Case of the slumping pot: Properties of matter and physical change

Grade Level: 2nd


Students will consider why an ancient stone vessel leaned to one side while on display in the museum.  They will compare physical changes of stone, clay, and wax due to water or heat.  They will learn how ancient Egyptians used these materials and how modern art conservators use wax to protect and repair objects.  Students will also have the opportunity to create a wax mask.



2-PS1-4 Construct an argument with evidence that some changes caused by heating or cooling can be reversed and some cannot. 


S2P1. Obtain, evaluate, and communicate information about the properties of matter and changes that occur in objects. 

Guiding Questions:

What display conditions affected the Egyptian vessel?  

Are these conditions harmful for other objects? 

How can conservators use wax to protect objects? 

A stone vessel was leaning over on display in the museum.

Students will expose wax, clay, and stone to heat and water to compare the resulting physical changes.

Students can make a mummy mask out of sheet wax.