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In Search of Solutions: A birthday cake candle timer

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In Search of Solutions: Burning candles lose mass, use this knowledge to make a timer. Linking to topics on combustion and friction.

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A birthday cake candle timer
PDF, Size 72.91 kb
Index and background
PDF, Size 65.81 kb

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Level

11-14 years

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Category

Specification

Republic of Ireland
- Junior Cycle
  - Science
    - The nature of science
      - Investigating science
        3. Design, plan and conduct investigations; explain how reliability, accuracy, precision, fairness, safety, ethics, and the selection of suitable equipment have been considered.
        5. Review and reflect on the skills and thinking used in carrying out investigations, and apply their learning and skills to solving problems in unfamiliar contexts.
    - Chemical world
      - Building blocks
        1. Investigate whether mass is unchanged when chemical and physical changes take place.
        2. Develop and use models to describe the nature of matter; demonstrate how they provide a simple way to to account for the conservation of mass, changes of state, physical change, chemical change, mixtures, and their separation.

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