Observing Changes In Matter

The 2nd grade ASPIRE classes participated in three mini labs focusing on how the properties of matter change when heat is added or taken away. They used Language of the Discipline to record their observations ( before, during and after) and to make predictions. They experienced:

1.  They used fresh lemon juice to write a secret message on white paper. They observed how the paper and message changed when heat was added.

2.  They observed the properties of a bar of soap then predicted what would occur when heat was added.

3.  They observed milk that had 1 1/2 table spoons of white vinegar and fresh lemon juice added. Then predicted what would happen when heat was added and then when heat was taken away ( milk cooled).