An educated guess
hypothesis
type of matter with definite shape and volume
solid
type of thermal energy through electromagnetic waves
radiation
ice to water
melting
variable that the scientist changes
independent variable
gases have an ____________ shape and volume
indefinite
type of thermal energy when heat rises and cool air sinks creating currents
convection
water to water vapor
evaporation
variables in an experiment that do not change
constants
type of matter with an indefinite shape, but a definite volume
liquids
type of thermal energy occurring when 2 objects collide
conduction
water to ice
freezing
variable that the scientist measures as a result of the experiment
dependent
stars are an example of this state of matter
plasma
currents in the atmosphere, water, and underground
convection
solid directly to gas
sublimation
type of data using numbers
quantitative
__________ is added or removed to change states of matter
thermal energy
the sun, heat lamps, light
radiation
example of sublimation
dry ice