Bring Science Alive! Grade 4 Sample

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INVESTIGATION

Defining the Problem In this investigation, you will design and test a digital device to send two types of messages: • Words in Morse code • A black and white picture using a grid of 1s and 0s Define the problem. What are the criteria for a successful digital device? What are the constraints? Criteria:

Constraints:

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Lesson 6 How Can Patterns Be Used to Send Messages?

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