Download Year 9 Chemical Sciences Program Term 3 Course 2 2017

Year 9 Science
Course 2
Term 3: Chemical Sciences
Text: Oxford Science 9, Helen Silvester
Chemical Sciences Content Descriptions
All matter is made of atoms that are composed of protons, neutrons and electrons; natural radioactivity arises from the decay of nuclei in
atoms. (ACSSU177)
 describing and modelling the structure of atoms in terms of the nucleus, protons, neutrons and electrons
 comparing the mass and charge of protons, neutrons and electrons
 describing in simple terms how alpha and beta particles and gamma radiation are released from unstable atoms
Chemical reactions involve rearranging atoms to form new substances; during a chemical reaction mass is not created or destroyed. (ACSSU178)
 identifying reactants and products in chemical reactions
 modelling chemical reactions in terms of rearrangement of atoms
 describing observed reactions using word equations
 considering the role of energy in chemical reactions
 recognising that the conservation of mass in a chemical reaction can be demonstrated by simple chemical equations
Chemical reactions, including combustion and the reactions of acids, are important in both non-living and living systems and involve energy transfer.
(ACSSU179)
 investigating reactions of acids with metals, bases, and carbonates
 investigating a range of different reactions to classify them as exothermic or endothermic
 recognising the role of oxygen in combustion reactions and comparing combustion with other oxidation reactions
 comparing respiration and photosynthesis and their role in biological processes
 describing how the products of combustion reactions affect the environment
Wk
1
2
3
Topic
Atoms: Unit
7.1 & 7.2
Atomic and
Mass
number: Unit
7.3
Formation
of Ions: Unit
7.4 & 7.5
Resources and
Experiments
Assessment
and
Homework
Check Your
Learning 7.1
& 7.2
Content
Activities
 Define atomic theory
 Describe the evidence that supports the atomic theory
 Explain why theories like the atomic theory develop
over time
 Define electrons, Thomson plum pudding model,
nucleus, protons and neutrons
 Describe the Rutherford model of an atom
 Relate technological developments with the
development of the Rutherford model of an atom
 Define mass number and periodic table
 Describe how the elements are ordered on the
periodic table
 Calculate mass number from the number of protons
and neutrons
 Determine the number of electrons in an atom from
the number of protons
 Explain the difference between atomic number and
mass number
 Define electron shells, Bohr model, electron
configuration, shell diagram and emission spectrum
 Describe the Bohr model of an atom
 Explain why electrons hells are filled from the insideout
 Relate emission spectra to movement of electrons
between shells
 Draw shell diagrams for the first 20 elements of the
periodic table
 Define ion, anion and cation
 Relate the number of electrons in the valence shell to
whether the atom will become an anion or cation
 Calculate the charge of an ion
 7.1 History of the Atom worksheet
 7.1 Interactive Activity: History of
Chemistry
 Weblink: Atomic Theory time line
 7.2 The Structure of Atoms worksheet
 7.2 Interactive: The atom
 7.2 video: inside an atom
 Weblink: BBC bitesize atoms and
isotopes
 7.3 Atoms are all about mass
worksheet
 7.3 Interactive: Elements and
compounds
 Scientific Eye video: Elements
 Weblink: Build an atom
 Mass and Atomic Number worksheet
 Challenge 7.1: ratio of
atoms in a compound.
 Challenge 7.2A: How
can you tell what’s
inside
 Challenge 7.2B:
Rutherford model of
the atom
 OS9 Calculating
relative atomic mass
Check Your
Learning 7.3
 7.4 Arranging electrons worksheet
 7.4 Interactive: Electron Configuration
 7.4 video: flame test
 Electron configuration of the first 20
elements
 Electron Shell diagrams worksheet
 7.5 Atoms form ions worksheet
 Formation of ions and ionic
compounds booklet
 OS9, p163 Testing
with pH paper.
 OS9, p163 Using
plants to create an
indicator.
Check Your
Learning 7.4
& 7.5
Revise for
Test
4
5
6
Ionic
compounds
Conserving
Mass: Unit
8.1
 To understand that ionic compounds form from ions
and have an overall neutral charge
 To name ionic compounds
 To be able to calculate and write the correct chemical
formulae of ionic compounds
 To know the properties of ionic compounds
 Define reactants and products
 Describe the law of conservation of mass
 Describe the purpose of word equations
 Provide examples of word equations

