NZ Curriculum · Year 8 Chemistry · Intermediate

Year 8 Chemistry Lesson Plan & Curriculum Map

The Material World (chemistry) unit from our Year 8 New Zealand Curriculum science lesson plan: classifying matter, and physical and chemical change. Week-by-week lessons for 1, 2, 3 or 4 lessons a week, showing when each pace covers this unit; a dash means that pace is on a different science unit that week. For the full year, see the Year 8 Science lesson plan.

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Year 8 Chemistry learning map

Choose a term, then compare a lighter weekly plan with a more intensive schedule.

1 day/week · steady pace2–3 days/week · guided practice
February · Classifying matter, and physical and chemical change

Year 8 Chemistry — February Lesson Plan

New Zealand Curriculum · Material World
Week1 Day/Week2 Day/Week3 Day/Week4 Day/Week
February 1st week
(Chemistry)
Review — Atoms, Elements & the Periodic Table 1. Quick review of atomic structure (protons, neutrons, electrons) from Year 7Review — Atoms, Elements & the Periodic Table 1. Quick review of atomic structure (protons, neutrons, electrons) from Year 7 2. What an element isReview — Atoms, Elements & the Periodic Table 1. Quick review of atomic structure (protons, neutrons, electrons) from Year 7 2. What an element is 3. Common elements and their symbolsReview — Atoms, Elements & the Periodic Table 1. Quick review of atomic structure (protons, neutrons, electrons) from Year 7 2. What an element is 3. Common elements and their symbols 4. Locating elements on the periodic table
February 2nd week
(Chemistry)
Review — Atoms, Elements & the Periodic Table 1. What an element isReview — Atoms, Elements & the Periodic Table 1. Common elements and their symbols 2. Locating elements on the periodic tableReview — Atoms, Elements & the Periodic Table 1. Locating elements on the periodic table States of Matter & the Particle Model 1. The 3 states of matter (solid, liquid, gas) and their particle arrangement 2. How particle motion and arrangement explain the properties of each stateStates of Matter & the Particle Model 1. The 3 states of matter (solid, liquid, gas) and their particle arrangement 2. How particle motion and arrangement explain the properties of each state 3. Changes of state (melting, freezing, evaporating, condensing) explained using the particle model 4. Practice: sketching particle diagrams for each state and change of state
February 3rd week
(Chemistry)
Review — Atoms, Elements & the Periodic Table 1. Common elements and their symbolsStates of Matter & the Particle Model 1. The 3 states of matter (solid, liquid, gas) and their particle arrangement 2. How particle motion and arrangement explain the properties of each stateStates of Matter & the Particle Model 1. Changes of state (melting, freezing, evaporating, condensing) explained using the particle model 2. Practice: sketching particle diagrams for each state and change of state Classifying Matter — Elements, Compounds & Mixtures 1. What a compound is (2+ elements chemically combined)Classifying Matter — Elements, Compounds & Mixtures 1. What a compound is (2+ elements chemically combined) 2. What a mixture is (2+ substances not chemically combined) 3. Distinguishing elements, compounds and mixtures using real examples 4. Practice: sorting 6 real substances into elements, compounds or mixtures
February 4th week
(Chemistry)
Review — Atoms, Elements & the Periodic Table 1. Locating elements on the periodic tableStates of Matter & the Particle Model 1. Changes of state (melting, freezing, evaporating, condensing) explained using the particle model 2. Practice: sketching particle diagrams for each state and change of stateClassifying Matter — Elements, Compounds & Mixtures 1. What a mixture is (2+ substances not chemically combined) 2. Distinguishing elements, compounds and mixtures using real examples 3. Practice: sorting 6 real substances into elements, compounds or mixturesRepresenting Matter — 2D & 3D Models 1. Drawing 2D particle diagrams for elements, compounds and mixtures 2. Building 3D models to represent molecules and compounds 3. Practice: representing a given substance using both a 2D diagram and a 3D model Representing Matter — Symbols & Formulas 1. Using chemical symbols to represent elements
March · Classifying matter, and physical and chemical change

