Acids, Bases, pH & Neutralisation Investigation
A guided Year 9 investigation where students read the pH scale, use indicators, connect acids and bases to H⁺ and OH⁻ particles, and model neutralisation as salt and…
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Chemistry · Chemical Reactions
Chemical Reactions & Conservation Challenge
A randomised Year 9 challenge where students use particle models and equations to identify reactants and products, compare atom counts, and justify why atoms are conserved in chemical reactions.
Years 9–10ChallengeChemical Reactions and Conservation of Atoms
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Chemical Reactions & Conservation Challenge is one of the licensed interactives in The Education Universe. This page describes it; teachers use it in lessons and classes with a licence or the free trial.