8.P.1 Understand the properties of matter and changes that occur when matter interacts in an open and closed container.
8.P.1.1 Classify matter as elements, compounds, or mixtures based on how the atoms are packed together in arrangements.
Terms and Concepts
atom
proton
neutron
electron
element
compound
mixture: homogenous and heterogenous
solids, liquids, and gases - movement
8.P.1 Understand the properties of matter and changes that occur when matter interacts in an open and closed container.
8.P.1.2 Explain how the physical properties of elements and their reactivity have been used to produce the current model of the Periodic Table of elements.
Terms and Concepts
Periodic Table
Elements: symbol, atomic number, mass, state, and valence electrons
Arrangement
Similar properties
Mendeleev
Chemical formulas
Formulas for common substances
Chapter 2, Introduction to Matter
8.P.1 Understand the properties of matter and changes that occur when matter interacts in an open and closed container.
8.P.1.3 Compare physical changes such as size, shape and state to chemical changes that are the result of a chemical reaction to include changes in temperature, color, formation of a gas or precipitate.
Terms and Concepts
Physical Properties: shape, density, solubility, odor, melting point, boiling point, and color
Chemical Properties: acidity, basicity, combustibility, and reactivity
Physical Changes: phase, size, shape
Chemical Changes: color, temperature, precipitate, and formation of gas
pH levels and litmus test
chemical equations
8.P.1 Understand the properties of matter and changes that occur when matter interacts in an open and closed container.
8.P.1.4 Explain how the idea of atoms and a balanced chemical equation support the law of conservation of mass.
Terms and Concepts
Chemical reactions
Law of Conservation of Matter
Balanced equations