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2/2 Questions and answers in two ability levels to suit 7- to 18-year-olds. Available as slides, handouts and posters. Download the resources via https://t.co/R3RZHEXwYS. @STEMLearningUK @theASE @pstt_whyhow @Statwars_ @GreatSciShare @STEMLearning_AS @knowles_becca