emilia angelillo on Instagram: "We have just finished studying the skeleton with Year 7, and we had to bend bones using vinegar! The children were amazed to see a bone bending before their eyes. But what is the science behind it? Bones are composed primarily of calcium carbonate and collagen. The calcium makes them hard, while the collagen gives them flexibility. Vinegar, being an acid, reacts with the calcium carbonate in the bone, breaking it down and leaving behind the more flexible collagen.
emilia angelillo on Instagram: "We have just finished studying the skeleton with Year 7, and we had to bend bones using vinegar! The children were amazed to see a bone bending before their eyes. But what is the science behind it? Bones are composed primarily of calcium carbonate and collagen. The calcium makes them hard, while the collagen gives them flexibility. Vinegar, being an acid, reacts with the calcium carbonate in the bone, breaking it down and leaving behind the more flexible collagen.
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