MYP4 Chem 2013-14

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Scope and Sequence MYP 4 (2013-14)
Work Unit
Assessment
Approaches
1. State of matter
-Introduction to and importance of
Chemistry
-Lab safety
-Hazard labels
-Observation exercise*
-State of matter and changes of state
-Physical properties (m.p, b.p., solubility
etc)
-Separation methods (filtration,
evaporation, crystallisation,
chromatography, distillation*)
-Distillation demo,
-Lab (separation of mixtures)
Lab Filtering Pond Water
(DEF)
Labs, demonstrations,
worksheet
2. Atoms
- Periodic table* and histories behind
-Mark metals, non-metals and semi-metals
with colours
-sub-atomic particles (protons, neutrons
and electrons) up to Ca
-Calculation of numbers of sub-atomic
particles*
-Electron configuration
-Isotopes, definition, their use, calculation
of relative atomic mass
-Define groups (group 1, 7 and 0) and
periodicity
-Alkaline metal (group 1) with water
(demo), chemical equations
-Flame tests (group1 and 2 metals)
Famous scientist who
contributed to the atomic
theory poster (AB)
3. Chemical Bonding
- Covalent Bonding
- Macromolecules (diamond and graphite)
- Ionic Bonding
- Metallic Bonding
- Drawing atomic structure of ionic
compounds, covalent compounds and
metallic structure
- Physical properties of covalent
compounds, ionic compounds and metals
- Compound ions
- Writing balancing equations
- Semester exam
4.Different types of reactions
- Chemical change and physical change
Chemical bonding lab
(DEF)
Labs, Presentation, PPT
Discussions Creative
Writing, Class Discussions,
HW,Tests, exam (C)
Physical and Chemical
Changes Lab (formative)
Conservation of mass lab
(formative)
Labs, Presentation, PPT
Discussions Creative
Writing, Class Discussions,
HW,Tests (C)
- Conservation of mass
Forensic Chemistry (DF)
Test (C)
Advertising elements (AB)
Semester exam (C)
Internet research,
demonstration, video
(youtube-brainiac alkali
metals), worksheet, on-line
reading (Visionlearningperiodic table of elements),
computer simulation, tests
(C)
-The mole concept
5. Acids and bases
What are acids and bases?
- General properties of acid: sour,
corrosive
- General properties of bases: bitter,
slippery, corrosive
- Acid found in food and drinks
- Bases found in cleaning agent
- Natural indicator (flower petals/red
cabbage)
- Litmus paper/pH paper/Universal
indicator
What do we mean by ‘acids are corrosive’?
- Acid corrodes metals and building
materials
- Reaction between metals and acid gives
hydrogen.
- Reaction between calcium carbonate and
acid gives carbon dioxide.
What do we mean by ‘strong and
concentrated acid or base’?
- Determination of the relative strength of
acid and bases.
- Explanation of the difference between
strength and concentration.
- Safety precautions for handling strong
acids and bases.
Magnesium Oxide Lab
(formative)
Poster of acids and alkalis
in our daily life
(formative)
Natural indicator lab
(formative)
Preservation of fruit in
acid (DEF)
Determination of pH in
different daily products
lab (formative)
Labs, Presentation, PPT
Discussions Creative
Writing, Class Discussions,
HW,Tests (C)
Reaction of acid with
metals and metal
carbonate lab (formative)
Investigating strong and
weak acid lab.
Demo of concentrated
sulfuric acid as a
dehydrating agent.
What are salts and why are they important?
- Neutralisation reactions
- The daily use of neutralization
- Predicting salt that will be formed in a
neutralization
- Practical methods for making salts.
Acid rain and how does it form?
- Fossil fuels as a source of sulfur.
- Sulfur dioxide and nitrogen oxides in
forming acid rain
- The impacts of acid rain in the
environment
- Ways to reduce acid rain
6. Metals
Metals are extracted from ores by a variety
Making insoluble oxides
and carbonates, and
soluble hydroxides and
carbonates by
neutralization lab
(formative)
Growing plant at different
pH in seedling.
Essay on the cause, effect
and tackling of acid rain
(AB)
Labs, Presentation, PPT
Discussions Creative
of methods depending on their reactivity.
Writing, Class Discussions,
HW,
- Explain why extraction of metals is needed
- State what is meant by a native metal and
how they are extracted
- Relate the ease of obtaining metals from their
ores to reactivity of their metals
Deduce the order of discovery of some metals
from their relative ease of extraction
Metals Test C
Metals of intermediate reactivity are usually Thermit reaction
extracted by displacement reactions
- Describe and explain displacement reactions
of various metals and metal compounds in
solutions
- Construct reactivity series based on
displacement reactions
- Explain the extraction of some metals by
displacement
Displacement lab
(formative)
Deduction of reactivity
series of metals (DEF)
Water and oxygen are required for rusting,
but the process is subject to all factors that
affect a chemical reaction
- State what rusting is
- Observe a rust indicator in an experiment
to investigate rusting
- Investigate the factors that influence
rusting
- Explain the factors that influence the speed of
rusting
The effectiveness of a method of rust
prevention depends on the circumstances,
however the most effective method is not
the always the most economical
- Describe various methods of rust
prevention including alloying and
galvanising
- Evaluate appropriate methods to prevent
rusting based on socio-economic and
technological considerations
The susceptibility of a metal to corrosion
depends on its reactivity, which is a key
factor in determining usefulness in a
structural role
- Explain the difference between rusting
and corrosion
- Relate the corrosion risk of metals to
their reactivity
- Describe the anodisation of aluminium in
Rusting investigation
(DEF)
simple terms
Metals are simple to recycle and this saves a very
large proportion of the energy needed to produce
new metal from scratch
- Describe the effects of the toxic byproducts associated with the use of lead
and aluminium
- Explain the environmental benefits of
recycling metals and preventing corrosion
in terms of saving energy
- Research the metal recycling industry of
UK and measures for conserving resources
in the world
Metal recycling
essay/presentation/poster
(AB)
7. Organic Chemistry
Fossil fuels are a finite resource
- Define and describe fossil fuels
- Define hydrocarbon
- Understand that the combustion of
hydrocarbons is an exothermic reaction
- Describe the origin of fossil fuels starting
with photosynthesis
Burning hexane and
alcohol (demo)
Combustion of alcohols
DEF
Petrol Chemistry and it applications
- How to separate crude oil by fractional
distillation
- Understand the economic importance of
crude oil
- Explain the demand for various fractions
of crude oil including branched and
unbranched alkanes
Cracking demo
Simulation of fractional
distillation
Labs, Presentation, PPT
Discussions Creative
Writing, Class Discussions,
HW,Tests (C)
- Polymers (plastics)
Making polymers.
The impact of using fossil fuels on our lives
and environment
- Suggest measures for reducing the
emission of air pollutants from combustion
of fossil fuels
Presentation on Ethanol
- Explain that biofuels are chemically
production AB
similar to fossil fuels
- Discuss the suitability of biofuels as a
replacement for fossil fuels
- Describe Earth’s prehistoric climate in
terms of atmospheric changes
What is meant by homologous series?
- State the structural and general formulae
of alkanes
- Give systematic names of alkanes
- Recognize that alkanes are saturated and
know what is meant by this in terms of
alkanes/alkenes
- State the test for unsaturation
Apply the concept of (un)saturation to fats
and oils
- Describe the hydrogenation of oils and
explain its importance
- Recognize the dangers associated with
trans-fats
Alcohols
- Homologous series of alcohols
- Manufacturing alcohols
- Ethanol as a fuel and its relation with the
global warming
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