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
Physical vs Chemical Change Challenge
A randomised Year 8 challenge where students classify changes, choose evidence, and correct common misconceptions about physical and chemical change.
Years 8–9ChallengePhysical and Chemical Change
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Physical vs Chemical Change 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.