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3

Temporary or permanent?

Auto-markingPencil and paperOnline interactive
Keywords: 
changes
permanent changes
temporary changes
vocabulary
Task: Complete two sentences. Assessment focus: definitions of permanent and temporary change.
5

Lemon juice reactions

Pencil and paperOnline interactive
Keywords: 
chemical change
permanent changes
physical changes
temporary changes
A description of two 'reactions' with household chemicals is outlined. For each students identify if the reaction is chemical or physical and provide an explanation for their answer.