictures with red and green filters and discuss what they observe. They select the color filter that works best to read secret messages. They view pictures...
Curated OER
Fall Secret Message Decoder Puzzle
For this decoding worksheet, students decode a puzzle which makes fall pictures equal a letter. Students decode 13 letters to solve the puzzle.
Curated OER
Math Vocabulary Secret Decoder Worksheet
In this math vocabulary learning exercise, students match the letters to other letters to solve the vocabulary words. Students complete 15 math vocabulary words.
Curated OER
Plants Secret Decoder Worksheet
In this plants worksheet, students solve the vocabulary words by finding the letters that equal other letters according to the key. Students solve 15 problems.
Curated OER
Shh...It's a Secret!
Students explore codes, decode secret messages, and create codes of their own to use with their friends. They examine the use of gestures, letters, symbols and numbers in codes.
Curated OER
Fire Safety Secret Decoder
In this fire safety worksheet, students use a letter decoder key to determine 15 fire safety related words. A reference web site is included for additional activities.
Curated OER
Wild Weather Secret Decoder Activity
In this wild weather puzzle worksheet, students use a key at the top of the page to decode a set of 15 wild weather words. A reference web site is given for additional activities.
Curated OER
John Glenn Secret Message
In this John Glenn worksheet, students reveal a secret message by decoding the symbols to spell out the secret message. Students utilize the alphabet key to decode the message.
Code.org
The Need for Encryption
Scholars investigate the need for encryption as they read a portion of the book Blown to Bits and discuss encryption techniques. They finish by attempting to decode a message written using a Caesar cipher.
Curated OER
Decoding Nazi Secrets
Learners practice decoding messages given the key. They continue to practice solving messages without a key. They must determine the best way to view the message. They examine secret messages during World War II.
Curated OER
Secret Pseudo-Protein Code
In this protein code worksheet, students are given a table of "Secret Pseudo-Protein Codes". They use the table to decode a DNA sequence and then encode an RNA sequence. They answer questions about the Secret Pseudo-Protein code.
Curated OER
Flow Chart Secret Code: What Should You Call A Cow That Lives in Alaska?
In this math code instructional activity, students solve 10 multi-step problems using all math operations. Students start with the given number and perform each step in a flow chart format. Students take their total answer and decode the...
Choose My Plate
MyPlate Word Scramble
Discover a variety of ways to eat and cook whole grains with a word scramble and secret code worksheet. Class members uncover seven whole grain options before using a number system to decode a secret message.