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Anjali and Timoteo reviewed thermal physics concepts, including internal energy, specific heat capacity, melting, and boiling. Timoteo will take a test on motion, mass, and weight in the next few days, and Anjali will provide past year papers for practice. The next session will continue with solidification and evaporation.

Anjali and Timoteo reviewed thermal physics concepts, focusing on changes of state (melting, boiling, evaporation, condensation, solidification). They emphasized that during phase transitions, temperature remains constant as energy is used to overcome intermolecular forces and change potential energy, not kinetic energy. Boiling requires more energy than melting due to the complete separation of molecules. Evaporation, unlike boiling, occurs at the surface of a liquid at any temperature and causes cooling. The next lesson will delve deeper into evaporation.

Anjali taught Timoteo about internal energy and specific heat capacity. Internal energy is the total energy of a system's particles, while specific heat capacity is the energy needed to raise 1 kg of a substance by 1°C. They discussed the formula ΔE = mcΔθ, unit conversions, and the inverse relationship between specific heat capacity and temperature change. Anjali emphasized precise language in exams, focusing on energy "stores" and specific environmental impacts. The lesson concluded with practice problems, a review of prefixes, and an outline of the next class on phase changes.

Anjali and Timoteo reviewed gas laws and Brownian motion before diving into thermal expansion in solids, liquids, and gases. They explored real-world applications like thermometers and bimetallic strips, and discussed the consequences of thermal expansion in structures. The session concluded with an introduction to internal energy as the sum of kinetic and potential energies within a substance, setting the stage for specific heat capacity in the next class.

Anjali tutored Maisarah on momentum and impulse, working through problems involving both basic and two-dimensional collisions. Anjali emphasized drawing diagrams, resolving vectors, and applying the principle of conservation of momentum in both x and y directions. They also practiced calculating impulse from a force versus time graph, and Anjali assigned general practice problems on momentum and impulse for Maisarah to complete.

Anjali and Timoteo DUPUIS RODRIGUEZ discussed thermal physics, covering states of matter, gas pressure, Brownian motion, absolute temperature, and gas laws, including Boyle's Law. Anjali will resend the MCQ worksheet and provide practice problems. The next session will cover the graph related to Boyle's law.