pxt-calliope/docs/lessons/buzzer.md
2016-04-13 08:27:45 -07:00

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# buzzer lesson
design a blinking image lesson #docs
## Topic
Ring
## Quick Links
* [activity](/lessons/buzzer/activity)
* [challenges](/lessons/buzzer/challenges)
## Class
Year 7
## Prior learning / place of lesson in scheme of work
Learn how to **ring** the buzzer to turn on the sound. We will be learning basic comments such as ring and clear screen.
## Documentation
* **ring** : [read more...](/reference/music/ring)
* **clear screen** : [read more...](/reference/basic/clear-screen)
* **on button pressed** : [read more...](/reference/input/on-button-pressed)
## Objectives
* learn how to ring the BBC micro:bit
* learn how to clear the screen
* learn how to run code when an input button is pressed
## Progression Pathways / Computational Thinking Framework
#### Algorithms
* Designs solutions (algorithms) that use repetition and two-way selection, ie if, then and else.(AL)
* Uses diagrams to express solutions.(AB)
* Uses logical reasoning to predict outputs, showing an awareness of inputs (AL)
* Recognises that different algorithms exist for the same problem (AL) (GE)
* Represents solutions using a structured notation (AL) (AB)
#### Programming & Development
* Creates programs that implement algorithms to achieve given goals (AL)
* Selects the appropriate data types(AL) (AB
#### Data & Data Representation
* Understands the difference between data and information(AB)
#### Hardware & Processing
* Understands the difference between hardware and application software, and their roles within a computer system (AB)
#### Communication Networks
* Demonstrates responsible use of technologies and online services, and knows a range of ways to report concerns (AL)
#### Information Technology
* Collects, organizes, and presents data and information in digital content (AB)
* Makes appropriate improvements to solutions based on feedback received, and can comment on the success of the solution (EV)
Computational Thinking Concept: AB = Abstraction; DE = Decomposition; AL = Algorithmic Thinking; EV = Evaluation; GE = Generalisation
## Activity
* time: 20 min.
* [activity](/lessons/buzzer/activity)
## Extended Activity
* time: 20 min.
* [challenges](/lessons/buzzer/challenges)
## Homework
* Extended Activity: [challenges](/lessons/buzzer/challenges)