Chemistry Pacing Guide
Aurora Public Schools
Fourth Quarter: 43 Days
Units taught this quarter: Gases; Solutions; Equilibrium; Acids and Bases
Science Process
Essential Questions: How can graphs, equations and models be used to analyze systems?
Time for this unit: Throughout the quarter
(Note: this benchmark will be assessed at the end of this quarter)
Lessons/Labs that connect
Chemistry Learner Student understanding can
to this benchmark this
Outcomes be shown by:
quarter:
Graphs/equations and Teacher/site will select at Use a graph or equation
models used to analyze least three lessons/labs that to analyze a system
systems with emphasize graphing, Construct a model to
change/constancy equations, and the use of explain change or
models. constancy within a
system
Describe changes within
a system.
Unit: Gases
Essential Questions: How can we explain the behavior of gases?
Time for this unit: 14 days (7 blocks)
Chemistry Learner
Content/Topics within Unit Students should be able to: Resources
Outcomes
Essential Understanding: Identify four variables HRW Chemistry Chapter 12
All gases behave in a that describe gases
predictable manner. Values at STP Labs:
Kinetic molecular theory Use/apply Boyle’s, Vernier probeware labs
explains gas behavior. Charles’, G-L, and (Gateway)
Avogadro’s Law Molar volume of a gas
Students Should know: Use/apply Dalton’s Law lab (magnesium-HCl)
Characteristics of gases of Partial Pressure (Rangeview)
Gas laws Solve gas stoichiometry Determination of ideal
o Boyle’s Law problems gas law constant lab
o Charles’ Law (Rangeview, Hinkley)
o Gay-Lussac’s Law
Uses kinetic theory to o Avogadro’s Law
predict behavior of o Combined
gases o Ideal Online simulations: PhET
Gas stoichiometry http://phet.colorado.edu/inde
o STP x.php
o Molar Volume (Gas Properties)
Mixtures of gases
o Dalton’s Law of Partial
Pressures
Math Connections:
Determine value of one
variable (solve for x)
Addition
Fractions
Proportions
Unit: Solutions
Essential Question: How do reactions occur in solution?
Time for this unit: 6 days (3 blocks)
Chemistry Learner
Content/Topics within Unit Students should be able to: Resources
Outcomes
Essential Understanding: Prepare solution of given HRW Chemistry Chapter 13
Concentration is a property of concentration
solutions. Interpret solubility curves Labs:
Solubility curve lab
Students Should know: Calculate the molarity of
Concentration sugar in given solution
o Molarity (soda) (Gateway)
o Parts per million Food color concentration
Properties of solutions lab (colorimeter probes)
o Solute (Rangeview)
Relate properties of
o Solvent
solutions to
o Solubility curve
chemical behavior
o Like dissolves like
o Conductivity and
electrolytes
Math Connections:
Determine value of one
variable (solve for x)
Proportions
Unit conversions
Construct and interpret graphs
Unit: Equilibrium
Essential Question: How do opposing processes interact?
Time for this unit: 8 days (4 blocks)
Chemistry Learner
Content/Topics within Unit Students should be able to: Resources
Outcomes
Essential Understanding: Describe a system in HRW Chemistry Chapter 14
Reversible reactions maintain a balance
state of balance between Use/apply Le Chatlier’s Labs:
reactants and products. Principle to predict the Color change demo (Pg
Applies cause/effect effect of changes in 515)
relationships in Students Should know: reactions Iodine clock demo from
chemical systems Reversible reactions Flinn
o Dynamic equilibrium
Le Chatlier’s Principle
Math Connections:
Determine value of one
variable (solve for x)
Unit: Acids and Bases
Essential Question: What are acids and bases?
Time for this unit: 15 days (7 blocks)
Chemistry Learner
Content/Topics within Unit Students should be able to: Resources
Outcomes
Essential Understanding: Differentiate acid/base
The pH describes the properties HRW Chemistry Chapter 15
concentration of protons. Calculate pH of a
solution Labs:
Students Should know: Neutralize solutions to Acid-base titration labs
Properties of acids and bases endpoints correctly Determine pH of
o Bronsted-Lowry Model Determine concentration unknown solution
o Characteristics of acids of unknown acid/base
Relates properties of and bases through titration
solutions to their o Conjugate pairs
hydrogen ion Be able to interpret a
o Indicators titration curve
concentration o Strong vs. weak
pH calculations
Neutralization
Titration techniques
Math Connections:
Determine value of one
variable (solve for x)
Construct and interpret graphs