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Chapter 7: "The Clues Add Up"

Last updated almost 5 years ago

6 questions

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Question 1

1.

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

physical

chemical

Question 2

2.

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

physical

chemical

Question 3

3.

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

Checkers

Spot the Chemical Changes

Truth or Dare

Twenty Questions

Question 4

4.

Marshmallows toasting is an example of what kind of change?

physical

chemical

Question 5

5.

A tarnishing ring is what type of change?

physical

chemical

Question 6

6.

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

tape and a net

security camera and phone

ice cubes and plaster of paris

the sheriff and Dr. Forester