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the realm of atoms and molecules, where objects are smaller than can be detected by optical microscopes
the study of the composition of matter and the changes that matter undergoes
that which has mass and occupies space
research dedicated to the discovery of the fundamental workings of nature
research dedicated to the development of useful products and processes
an organized way of gathering and analyzing evidence about the natural world
is a testable assumption, or guess, often used to explain an observed phonomenon
a test performed by scientists to increase the conclusiveness of an experimental test
an explanation using an integrated set of principles that organizes and predicts observations.
the amount of matter in an object.
a measure of the gravitational force exerted on an object
the amount of space an object takes up
the capacity to do work
energy due to motion
a measure of how hot (or cold) something is; specifically, a measure of the average kinetic energy of the particles in an object
measuring instrument for measuring temperature
The coldest temperature, 0 Kelvin, that can be reached. It is the hypothetical temperature at which all molecular motion stops.
the energy transferred between objects that are at different temperatures
matter that has definite volume and definite shape
a form of matter that flows, has constant volume, and takes the shape of its container
a form of matter that does not have a definite volume or shape
change from a solid to a liquid
the change of state from a liquid to a solid
the change of a substance from a liquid to a gas
evaporation in which bubbles form beneath the liquid surface
The change of state from a gas to a liquid
the ratio of an object"s mass to its volume