Year 8 Chemistry — March Lesson Plan

New Zealand Curriculum · Material World
Week1 Day/Week2 Day/Week3 Day/Week4 Day/Week
March 1st week
(Chemistry)
States of Matter & the Particle Model 1. The 3 states of matter (solid, liquid, gas) and their particle arrangementClassifying Matter — Elements, Compounds & Mixtures 1. What a compound is (2+ elements chemically combined) 2. What a mixture is (2+ substances not chemically combined)Representing Matter — 2D & 3D Models 1. Drawing 2D particle diagrams for elements, compounds and mixtures 2. Building 3D models to represent molecules and compounds 3. Practice: representing a given substance using both a 2D diagram and a 3D modelRepresenting Matter — Symbols & Formulas 1. Writing formulas for simple molecules and compounds 2. Practice: matching symbols/formulas to their 2D/3D representations Types & Separation of Mixtures 1. Solutions, suspensions and colloids 2. Homogeneous vs heterogeneous mixtures
March 2nd week
(Chemistry)
States of Matter & the Particle Model 1. How particle motion and arrangement explain the properties of each stateClassifying Matter — Elements, Compounds & Mixtures 1. Distinguishing elements, compounds and mixtures using real examples 2. Practice: sorting 6 real substances into elements, compounds or mixturesRepresenting Matter — Symbols & Formulas 1. Using chemical symbols to represent elements 2. Writing formulas for simple molecules and compounds 3. Practice: matching symbols/formulas to their 2D/3D representationsTypes & Separation of Mixtures 1. Common separation techniques (filtration, evaporation, distillation, chromatography) 2. Practice: choosing and justifying a separation technique for a given mixture Physical Change 1. What a physical change is (no new substance formed) 2. Examples of physical changes (melting, freezing, dissolving, changes of state)
March 3rd week
(Chemistry)
States of Matter & the Particle Model 1. Changes of state (melting, freezing, evaporating, condensing) explained using the particle modelRepresenting Matter — 2D & 3D Models 1. Drawing 2D particle diagrams for elements, compounds and mixtures 2. Building 3D models to represent molecules and compoundsTypes & Separation of Mixtures 1. Solutions, suspensions and colloids 2. Homogeneous vs heterogeneous mixtures 3. Common separation techniques (filtration, evaporation, distillation, chromatography)Physical Change 1. Practice: identifying and explaining a physical change in a real scenario Chemical Change & Its Indicators 1. What a chemical change is (new substance/s formed) 2. Indicators that a chemical reaction has occurred (colour change, gas produced, precipitate formed, temperature change) 3. Comparing physical and chemical changes directly
March 4th week
(Chemistry)
States of Matter & the Particle Model 1. Practice: sketching particle diagrams for each state and change of stateRepresenting Matter — 2D & 3D Models 1. Practice: representing a given substance using both a 2D diagram and a 3D model Representing Matter — Symbols & Formulas 1. Using chemical symbols to represent elementsTypes & Separation of Mixtures 1. Practice: choosing and justifying a separation technique for a given mixture Physical Change 1. What a physical change is (no new substance formed) 2. Examples of physical changes (melting, freezing, dissolving, changes of state)Chemical Change & Its Indicators 1. Practice: identifying whether a described scenario is a physical or chemical change Energy Changes in Chemical Reactions & Investigation 1. Exothermic reactions (release energy) with real examples 2. Endothermic reactions (absorb energy) with real examples 3. Planning and conducting an investigation into indicators of chemical change, including a risk assessment
April · Classifying matter, and physical and chemical change

Year 8 Chemistry — April Lesson Plan

New Zealand Curriculum · Material World
Week1 Day/Week2 Day/Week3 Day/Week4 Day/Week
April 1st week
(Chemistry)
Classifying Matter — Elements, Compounds & Mixtures 1. What a compound is (2+ elements chemically combined)Representing Matter — Symbols & Formulas 1. Writing formulas for simple molecules and compounds 2. Practice: matching symbols/formulas to their 2D/3D representationsPhysical Change 1. Practice: identifying and explaining a physical change in a real scenario Chemical Change & Its Indicators 1. What a chemical change is (new substance/s formed) 2. Indicators that a chemical reaction has occurred (colour change, gas produced, precipitate formed, temperature change)Energy Changes in Chemical Reactions & Investigation 1. Recording and analysing the investigation's results Term 1 Assessment & Consolidation 1. Revision workshop — states of matter, classifying and representing matter 2. Revision workshop — physical vs chemical change and energy indicators 3. Term 1 assessment: matter and chemical change topic test
April 2nd week
(Chemistry)
Classifying Matter — Elements, Compounds & Mixtures 1. What a mixture is (2+ substances not chemically combined)Types & Separation of Mixtures 1. Solutions, suspensions and colloids 2. Homogeneous vs heterogeneous mixturesChemical Change & Its Indicators 1. Comparing physical and chemical changes directly 2. Practice: identifying whether a described scenario is a physical or chemical change Energy Changes in Chemical Reactions & Investigation 1. Exothermic reactions (release energy) with real examplesTerm 1 Assessment & Consolidation 1. Feedback session
The learning framework

Anatomy of a focused lesson

Each session moves from a clear focus to guided practice and a quick check for understanding.

10 minutes

Recall and connect

Open with retrieval questions that link the week’s topic to earlier learning and a real New Zealand context.

25 minutes

Model and investigate

Work through the science with diagrams, models and worked examples, then plan, carry out or analyse a short investigation.

10 minutes

Check for mastery

Close with assessment-style questions that show what is secure and what to revisit next lesson.

Student learning toolkit

Resources for Year 8 Chemistry

Concept lessons

Clear, visual lessons on each New Zealand Curriculum chemistry topic.

Practice activities

Short questions and checks matched to each week’s focus.

Science inquiry

Investigation, observation and recording skills built into each unit.

Progress notes

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