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    In this activity, students use thermometers inside water-filled soda bottles to investigate how dark and light colours affect heat absorption.

    By the end of this activity, students should be able to:

    • use a thermometer correctly
    • explain the difference between temperature and heat
    • explain that darker coloured objects are good absorbers of light energy and heat up faster than lighter coloured objects, which are poorer absorbers of light energy
    • decide whether it is better to wear a black T-shirt or a white T-shirt on a hot sunny day.

    Download the Word file (see link below) for:

    • introduction/background notes
    • what you need
    • what to do
    • discussion questions
    • student handout.
      Published 10 June 2008, Updated 8 June 2014 Referencing Hub articles