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Science - Dissolving
We have been looking at which powders dissolve and which do not.
We made sure it was a fair test by checking the water level in the cups was the same each time, that we used the same amount of powder, and stirred it the same number of times.
We tested salt, sand and sugar.
We also asked further questions, designed further tests and checked our results against our predictions.
We made sure it was a fair test by checking the water level in the cups was the same each time, that we used the same amount of powder, and stirred it the same number of times.
We tested salt, sand and sugar.
We also asked further questions, designed further tests and checked our results against our predictions.