Fossils, Mixtures, and a Mystery

What evidence shows that Kristal’s drawings were helpful to Dr. Forester?

• Kristal said she liked drawing bones.

• Dr. Forester used them to find a missing fossil.

• Kristal found the fossils by herself

• Kristal explained how to draw better.

Which two main ideas are supported by the passage?

• Fossils are found in jungles, and campers like cereal.

• Fossils form through chemical changes, and mixtures have different types.

• Kids dislike science camp, and bones are boring.

• Chemistry doesn’t relate to fossil hunting.

How is the idea that fossils form through chemical reactions supported?

• Tess gives a recipe for fossil stew.

• Dr. Forester tells a story about dinosaurs.

• Tess explains how minerals in water replaced bone material over time.

• Felix talks about his backpack contents.

What point does the author support with evidence about tea and sugar?

• That tea is healthy

• That sugar disappears forever

• That solutions are special mixtures where one thing dissolves

• That tea should not be stirred

What does the word “consolidant” mean based on the passage?

• A chemical that breaks fossils

• A glue-like solution to protect fragile fossils

• A type of cleaning solution

• A new fossil discovery

What point is the author trying to make about mixtures and solutions, and how is it supported?

• That sugar is unhealthy, supported by Dr. Forester’s warning

• That mixtures and solutions are similar, supported by the group’s breakfast.

• That scientific terms can be seen in everyday life, supported by Tess's examples with food and tea.

• That cooking is like digging for fossils, supported by Amy’s thoughts.

How are Amy and Matt similar and different in the story?

• They both ignore the missing fossil; Amy thinks about breakfast while Matt digs.

• They both are suspicious of Felix, but only Amy focuses on solving the fossil mystery.

• Matt likes science and Amy does not.

• Amy laughs at the mixture, while Matt ignores it.