Physical Science Final

4. the percentage of the work input that becomes work output in a machine
5. the material through which a wave travels
6. the tendency of an object to resist a change in its motion
8. a nuclear reaction in which the nuclei of two atoms combine to form a larger nucleus
11. the number of complete cycles per unit time for a periodic motion
14. the study of conversions between thermal energy & other forms of energy
16. an upward force due to a pressure difference between the top & bottom of a wing
17. the rate of doing work
19. the smallest particle of an element

1. the ability of a fluid to exert an upward force on an object placed in it
2. the transfer of energy by waves moving through space
3. a quantity that has a direction associated with it
7. the bending of a wave as it moves around an obstacle or passes through a narrow opening
9. a packet of electromagnetic energy
10. the ability to do work
11. a nuclear reaction in which an atomic nucleus is split into two smaller parts
12. the study of matter and energy and the interactions between the two through forces & motion
13. the energy stored in the bonds of molecules
15. the transfer of thermal energy from one object to another because of a difference in temperature
18. a point on a standing wave that has no displacement from the rest position