Temperature
Average kinetic energy of the molecules of a substance
Heat
Total internal energy of a substance
Thermometer
What do you use to measure temperature?
Calorimeter and heat equation
What do you use to measure heat?
*C
*F
*K
What unit is used to label temperature?
Calories or joules
What unit is used to label heat?
-273*C
What is absolute zero?
4.19 joules
How many joules is equal to 1 calorie
1000
How many heat calories is equal to 1 Food Calorie?
None
How much kinetic energy does absolute zero have?
Radiation
Conduction
Convection
What are the three forms of Heat Transfer?
Radiation
Heat travels by the way of of waves through air or space
Conduction
Heat travels by way of objects in direct contact
Convection
Heat travels through fluids in the form of currents
From Hot to cold
How do convection currents move?
Convection
Gases and liquids are what form of heat transfer?
Radiation
What is the fastest method of heat transfer
Conduction
Solids and liquids are what for, of heat transfer?
Specific heat
Ability of a substance to absorb heat
Cp
What is the abriviation for specific heat
1 cal/g*C
What is the specific heat of water
H=(t2-t1)(m)(cp)
What is the heat energy equation?
Heat of fusion
Heat needed to change 1 gram of a solid into a liquid
Hf
What is the abriviation for heat of fusion?
Heat of vaporization
Heat needed to change 1 gram of a liquid into a gas
80 cal/g
What is the heat of fusion (change ice into liquid)
540 cal/g
What is the heat of vaporization (change liquid water into steam)
Insulation
Attempt to stop heat movement
Thermal expansion
Increase in volume with increase in Temperature
Contraction
Decrease in volume due to decrease in temperature
4*C
Water expands unless it is heated below what temperature
22
-4
From what temperatures does water contract?
22
-100
anything below 4*
from what temperatures does water expand?
dark colors
what kind of colors absorb heat?
silver
what color reflects heat?