How can we help?

You can also find more resources in our Help Center.

22 terms

Physical Science Midterms 2

STUDY
PLAY
thermal equalibrium
when two or more objects are at the same temperature and no more heat will flow
heat transfer
the flow of thermal energy from higher temperature to lower temperature
melting point
when a substance is hot enough to go from a liquid to a gas
absolute zero
lowest possible temperature
thermometer
device for measuring temperature
celsius
freezes at 0 and boils at 100
fahrenhiet
freezes at 32 and boils at 212
hetrogenious mixture
not the same through out
Homogenious mixture
looks the same throughout
covection
transfer of heat by the motion of matter such as air or water
thermal radiation
electromagnetic waves produced by objects because of thier temperature
conduction
transfer of heat by direct contact
specific heat
amount of heat needed to raise the temp of 1 kg by 1C
heat
thermal energy that can move
thermal energy
energy due to energy
temperature
measures the energy of molecules due to motion
mixture
combination of elements that can be separated by physical means
molecule
a group of two or more different elements chemically joined
atom
smallest particle of an element
element
cannot be broken by physical or chemical means
pure substance
matter that cannot be separated into other types of matter
compound
substance that contains two or more different elements chemically joined