A2 Storing heat (teacher instructions)
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Experimentation instructions for Experimento | 10+:
Background information on the content and practical information on conducting the experiment "We store heat – From heat store to molten salt". This experiment comprises four subexperiments.
English, Spanish (CREA), German
2018-11-20
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Enough apparatus and materials are supplied to allow eight groups of students to conduct the ex-periments simultaneously. When all the subexperiments are conducted in the suggested se-quence, they form a basis for a learning unit on heat, heat storage, temperature, phase transition (states of matter), heat of fusion, and latent heat. These instructions provide explanatory notes and ideas for further study.
The experiment comprises four subexperiments:
• Water as a heat store – Not only the tea gets cold
• Water as an effective heat store – Water can stay hot longer if …
• Heat for cold fingers – Is the heat pack a heat store?
• How the heat pack stores heat – A salt that changes between solid and liquid states
Notes:
• Observe the safety information in the instructions as well as the applicable safety guidelines for your school.
• All materials mentioned in the instructions will have to be purchased directly from commercial sources.
The experiment comprises four subexperiments:
• Water as a heat store – Not only the tea gets cold
• Water as an effective heat store – Water can stay hot longer if …
• Heat for cold fingers – Is the heat pack a heat store?
• How the heat pack stores heat – A salt that changes between solid and liquid states
Notes:
• Observe the safety information in the instructions as well as the applicable safety guidelines for your school.
• All materials mentioned in the instructions will have to be purchased directly from commercial sources.
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Experiment
Chemistry; Physics; Technology
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school
Energy; Heat; State of aggregation
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