physical science 3

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  1. 4. Heat flows from the hotter object to the cooler one.
  2. 8. Collector A device that captures sunlight and converts it into heat energy. Solar
  3. 10. oxidizer in a combustion chamber. This process generates heat, which is then used to do
  4. 11. means more disorder.
  5. 14. Heat The amount of heat required to change the temperature of one gram of a
  6. 15. Expansion The increase in volume of a substance due to an increase in
  7. 16. by one degree Celsius. It is a property that reflects how much energy a material can
  8. 18. The transfer of heat by the movement of a fluid (liquid or gas) between
  9. 20. space or a material medium. Unlike conduction and convection, radiation can occur in a
  10. 21. there is a difference of temperature without movement of the material. Common in solids,
  11. 24. other forms of energy. It includes the study of systems and their energy changes.
  12. 25. Law of Thermodynamics Also known as the Law of Energy Conservation, it
  13. 29. are often used in solar panels to heat water or air.
  14. 30. the differences in temperature.
  15. 31. It is used to determine specific heat capacities and other thermal properties.
  16. 33. A measure of the amount of disorder or randomness in a system. Higher
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  1. 1. The measure of the average kinetic energy of the particles in a substance.
  2. 2. Engine A device that converts thermal energy into mechanical work, often by
  3. 3. The transfer of thermal energy between substances due to a temperature
  4. 5. is lost as heat, and systems tend to move towards higher entropy, or disorder.
  5. 6. The science of measuring the heat of chemical reactions or physical
  6. 7. The process by which heat is directly transmitted through a substance
  7. 9. The emission or transmission of energy in the form of waves or particles
  8. 12. The branch of physics that deals with the relationships between heat
  9. 13. A material that significantly slows down the transfer of heat. Common
  10. 17. Law of Thermodynamics This law states that in any energy transfer, some
  11. 19. include wood, plastic, and fiberglass.
  12. 22. Combustion Engine An engine in which the combustion of a fuel occurs with
  13. 23. metals.
  14. 26. is usually measured in degrees Celsius (°C), Fahrenheit (°F), or Kelvin (K).
  15. 27. It is an important consideration in construction and manufacturing.
  16. 28. of different temperature. It occurs in the atmosphere, oceans, and heating systems.
  17. 32. that energy cannot be created or destroyed, only transformed from one form to another.