Which colour of solar panel is best at absorbing energy? Lesson aim : to plan and conduct an experiment to compare solar panels of different colours Black Silver White

Lesson outcomes: By the end of the lesson you should have made and explained a prediction identified key variables and planned a fair test designed an appropriate table to record results decided if evidence supports your prediction Taken account of the risks involved when conducting the investigation

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Comparing Solar Panels Your task: Which colour of solar panel is best at absorbing energy? Writing your report You need to include the following in your report: Prediction Which will be the best and why do they think this? Labelled diagram Draw a labelled diagram to show how you used the apparatus. Fair test What is kept the same to give a fair test? Results table Design a table to record all the information needed to show your results clearly. Conclusion What do your results show? Was your prediction correct?

Consider the following: Which will be best? Identify key variables: Volume of water, time of exposure to lamp, distance from lamp. Identify what needs to be recorded in table: Colour of panel, starting temperature, finishing temperature, temperature change. Risk assessment. The lamps will get very hot.

In groups of 3/4 set up the experiment and record initial water temperatures. While the experiment runs you should start the report When you have recorded your final temperature , pack your practical equipment away and finish your report

Which colour of solar panel is best at absorbing energy? Have you? made and explained a prediction identified key variables and planned a fair test designed an appropriate table to record results decided if evidence supports your prediction taken account of the risks involved when conducting the investigation Could you improve your investigation?