Phase Changes
Liquid to solid
Freezing
Butter on a hot baked potato
conduction
In order for melting to happen, what must occur?
add heat
Solid to liquid
Melting
Freezing point of water in Celsius
0
Sitting beside a fire
Radiation
Why does heat rise?
It is less dense.
Liquid to gas
Vaporization (evaporation)
Boiling point of water in Celsius
100
Microwaving popcorn
Radiation
Heat always travels from a _________ object to a _________ object.
warmer, cooler
Gas to liquid
Condensation
Absolute zero in Celsius
-273 (-273.15)
Lava lamp
Convection
Heat will keep traveling between two objects until _______________.
they reach the same temperature
Solid to gas
Sublimation
If the Celsius temp increases by 32 degrees, how much will the Kelvin temperature change by?
32
Convection
What happens to the temp of water when it is in the process of freezing?
stays the same