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PHYSICAL SCIENCE

Ch 8 - Solids, Liquids, and Gases


1. The energy needed for a liquid to boil is its _______. 
2. Charles's law states that the volume of _____ increases when the temperature increases, at constant pressure. 
3. Bernoulli's principle explains why _____. 
4. An extremely hot mixture of electrically charged particles is _____.
5. When industries release hot water into streams and rivers, it is called _____. 
6. Particles separate completely from each other in a(n) _____. 
7. The state of matter that has a definite volume and a definite shape is  _____. 
8. The most common state of matter in the universe is _____. 
9. In general, as a solid is heated, it _____. 
10. A material's heat of fusion gives the amount of energy needed to _____. 
11. Archimedes' principle states that the buoyant force on an object in a fluid is equal to 
the _____ of the fluid displaced. 
12. Pascal's principle is the basis for _____. 
13. Changes in state can be interpreted in terms of _____. 
14.  _____ is caused by moving particles colliding with the inside walls of their container. 
15.  In most solids, the particles are arranged in repeating geometric patterns called _____. 
16. There are _______ states of matter. 
17. The state of a sample of matter depends on its _______. 
18. The idea that all matter is made up of  tiny particles in constant motion is called _______. 
19. The shape of a liquid depends on ________. 
20. The temperature at which all particle motion would stop is _______. 
21. The state of matter in the sun and other stars is primarily _______. 
22. Water that exceeds government limits for impurities is _______. 
23. _______ is the process in which liquid changes to gas below the boiling point. 
24. ________ is the amount of force exerted per unit of area. 

25.ESSAY:  Distinguish between the states of matter (solid, liquid, gas) as related to the relative motion of molecules.
 

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