Thermal Energy Vocab

4. states that if the mechanical energy of the system is constant, the increase in thermal energy of that system equals the sum of the thermal energy transfers into that system and the work done on that system
6. states that energy spontaneously spreads from regions of higher concentration to regions of lower concentration
9. the transfer of thermal energy in a fluid by the movements of warmer and cooler fluid
10. the amount of heat needed to raise the temperature of 1 kg of that material by 1oC
11. the measure of the average kinetic energy of the particles that make up that object
13. a heat engine that burns fuel inside a set of cylinders
14. energy that is transferred between objects due to a temperature difference between those objects

1. a material through which thermal energy moves slowly
2. a device that transforms radiant energy from the Sun into thermal energy
3. the study of the relationships between thermal energy, heat, and work
5. the transfer of energy by electromagnetic waves, such as light and microwaves
7. a device that converts some thermal energy into mechanical energy
8. the sum of the kinetic energy and the potential energy of all of the particles that make up that object
12. the transfer of thermal energy by collisions between the particles that make up matter