Thermal Energy

2. the transfer of thermal energy in a fluid by the movements of warmer and cooler fluid
4. is energy that is transferred between objects due to a temperature difference between objects
6. the average kinetic energy of the particles that make up an object
8. is the study of the relationships between thermal energy, heat, and work
11. the transfer of thermal energy by collisions between particles that make up matter
13. turns radiant energy into thermal energy
14. a good insulator should have _____ specific heat
15. a substance that can absorb a great amount of thermal energy with little change in temperature
17. material through which thermal energy moves slowly
18. device that converts some thermal energy into mechanical energy

1. amount of heat needed to raise the temperature of 1kg of a material by 1 degree C
3. a common coolant
5. heat engine that is used in cars
7. the sum of all kinetic and potential energy of all the particles that make up an object
9. thermal energy increases with ________, as larger objects have more particles
10. unit of heat
12. the transfer of energy by electromagnetic waves, such as light and microwaves
16. both heat and _____ can increase thermal energy