Quick Vocabulary PDF

# Quick Vocabulary ## Lesson 1 - **atom** - small particle that is a building block of matter - **compound** - substance containing atoms of two or more different elements chemically bonded together - **dissolve** - to form a solution by mixing evenly - **element** - substance that consists of ju...

# Quick Vocabulary ## Lesson 1 - **atom** - small particle that is a building block of matter - **compound** - substance containing atoms of two or more different elements chemically bonded together - **dissolve** - to form a solution by mixing evenly - **element** - substance that consists of just one type of atom - **heterogeneous mixture** - type of mixture in which the individual substances are not evenly mixed - **homogeneous mixture** - type of mixture in which the individual substances are evenly mixed - **matter** - anything that has mass and takes up space - **mixture** - matter that can vary in composition - **substance** - matter with a composition that is always the same ## Lesson 2 - **bond** - force between atoms or groups of atoms - **density** - mass per unit volume of a substance - **mass** - amount of matter in an object - **physical property** - characteristic of matter that you can observe or measure without changing the identity of the matter - **property** - characteristic used to describe something - **solubility** - ability of one substance to dissolve in another ## Lesson 3 - **physical change** - change in size, shape, form, or state of matter in which the matter's identity stays the same ## Ch. 8 - **solid** - matter that has a definite shape and a definite volume - **liquid** - matter with a definite volume but no definite shape - **gas** - matter that has no definite volume and no definite shape