When ice cubes slowly melt, is this a physical change or a chemical change?
When Tess mixed water and Plaster of Paris at the dig site, the mixture became warmer. Is this a physical or chemical change?
While Dr. Forester is gone, what game does Tess suggest they play?
Marshmallows toasting is an example of what kind of change?
A tarnishing ring is what type of change?
What "tools" was Amy going to use to help her catch the fossil thief?