(Sense of touch) put different objects in balloons and have the children guess what each one is. Then, open them up to see what it is. (Tie with elastics so it is easier to open.) To further the lesson, make a chart of prediction and result.
Science is all about using your senses to conclude those questions we all have! Stimulate your childs sense of smell with this cool smelling activity! Try it blind folded and really get your brain working!