Unit 2 test Flashcards
Freedom of movement
the way molecules in a substance move around
Kinetic energy
The energy that an object has because it is moving
Molecular attraction
A pull between 2 molecules that is the same for a substance
Molecule
A group of atoms joined together a particular way
Phase
A noticeably different form or state of the same substance
Refute
to provide evidence that goes against a claim
Scale
the relative size of things
temperature
A measure of how hot or cold something is
When energy is transferred to or from a substance…
it can change the molecules freedom of movement
Temperature is a measure of…….
the avarage kinetic energy of the molecules in a substance
Transfereing energy into a substance will…..
increase kinetic energy
Transfereing energy out of a substance will…..
decrease kinetic energy
When energy is transferred out from a substance it can effect it’s…….
Freedom of movement
