Curriculum
Science — Second Preparatory
Unit 1: Matter and Energy
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Unit 2: Matter and Chemical Reactions
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Unit 3: Energy Flow in Photosynthesis and Respiration
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Unit 4: Geological Processes
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Text lesson
Internal Energy and Temperature
Internal Energy and Temperature
Lesson summary
Lesson summary
- Internal energy is the total kinetic and potential energy of the particles of a substance.
- Temperature measures the average kinetic energy of the particles and does not depend on the mass.
- Specific heat capacity is the heat needed to raise the temperature of 1 kg of a substance by 1 °C.
- Heat is calculated from Q = m × c × ΔT.
- T (K) = t (°C) + 273.
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