Chemistry - Elements and Compounds - What are compounds - Elements vs Compounds
A comparison explainer with a slider showing 'BEFORE' (separate elements) and 'AFTER' (compound formed). Show 3 examples the child can tab between: Example 1 - Water: LEFT side shows hydrogen gas (H₂, flammable, lighter than air) and oxygen gas (O₂, helps burning). RIGHT side shows water (H₂O, liqui