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Reversible and irreversible changes

Year 5 have been looking at reversible and irreversible changes in Science this week. We even made our own volcanoes! We mixed bicarbonate of soda with vinegar, which caused an irreversible chemical reaction. Mrs. Peel showed us how carbon dioxide was produced by placing a balloon over the end of the bottle and we watched it inflate. We were relieved that it didn’t pop and make a mess!

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