 Describe the differences between word and chemical
equations
 List the information that is found in a balanced
Balancing
chemical equation
Equations:
 Explain why a chemical equation must be balanced
Unit 8.2 & 8.3
 Balance chemical equations
 Continue working through ionic
compounds booklet (no poly atomic
ions)
 Pearson Science 9
activity: making Ionic
compounds
Test revision
 8.1 Conservation of mass worksheet
 Mid topic test
 Test review
 Experiment 8.1:
Comparing mass in
chemical reactions
 Challenge 8.2:
Modelling Chemical
equations

 Challenge 8.2:
Modelling Chemical
equations
 Experiment 8.3:
Energy changes
Mid Topic
test: Atoms
and ionic
compounds
(10%)
 8.2 Balancing Chemical Equations
worksheet
 Weblink: Fundamental Chemical
Concepts
 8.3 Exothermic and Endothermic
equations worksheet
 8.3 video: Exothermic reactions
 Weblink: Endothermic reactions
7
8
9
Acids and
Bases:
Unit 8.4 & 8.5
Acids,
bases and
metals:
Unit 8.6
Revision
and Test
 Define alkalis, alkaline, indicator, litmus paper,
universal indicator, pH scale and neutral
 Describe the characteristics of acidic and basic
substances
 Provide examples of acids and bases
 Explain the structure of the pH scale – 7 is neutral, <
7 is acidic and > 7 is basic
 Relate the colour of litmus paper in acids 9red) and
bases (blue)
 Use universal indicator and litmus paper to determine
the pH of a substance
 Define neutralisation reaction
 Describe the key characteristics of neutralisation,
acid-metal carbonate and bicarbonate reactions
 Explain how the oceans are becoming more acidic
 Identify neutralisation and acid-metal carbonate and
bicarbonate reactions by the characteristic
combinations of reactants and products
 Define corrosion
 Describe the key characteristics of an acid with a
metal
 Provide examples of uses of acid-metal reactions
 Describe the processes in corrosion of a metal
 Identify acid-metal reactions by the characteristic
combinations of reactants and products
 Revise skills and content learned during term 3
 What is an acid? Worksheet
 What is a base? Worksheet
 Acids and bases all around us
worksheet
 8.4 Acid and Base Reactions
worksheet
 Acids and bases: writing word
equations worksheet
 Acids and bases balancing equations
worksheet
 8.4 Interactive: pH of common
substances
 8.5 Neutralisation reactions
worksheet
 Weblink: pH acids and bases
 Challenge 8.4: Testing
with pH paper
 Experiment 8.4: Using
plants to make
indicators
 Challenge 8.5: Making
sherbet
 Experiment 8.5:
Neutralisation
reactions

 8.6 Acid and metals reactions
worksheet
 8.6 video: Ask a scientist
 8.6 video: Reactivity of metals

 Chemistry revision booklet
 Chapter 8 Flashcard Gallery
 Highlighting and Annotating
Equations.
 Creating quizzes

Topic Test:
Chemical
Reactions
(10%)
10
Oxidation
Reactions;
Units 8.7 &
8.8
o Define oxidised, oxidation reaction, metal oxide and
 Balancing Combustion Reactions
acidic oxides
worksheet
o Describe the key characteristic of oxidation reactions
 Combustion Equation worksheet
o Provide examples of oxidation reactions in nature
 Combustion worksheet
o Relate oxidation reactions with exothermic reactions
 8.7 Oxidation reactions worksheet
 • Identify oxidation reactions by the characteristic combinations
of Reaction of oxygen with
 Weblink:
reactants and products
metals
 8.8 Combustion reactions worksheet
 8.8 video: Testing for Gases
 Combustion of
Hydrogen (demo)
 Experiment 8.7:
Oxidation of steel wool
 Challenge 8.8:
Combustion and
candles
Assessment Outline
Assessment Type
Title
Weighting
Mid-topic Test
Elements & Compounds
10%
End of Topic Test
Chemical Reactions
10%