Science Unit 6 Lesson 1 Fossils

What element is present in all living things?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen

Which of the following is an example of a trace fossil?

• A. A preserved leaf

• B. A footprint in rock

• C. A dinosaur bone

• D. A fossilized shell

What are the preserved remains or traces of living organisms called?

• Minerals

• Fossils

• Artifacts

• Sediments

Fossils are typically made up of which parts?

• Skin and scales

• Hard parts and soft parts

• Shells and impressions

• Bones and footprints

Which of the following are examples of an organism’s hard parts?

• Skin and feathers

• Teeth, bones, and shells

• Eyes and organs

• Scales and fur

What are examples of an organism’s soft parts?

• Bones and teeth

• Skin and organs

In which type of rock are fossils most commonly found?

• Sedimentary rock

• Igneous rock

• Metamorphic rock

• Volcanic rock

When a leaf is pressed into soft mud and leaves a hollow impression, it forms a:

• A. Cast

• B. Mold

• C. Fossil

• D. Sediment

What happens when a mold is filled with mud that hardens?

• A. A sedimentary rock forms

• B. A trace fossil forms

• C. A cast forms

• D. An impression forms

Why do scientists study fossils?

• To determine how rocks form

• To learn about ancient life on Earth

• To study modern ecosystems

• To create replicas of extinct organisms