Fossils and Relative Age

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 can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What needs to happen FIRST for a fossil to form?

• A plant or animal must be covered by sediment.

• A plant or animal must die and decompose.

• Sediments fill a a mold to form a cast.

• An earthquake shifts the land up.

What needs to happen SECOND for a fossil to form?

• A plant or animal must be covered by sediment.

• A plant or animal must die and decompose.

• 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

Tags

NGSS.MS-ESS1-4

Which fossil layer is the youngest? 

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

Tags

NGSS.MS-ESS1-4

Which part of an organism's body typically fossilizes?

• Cartilage

• Skin and muscles

• Teeth and bones

• Hair and organs

Tags

NGSS.MS-LS4-1

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 taco

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What does the Law of Superposition tell us?

• The most superior rock is the top layer of rock

• The oldest rock is the most top layer of rock

• The youngest rock is the most top layer of rock

• The strongest rock is the most top layer of rock

Tags

NGSS.MS-ESS1-4

_______ are the preserved remains or traces of living things.

• bones
• fossils
• artifacts
• organic matter

Tags

NGSS.MS-LS4-1