Physical Science- Semester 1 Study Guide
Chapter 1- Nature of Science
Scientific method hypothesis experiment
variable constant dependent variable
control model independent variable
theory technology scientific law
volume mass density
graph
Chapter 18- Classification of Matter
substance element heterogeneous mixture
compound solution homogeneous mixture
colloid Tyndell effect suspension
physical property distillation chemical property
physical change chemical change
law of conservation of mass
Chapter 19- Properties of Atoms & the Periodic Table
atom nucleus proton
neutron electron quark
electron cloud valance electron atomic number
mass number isotope average atomic mass
periodic table group electron dot diagram
period
Chapter 22- Chemical Bonds
chemical formula ion noble gases
chemical bond ionic bond covalent bond
molecule polar molecule nonpolar molecule
binary compound hydrate oxidation number
polyatomic ion
Chapter 23- Chemical Reactions
chemical reaction reactant product
chemical equation coefficient balanced chemical equation
combustion reaction synthesis decomposition reaction
single-displacement reaction double-displacement reaction
activation energy catalyst endothermic reaction
exothermic reaction inhibitor rate of reaction
Chapter 24- Solutions, Acids, & Bases
solution solute solvent
aqueous solution solubility saturated solution
unsaturated solution concentration supersaturated solution
acid indicator base
strong acid weak acid strong base
weak base pH
Standards of Measurement
kilo- milli- centi-
Kelvin conversions SI system
derived unit
Concepts to Know
Steps of the scientific method
Converting m to cm; L to mL, Celsius to Kelvin
Equation for volume and density
What is plotted on the x and y axis
Three types of graphs and what information is used with each
Benefits of the SI system
Examples of physical change, physical property, colloid, suspension
How to write a formula with a hydrate
Name formulas- What is NaCl?
How to write formulas- Write the formula for sodium chloride
How to balance equations-H2 + O2 à H2O
Symbols- s, g, l, aq, à
How to find group and period of elements
Classify elements as metal, nonmetal, or metalloid
What to change and not change when balancing equations
How H3O units are formed
Classify reactions- synthesis, decomposition, single & double displacement
3 factors that affect rate of reaction
*What is meant by a balanced chemical equation
*Describe an ion and explain how it is used in bonding
*Why don’t noble gases form compounds
*3 types of subatomic particles-use chart below
subatomic particle / location / charge / mass