Deck 2- Changes in Matter Flashcards
Physical Science 1.2
variables
factors that can be changed or measured in an experiment
properties
characteristics or qualities of a substance or material that describe and identify it
Physical Change
a change that alters the physical properties of matter, such as its color, texture, shape, or state of matter without changing its chemical composition (without changing what it is)
Chemical Change
when a substance is transformed into a new substance with different properties through a chemical reaction
mass
mass is the amount of matter in an object. For example, an elephant has more mass than a mouse because it contains more matter
quantitative
relating to different sizes or amounts of things
qualitative
having to do with the characteristics or features of something, rather than an amount
data
a collection of information gathered by observations, questioning, or measuring
control
an element that remains unchanged or unaffected by other variables(changing parts)
Control Test
a test which controls all but one variable when attempting to answer a scientific question