Yesterday in Room 5 we've been dissolving.My group was using coffee.The hot water dissolved the coffee super fast.The cold water just did nothing.We mixed the hot and cold water together.The teacher said it had to be fair testing. We measured to see if it was the same amount of coffee. The coffee in the cold water looked like coke.We got 2 plastic cups. The cold water made coffee all bubbly.
Amy
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