Science (Unit IX)

3. is the phenomenon of lowering the melting point by applying pressure and refreezing once the pressure is removed .
4. is the reverse of heating .
7. is energy in transit .
9. is a measure of doing mechanical work .
10. when a solid heated , it changes into liquid .
15. is the process by which liquid turns into gas .
17. is turning liquid into its solid phase .
20. is defined as the measure of the degree of hotness or coldness of a body .

1. the reverse of boiling .
2. is the energy stored in spring .
5. is the device that uses the property of thermometric substances to measure temperature .
6. refers to the increase in size of an object as that object is heated .
8. is the energy possessed by an object by virtue of its motion .
11. is defined as the quantity of heat required to change the temperature of a unit mass of the substance by 1 degree .
12. is defined as the amount of heat needed to change the phase of substance without any change in temperature .
13. is the product of the force , displacement , and cosine if the angle between force and displacement .
14. it changes to gas or vapor at a fixed or constant temperature .
16. is the unit for work .
18. is the rate of doing work .
19. is the ability to do work .