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Create a Secret Code

By Platform Administrator · Submitted Sep 30, 2026

Content Area
Science and Technology/Engineering
Grade
4

The students will be creating their own codes or ways of communicating across a distance. Their audience can be either their friends, siblings, family members or they can imagine a future employer. The choice in the audience will help students determine the direction in which their code will go. They are developing a new way to use light and sound to communicate across a distance.

MA Standards

4.ETS.1.3
Plan and carry out tests of one or more design features of a given model or prototype in which variables are controlled and failure points are considered to identify which features need to be improved. Apply the results of tests to redesign a model or prototype.* Clarification Statement: Examples of design features can include materials, size, shape, and weight.
4.ETS.1.5
Evaluate relevant design features that must be considered in building a model or prototype of a solution to a given design problem.*
4.PS.4.3
Develop and compare multiple ways to transfer information through encoding, sending, receiving, and decoding a pattern.* Clarification Statement: Examples of solutions could include drums sending coded information through sound waves, using a grid of 1s and 0s representing black and white to send information about a picture, and using Morse code to send text.

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