Chapter 6 Unit 9

What was the mood at the breakfast table when Amy arrived, and why? (Page 35)

• Everyone was excited because they had found new fossils.

• The group was tense and quiet because something bad had happened.

• Dr. Forester was angry at the campers for not waking up on time.

• Amy and Matt were arguing over breakfast.

What happened to the fossils that Dr. Forester had been working on? (Page 35-36)

• They were destroyed in a storm.

• Someone took them during the night.

• They were accidentally buried in the excavation site.

• The fossils were moved to a museum for safekeeping.

Why does Dr. Forester believe that fossil thieves were responsible for the missing fossils? (Page 36)

• She found a note from the thieves.

• There were tire tracks leading away from the camp.

• Fossil thieves often steal from dig sites, and the fossils were gone without a trace.

• She saw the thieves taking the fossils during the night.

What clue does Felix bring up about a suspicious vehicle, and why does he think it might be connected? (Page 36)

• He saw the vehicle parked near camp all night.

• The vehicle had been following them for days.

• The vehicle seemed suspicious and might have belonged to the thieves.

• ) He recognized the vehicle from a wanted poster

How does Amy approach solving the mystery of the missing fossils? What does she do to look for clues? (Page 37-38)

• She searches the area around camp for footprints and tire tracks.

• She questions all of her fellow campers.

• She calls the police for help.

• She stays at camp and waits for the thieves to return.

Describe the snake encounter between Amy and Julian. How does Julian help her? (Page 38-39)

• Julian scares the snake away by shouting loudly.

• Julian carefully picks up the snake and moves it.

• Julian throws a rock near the snake to make it slither away.

• Julian runs to get Dr. Forester for help.

What conclusion does Amy reach after failing to find footprints or tire tracks? (Page 39)

• The storm must have washed the tracks away.

• The thieves used a helicopter instead of walking.

• The thief must have been someone from their own group.

• The thieves covered their tracks very well.

What process do Dr. Forester and Tess demonstrate for safely removing fossils from rock? (Page 39-41)

• They use dynamite to break apart the rock.

• They dig the fossils out with their bare hands.

• They use a technique called trenching to create a rock pillar beneath the fossil.

• They freeze the rock to make it easier to chip away

What does Tess explain about physical and chemical changes when discussing plaster of Paris? (Page 41)

• A chemical change occurs when the plaster hardens, creating a new substance.

• A physical change happens when the plaster dries and evaporates.

• The plaster of Paris stays in a liquid state forever.

• The process of mixing plaster and water does not cause any changes.

Why is Dr. Forester planning to visit the sheriff, and what does Felix say in response? (Page 42)

• She wants to report the missing fossils, and Felix jokes that the thieves should be scared.

• She wants to ask the sheriff to protect the camp, and Felix volunteers to go with her.

• She wants to hire the sheriff to guard their next fossil excavation, and Felix agrees.

• She wants to tell the sheriff about Julian’s actions, and Felix thinks it’s a bad idea.