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Calculating Energy Transfers in Systems
Principles of energy • Energy stores and changes
Key concepts
What you'll likely be quizzed about
- Energy transfers occur through various mechanisms, including conduction, convection, and radiation.
- Conduction involves heat energy transferring through direct contact between materials.
- For example, when a metal spoon is placed in hot water, the heat from the water moves to the spoon.
- In convection, heat energy moves through fluids, where warmer regions rise and cooler regions sink, creating a current.
- Radiation transfers energy through electromagnetic waves, such as sunlight warming the Earth.
Flashcards
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Key notes
Important points to keep in mind