Science - during the infant/toddler years

We have introduce the words sink and float on 1.21.15 . During bath time add a few objects to the bath . One object should be heavy and one light . When you put them in the water it should be show your toddler that the heavy object sink and the lighter object is floating. You are giving your toddler science vocabulary  and this is where stem begins . Language development is  all the time.