The Clues Add up

What evidence from the text best shows that Amy was thinking like a detective?

• She roasted marshmallows by the fire.

• She noticed how nervous Daria seemed and listed clues in the sand.

• She helped play the Spot the Chemical Changes game.

• She asked Matt to roast marshmallows with her.

Which two main ideas are developed throughout the passage?

• Cooking food over a campfire is easy.

• Chemistry can be used to solve real problems.

• Amy pays careful attention to small clues.

• Playing games at night is the best part of camp.

Which reason best supports the idea that chemistry helped solve the mystery?

• Chemistry showed how silver tarnishes.

• Chemistry explained why marshmallows toast over a fire.

• Chemistry allowed Amy to use melting ice and plaster to catch the thief.

• Chemistry made the campfire burn more brightly.

What does the word liven most likely mean in the sentence: "How about a game to liven things up?"

• To make things more exciting

• To put people to sleep

• To clean something

• To finish something quickly

Which detail best shows the difference between Felix and Amy’s focus at the campfire?

• Felix was enjoying roasting marshmallows, while Amy was observing others’ behavior.

• Felix was worried about the missing fossils, and Amy was not.

• Amy kept roasting marshmallows while Felix went to bed early.

• Both Felix and Amy were studying chemistry experiments together.

Which quote best shows Amy’s plan was based on inference rather than something she directly saw?

• "I’m exploiting a physical change in matter as the first step in solving the case."

• "It’s just a hunch, but I think he or she might try to return the fossils to the lab tent tonight."

• "We’ll check everyone’s shoes."

• "Follow me."

Which key detail supports the idea that careful observation helped Amy?

• Amy noticed Daria looking into the darkness.

• Amy roasted her marshmallow perfectly.
  

• Amy stayed by the campfire until everyone left.

• Amy forgot her flashlight in the tent.

How does the author support the idea that chemical changes are happening everywhere at camp?

• By showing everyone playing games together

• By giving examples like burning wood, browning marshmallows, and tarnishing silver

• By focusing only on the missing fossils

• By explaining how the tents were set up

Which meaning of the word trap fits best in the sentence: "We’re setting a trap for our fossil thief"?

• A device for catching animals

• A trick or plan to catch someone

• A blocked or hidden pathway

• A type of backpack

Compare and contrast how Amy and Matt react to the idea of using chemistry to solve the mystery.

• Both are excited, but Matt is a little more worried at first.

• Amy is worried while Matt is immediately excited.

• Matt quickly comes up with the idea and Amy agrees

• Amy and Matt both think using chemistry is a bad idea at first.