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chemisty

sections 1, 2, and 3

QuestionAnswer
What is matter Anything that has mass and takes up space.
what is chemistry The study of properties and how matter changes
what is the difference between a chemical and physical change a chemical change produces new substances with properties different from those of the original substances
describe volume the amount of space matter occupies
what is an element a pure substance that cannot be broken down into any other substance by a chemical or physical means
what is a compound a pure substance made up of 2 or more elements chemically combined in a set ratio
what is a mixture elements and compounds are mixed together in the same place but not chemically bonded
what is weight a measure of the force of gravity on you
what is mass the measurement of the amount of mass on you
what is the si system to measure properties of matter (scientist use it)
what is density a measurement of how much mass of a substance is contained in a given volume
what is a substance a single kind of matter that is pure meaning it always has a specific make-up or composition or a specific set of properties
what is a physical property a pure substance that can be observed without changing it into another substance
what is a chemical change
Created by: chloemclane