Year 8 Fossils

Describes a group of living things that are no longer living.

• fossil

• extinct

• endangered

• dinosaur

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

If a scientist found a fish fossil in the desert, what does it tell us?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

What needs to happen FIRST for a fossil to form?

• Crystals grow in a hollow

• A plant or animal must die and be covered by sediment

• Sediments fill a a mold to form a cast.

• An earthquake shifts the land up.

The diagram shows layers of sedimentary rock and examples of the fossils each layer contains, Which layer contains the oldest fossils? 

• A. Layer 2
• B. Layer 4
• C. Layer 1
• D. Layer 3

Which fossil layer is the youngest? 

• A. Layer A
• B. Layer B
• C. Layer C
• D. Layer D

Scientist study the ____________________ to learn about the history of life, past environments on Earth, and how different groups of organisms have changed over time.

• fossil record

• animal record

• historical record

• Earth record

Which part of an organism's body typically fossilizes?

• Cartilage

• Skin and muscles

• Teeth and bones

• Hair and organs

What can fossils tell us about the past? (check all that apply)

• Which organisms used to live on Earth and what they looked like

• How the environment has changed

• How organisms alive today have changed and adapted over time

• How to make a sandwich

What does the Law of Superposition tell us?

• The most superior rock is the top layer of rock

• The oldest rock is the on top

• The youngest rock is on top

• The strongest rock is on the bottom