Question

Purpose: Does the amount of stirring affect the rate at which slat dissolves in water?

Hypothesis: If I increase the amount of _______ then the salt will dissolve ________.

What is the
Independent variable: __________

Dependent variable: __________

And 3 control variables:

1. ____________

2.____________

3.____________

Answer 1

Hypothesis: If i increase the amount of stirs then the salt will dissolve faster

Independent: variable the amount of times you stir the liquid or rate at which you stir the liquid

dependent variable: the rate at which the salt dissolves

Materials: beaker, water, salt, and stir rod