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pxt-calliope/docs/lessons/snowflake-fall.md
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snowflake fall blocks lesson

design a blinking rectangle animation #animation #loop #forever #docs

@video td/videos/snowflake-fall-0

Topic

Forever

Quick Links

Class

Year 7

Prior learning/place of lesson in scheme of work

Learn how to show LEDs with a, pause to pause program execution for a specified amount of milliseconds. We will be learning how to show images using forever loop as well as simple commands, such as pause and show LEDs.

What the teacher needs to know/QuickStart Computing Glossary

  • Algorithm: An unambiguous set of rules or a precise step-bystep guide to solve a problem or achieve a particular objective.
  • Command: An instruction for the computer to execute, written in a particular programming language.
  • Hardware: The physical systems and components of digital devices; see also software.
  • Programmable toys: Robots designed for children to use, accepting input, storing short sequences of simple instructions and moving according to this stored program.
  • 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.
  • Simulation: Using a computer to model the state and behaviour of real-world (or imaginary) systems, including physical or social systems; an integral part of most computer games.

Documentation

Resources

Objectives

  • learn how to show an image on the LED screen
  • learn how to pause a program for a specified amount of time in milliseconds
  • learn how to repeat code in the background forever

Progression Pathways / Computational Thinking Framework

Algorithms

  • Uses diagrams to express solutions.(AB)
  • Represents solutions using a structured notation (AL) (AB)
  • Can identify similarities and differences in situations and can use these to solve problems (pattern recognition)(GE)

Programming & Development

  • Creates programs that implement algorithms to achieve given goals (AL)

Communication Networks

  • Demonstrates responsible use of technologies and online services, and knows a range of ways to report concerns Understands how search engines rank search results (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

Extended Activity

Homework