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Phase of Matter Investigations Continued…

Phase of Matter Investigations Continued…

Our Grade 8s have continued with their phase of matter experiments. Their most recent investigation involved placing a raw egg into a beaker of vinegar and leaving it for 48hrs while observing the changes each day. On the third day, they removed their egg to see what had occurred. The calcium carbonate in the shell had reacted with the acid in the vinegar to dissolve the shell, producing carbon dioxide gas (observed as bubbles). A solid had changed into a gas. The membrane of the egg remains intact, providing a rubbery covering around the raw egg inside, and as a result ~ a raw egg that can bounce! Observe the learning in action and the bouncing eggs!

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Phase of Matter Investigations Continued…

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