Learner’s bar graph should look similar to the one below:


100 120 140 160


Distance (cm)


20 40 60 80


0 Attempt 1 Attempt 2 Attempt (8) Results


Learners identify problems with their design and come up with solutions. Answers will vary, but may include: Blow more air into the balloon: the more air that’s released, the further the balloon goes. 


(3) Total: 30 ÷ 2 = 15 marks Attempt 3


133


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