94 lines
3.3 KiB
Markdown
94 lines
3.3 KiB
Markdown
# flashing heart lesson
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Learn how to create LED images with a global variable.
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### @video td/videos/flashing-heart-0
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## Topic
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Pause
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## Quick links
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* [activity](/microbit/lessons/flashing-heart/activity)
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* [quiz](/microbit/lessons/flashing-heart/quiz)
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* [quiz answers](/microbit/lessons/flashing-heart/quiz-answers)
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* [challenges](/microbit/lessons/flashing-heart/challenges)
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* [tutorial](/microbit/lessons/flashing-heart/tutorial)
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## Class
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Year 7
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## Prior learning/place of lesson in scheme of work
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Learn how to **plot image** by turning on a series of LED lights on the LED screen. We will be learning how to create a blinking app using a forever loop as well as simple commands, such as plot image, pause, and clear screen.
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## What the teacher needs to know / QuickStart Computing Glossary
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**Program:** A stored set of instructions encoded in a language understood by the computer that does some form of computation, processing input and/or stored data to generate output.**
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**Algorithm:** An unambiguous set of rules or a precise step-by-step guide to solve a problem or achieve a particular objective. The guided tutorial follows a algorithm and is a precise step-by-step guide to solve a problem**
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**Loop:** A block of code repeated automatically under the program’s control. ** The blink program introduces Forever. Forever will repeats code in the background forever.
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**Command:** An instruction for the computer to execute, written in a particular programming language.**
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## Documentation
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* **forever**: [read more...](/microbit/reference/basic/forever)
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* **plot image** : [read more...](/microbit/reference/led/plot-image)
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* **pause**: [read more...](/microbit/reference/basic/pause)
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* **clear screen**: [read more...](/microbit/reference/basic/clear-screen)
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## Objectives
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* learn how to repeat code in the background forever
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* learn how to turn on a series of LED lights on the LED screen
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* learn how to pause your code for the specified number of milliseconds
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* learn how to turn off all the LED lights on the LED screen
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## Progression Pathways / Computational Thinking Framework
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#### Algorithms
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* Understands that iteration is the repetition of a process such as a loop. (AL)
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* Represents solutions using a structured notation. (AL) (AB)
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#### Programming & Development
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* Creates programs that implement algorithms to achieve given goals. (AL)
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* Declares and assigns variables.(AB)
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#### Data & Data Representation
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* Understands the difference between data and information. (AB)
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* Defines data types: real numbers and Boolean. (AB)
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#### Information Technology
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* Collects, organises and presents data and information in digital content. (AB)
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* Makes appropriate improvements to solutions based on feedback received, and can comment on the success of the solution. (EV)
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Computational Thinking Concept: AB = Abstraction; DE = Decomposition; AL = Algorithmic Thinking; EV = Evaluation; GE = Generalisation
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## Exercise
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* time: 20 min.
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* [activity](/microbit/lessons/flashing-heart/activity) or [tutorial](/microbit/lessons/flashing-heart/tutorial)
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* [quiz](/microbit/lessons/flashing-heart/quiz)
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## Extended Activity
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* time: 20 min.
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* [challenges](/microbit/lessons/flashing-heart/challenges)
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## Homework
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* Extended Activity: [challenges](/microbit/lessons/flashing-heart/challenges)
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## Intended follow on
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Publish script to the classroom.
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