Chapter 7: "The Clues Add Up"

Last updated over 4 years ago
6 questions
1

When ice cubes slowly melt, is this a physical change or a chemical change?

1

When Tess mixed water and Plaster of Paris at the dig site, the mixture became warmer. Is this a physical or chemical change?

1

While Dr. Forester is gone, what game does Tess suggest they play?

1

Marshmallows toasting is an example of what kind of change?

1

A tarnishing ring is what type of change?

1

What "tools" was Amy going to use to help her catch the fossil thief?