8G

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 * Unit 8G: All that glitters 3 weeks **
 * ** Topic 1: All that glitters ** ||
 * Learning objectives || Learning strategies – p 185 || Resources ||
 * * Explain the difference between atoms and molecules.
 * Describe the difference between an element and a compound.
 * Explain what a chemical formula tells me about a substance.
 * Identify an atom and molecule using particle diagrams. || * Starter: quick quiz
 * Book p 92-93: read and answer all questions
 * Word equations – worksheet 8Ga (6)
 * Book p 94-95: read and answer all equations
 * Molecules of elements and compounds: use model kits
 * Practical: iron and sulphur
 * HW: worksheets || * Quick quiz 8G
 * Exploring Science Year 8 text
 * Equipment, materials and worksheet 8Ga (4) for iron and sulphur
 * Molecular model kits
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE chemistry section || Assessment:
 * Plenary: A second look at iron sulphide || Support/extension:
 * Access: worksheet 8Ga (1)
 * Must: worksheet 8Ga (7)
 * Other: 8Ga (8) (most) or (9) and (10) (some) ||


 * ** Topic 2: Different changes ** ||
 * Learning objectives || Learning strategies – p 189 || Resources ||
 * * Explain the difference between a physical change and a chemical reaction.
 * Give an example of a chemical reaction that needs heat to start it off.
 * Describe what happens in a precipitation reaction.
 * Write word equations for chemical reactions. || * Starter: heat and change – AT video
 * Practical: Is there a reaction? Observing chemical changes
 * Split ends animation – AT animation
 * Book p 96-97
 * Demonstration: precipitation and decomposition
 * Plenary: Thinking about change
 * HW: worksheets || * AT
 * Equipment, materials and worksheet 8Gb (3) for is there a reaction
 * Equipment, materials and worksheet 8Gb (4) for demonstration of precipitation and decomposition
 * Exploring Science Year 8 text
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE chemistry section || Assessment:
 * Plenary: Thinking about change || Support/extension:
 * Access: worksheet 8Gb (1)
 * Must: worksheet 8Gb (5)
 * Other: 8Gb (6) (most)or (7) (some) ||


 * ** Topic 3: Pure dead brilliant ** ||
 * Learning objectives || Learning strategies – p 193 || Resources ||
 * * Explain the difference between a mixture and a compound.
 * Give some examples of mixtures.
 * Describe what a pure substance is.
 * Recognise elements,compounds and mixtures from particle diagrams. || * Starter: about purity – task drawing a table
 * Practical: what sort of water?
 * Thinking about mixtures – AT presentation
 * Book p 98-99: read and answer all questions
 * HW: worksheet || * Equipment, materials and worksheet 8Gc (3) for what sort of water
 * Exploring Science Year 8 text
 * AT
 * Worksheet 8Gc (6)
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE chemistry section || Assessment:
 * Plenary: pure substances and mixtures – worksheet 8Gc (6) || Support/extension:
 * Access: worksheet 8Gc (1)
 * Must: worksheet 8Gc (5) and (6)
 * Other: 8Gc (7) and (8) (most) or (9) (some) ||


 * ** Topic 4: The gold standard ** ||
 * Learning objectives || Learning strategies – p 196 || Resources ||
 * * Explain what an alloy is, and give some examples of alloys.
 * Describe some properties of gold that make it useful for jewellery.
 * Explain the meaning of the terms ‘malleable’and‘ductile’.
 * Calculate the purity of gold given suitable information. || * Starter: gold standard – AT video
 * Researching alloys
 * Book p 100: read and answer questions
 * Copper alloys – worksheet 8Gd (6)
 * HW: worksheets || * Exploring Science Year 8 text
 * Quick check 8Gd
 * Prep: worksheets 8Gd (6)
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE chemistry section || Assessment:
 * Plenary: Quick check || Support/extension:
 * Access: worksheet 8Gd (1)
 * Must: worksheet 8Gd (4) and (5)
 * Other: 8Gd (6) and (7) (most) or (8) (some) ||


 * ** Topic 5: Melt it down ** ||
 * Learning objectives || Learning strategies – p 200 || Resources ||
 * * Explain what happens at a substance’s melting, freezing and boiling point.
 * State how the melting point and the freezing point of a substance are linked.
 * Explain the effect of impurities on the melting and boiling points of substances.
 * Use melting and boiling point data to decide whether a substance is pure. || * Starter: Looking at a candle
 * Practical: freezing of pure water and salt water
 * Practical: salty ice
 * Book p 102-103: read and answer all questions
 * Changes of state – AT
 * Book p 104: read and answer all questions
 * Plenary: quick quiz revisited
 * Prep: revise for test || * Equipment for looking at candle
 * Equipment, materials and worksheet 8Ge (3) and (4) for freezing pure water and salty ice
 * Exploring Science Year 8 text
 * AT
 * 789science wikispace
 * Other worksheets: see below ||
 * Connections:
 * IGCSE chemistry section || Assessment:
 * End of unit test || Support/extension:
 * Access: worksheet 8Ge (1)
 * Must: worksheet 8Ge (6)
 * Other: 8Ge (7) (most) or (8) (some) ||