# PHYSICS & TEMPERATURE BLVCK IV

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1. ________ is a dominant factor in determining the physical properties or state of matter.
Temperature
2. What can change the state of matter?
Temperature
3. Boiling Point = 212 degrees

Freezing Point = 32 degrees
Fahrenheit
4. Boiling Point = 373 degrees

Freezing Point = 273 degrees
Kelvin/Absolute
5. All molecular activity ceases at absolute zero.
Fundamental Constant
Absolute Zero
6. -Directly Proportional
-Increase in pressure will cause an increase in temperature
Temperature/Pressure relationship in a closed container
7. -Directly Proportional
-Pressure increases will raise boiling point
-Pressure can chance the state, but not dominate factor
Pressure/Boiling Point relationship in a closed container
8. -Caused by movement of molecules
Form of Energy
9. Joules, Calories, & BTU’s
Measurements of heat
10. -Water is the standard
-Water has a value of one
-Heat required to change one pound of a substance one degree
1 BTU
11. ____ is required to change the temperature of one pound of water by one Fahrenheit.
One BTU
12. -Governs heat transfer
-States, heat travels from hot to cold
- HEAT SEEKS COLD
2nd Law of Thermodynamics
13. Conduction, through _____ objects, requires a medium
SOILD
14. Convection, through _____ objects, requires a medium
FLUID
15. Radiation, through _____ , doesn’t require a medium
WAVES
16. Controlling Heat Transfer: May be desired through -
• -Heat exchanger
• -Controlling air temperature
17. • Radiation turned away by reflective material such as paint
-Conduction reduced by a poor conductor such as stainless steel
-Convection eliminated by a vacuum such as between two tanks
How Heat Transfer is Eliminated;
 Author: carLORENZ0 ID: 255365 Card Set: PHYSICS & TEMPERATURE BLVCK IV Updated: 2014-01-06 18:13:59 Tags: dakfhi Folders: ;askldjf Description: ;slakjdf Show Answers: