Table 1: Detailed Lesson Sequence on Ionic and Covalent Bonding:
Day
Description of Activity
Curriculum
Expectations
Addressed
Advance
Preparation/
Materials Needed
Assessment/
Evaluation
Learning Styles (LS)/
Multiple Intelligences
(MI)
1
Review & Classifying Chemical Compounds
- PowerPoint presentation:
Bohr model of the atom, drawing Lewis structures
& properties of ionic and covalent compounds.
[Direct instruction, Student Involvement,
Technology]
B2.1, B3.5
Laptop,
Computer Speakers,
Digital Projector, USB
key
Informal question and answer
(diagnostic assessment),
Lewis structure and Properties of
Ionic/Covalent Compounds worksheet
(assessment)
LS: Visual, auditory
learners
MI: Logical, linguistic,
spatial
Predict, Observe, Explain Activity
(assessment)
LS: Visual, auditory,
kinesthetic learners
MI: Logical, linguistic,
spatial, interpersonal,
kinesthetic
2
-
Demo:
Test and compare the conductivity of salt solution
and sugar solution (Jenkins et al., 2002). [Teacherled, Student Involvement]
-
Group Activity: Bond With a Classmate
Students act as positive and negative ions and form
bonds with their peers. Introductory activity for
day 2. [Student Involvement]
Introduction to Bonding
- PowerPoint presentation:
Octet rule, electronegativity (including its periodic
trend), bonding continuum, bonding characteristics
of ionic, polar covalent and covalent bonds. [Direct
instruction, Student Involvement, Technology]
Two 100mL beakers,
Sugar solution, Salt
solution, 2 Stirring rods,
Simple circuit (with a
light bulb)
B2.1, B2.5
Ion cards, yarn
observation & feedback (assessment)
Laptop,
Computer Speakers,
Digital Projector, USB
key
Informal question and answer
(assessment), Determine Bond Type
Using Electronegativity worksheet
assessment)
LS: Visual, auditory
learners
MI: Logical, linguistic,
spatial
Learning skills checklist (assessment),
observation & feedback (assessment)
LS: Visual, auditory,
kinesthetic learners
MI: Logical, linguistic,
spatial, interpersonal,
kinesthetic
-
Role-Play:
Use the analogy of 3 divorced couples going
through counseling to represent ionic, polar
covalent and covalent bonding. Have students
role-play. [Teacher-mediated, Student-led]
3 baby cut-outs
-
Video Clip on Electronegativity:
http://www.youtube.com/watch?v=Kj3o0XvhVqQ
&feature=related
Laptop,
Computer Speakers,
Digital Projector, video
clip
LS: Visual, auditory
learners
MI: Spatial
3
Ionic Bonding
- PowerPoint presentation/Chalk and Talk:
Formation of ions, transferring single and multiple
electrons & bonding involving more than 2 ions
(shown using Lewis structures and structural
formulas), and properties of ionic compounds.
[Direct instruction, Student Involvement,
Technology]
-
Demo: Poker chips used to simulate ionic bonding.
[Teacher-led, Student Involvement]
-
Video Clip of ionic bonding:
http://www.youtube.com/watch?v=WXyFMJ0eJA0
Covalent Bonding
- PowerPoint presentation (continuation):
Single and multiple covalent bonding (shown using
Lewis structures and structural formulas),
coordinate covalent bonds, exceeding the octet
rule, properties of covalent compounds,
compare/contrast ionic and covalent compounds.
[Direct instruction, Student Involvement,
Technology]
4
-
Demo: Poker chips used to simulate covalent
bonding. [Teacher-led, Student Involvement]
-
Video Clip of covalent bonding:
http://www.youtube.com/watch?v=_sUIhpULamM
&feature=related
Polar Covalent Bonding
- PowerPoint presentation:
Polar covalent bonding (shown using Lewis
structures and structural formulas), polar
molecules, partial charges, overall polarity and
summary of all 3 bonds. [Direct instruction,
Student Involvement, Technology]
B2.1, B2.4,
B2.5
Laptop,
Computer Speakers,
Digital Projector, USB
key
Informal question and answer
(assessment)
LS: Visual, auditory
learners
MI: Logical, linguistic,
spatial
Poker chips
Predict, Observe, Explain Activity
(assessment)
LS: Visual, auditory,
kinesthetic learners
MI: Logical, linguistic,
spatial, interpersonal,
kinesthetic
Informal question and answer
(assessment), Drawing Lewis and
Structural Diagrams of Ionic and
Covalent Compounds worksheet
(assessment)
LS: Visual, auditory
learners
MI: Logical, linguistic,
spatial
Youtube video clip on
USB key
B2.1, B2.4,
B2.5, B3.5
Same as above.
LS: Visual, auditory,
kinesthetic learners
MI: Logical, linguistic,
spatial, interpersonal,
kinesthetic
B2.1, B2.4,
B2.5, B2.6,
B3.4
Laptop,
Computer Speakers,
Digital Projector
Informal question and answer
(assessment), Polar Covalent Bonding
worksheet (assessment)
LS: Visual, auditory
learners
MI: Logical, linguistic,
spatial
-
Demo:
Place a charged ebonite rod next to water and then
hexane. Water (polar) is attracted to the rod,
hexane is not (non-polar) (Sperring, 2000).
[Teacher-led, Student Involvement]
-
Class discussion:
Applications and societal implications. [Teacherled, cooperative discussion]
-
Lab: Gumdrop Molecular Models
Build molecular models and draw the Lewis
diagram, structural formulas and predicted shape
of molecule for ionic and covalent compounds
(Cherkas et al., 2002). [Small groups]
Ebonite rod, water,
hexane
Gumdrops, toothpicks
Predict, Observe, Explain Activity
(assessment)
LS: Visual, auditory,
kinesthetic learners
MI: Logical, linguistic,
spatial, interpersonal,
kinesthetic
Participation rubric (assessment),
informal question and answer
(diagnostic assessment)
LS: Auditory Learners
MI: Linguistic,
interpersonal
Lab handout (evaluation), learning skills
rubric (assessment)
LS: Visual, auditory,
kinesthetic learners
MI: Logical, linguistic,
spatial, interpersonal,
kinesthetic