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Developing “Snowledge” in Computer Science!

As the new began this week, students in Computer Science have been encouraged to recall learning from last year, using a technique called snowballing.

  • Computer Science 1
  • Computer Science 2
  • Computer Science 3
  • Computer Science 5
  • Computer Science 7
  • Computer Science 8

Students are given a blank sheet of paper and one minute to write down everything they can remember about a particular topic.  They then scrunch the paper into a ball and throw it across the classroom at a predefined target - be that a whiteboard, a fellow student or even better, the teacher! 

Students then retrieve a ‘snowball’ and repeat the exercise with someone else’s paper.  At first, some students struggle to recall details but each round brings progressively more impressive results as students see what their peers have written, the knowledge is shared and built upon.

To finish the episode, we discuss our findings with students attempting to explain the detail of each topic in their own words, in what has proven to be a really positive activity to kick off the new year. 


Robert Shepley
Computer Science Teacher