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Fun with science

This week in 5W we have been doing irreversible and reversible changes.

We have done 2 experiments including the balloon experiment were we got a balloon filled with sodium bicarbonate with a bottle with vinegar we then fixed the balloon to the top of the bottle. The sodium bicarbonate tipped into the vinegar and the mixture formed carbon dioxide and inflated the balloon. Next we got an egg and fried it on a stove and watched it change colour from see-through to white even though the egg white was solid the yolk was still a liquid to begin with. Both of these were irreversible reactions.



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