Deck 1- Matter and It's Interactions Flashcards
Physical Science 1.1
substance
a particular kind of matter with uniform properties
matter
anything that has weight and takes up space
interaction
the action or influence of people, groups, or things on one another
evidence
the available body facts or information indicating whether a belief is true or valid.
properties
characteristics and qualities of a substance that identify and describe it
weight
the force of gravity acting on an object’s matter
Law of Conservation of Matter
a principal stating that energy cannot be created or destroyed, but can be altered from one form to another (converse: to save or store)
dissolve
mixing substances to form a solution
Open System
a system which allows matter as well as energy to enter and leave. For example this coffee cup is an open system when compared to a thermos
Closed System
a system which does not allow matter or energy to enter or leave