Unit 1 Part 1 Vocab

volume

• amount of space an object takes up

• the weight of an object

• the color of an object

• the temperature of an object

chemical change

• process that changes a substance into a new substance

• a physical change that does not alter the substance

• a reaction that only involves the state of matter

• a process that can be easily reversed

mass

• amount of matter in an object

• weight of an object

• volume of an object

• density of an object

molecule

• the smallest particle of a compound that still has the properties of that compound

• a large group of atoms bonded together

• a type of chemical reaction

• a mixture of different compounds

compound

• substance made of two or more elements bonded together

• a single element in its pure form

• a mixture of different substances

• a solution of a solute and solvent

scientific law

• a theory that explains a phenomenon

• a statement that describes something in nature that seems to always be true

• an observation that can be tested

• a hypothesis that has not been proven

atom

• smallest unit of an element

• a type of molecule

• a large particle in a compound

• a form of energy

mixture

• a combination of different substances that can be easily separated from each other

• a single substance that cannot be separated

• a solution where one substance is dissolved in another

• a chemical reaction between two or more substances

weight

• the force of gravity on an object

• the mass of an object

• the volume of an object

• the density of an object

physical change

• change in matter that does not affect its chemical composition

• change that alters the chemical structure of a substance

• change that results in the formation of a new substance

• change that occurs only at high temperatures