Fossils and Earth History

Which process would be most effective in determining the age of fossils embedded in rock?

• relative dating
• absolute dating
• use of index fossils
• use of core sampling

Tags

NGSS.MS-ESS1-4

types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water.

• sedimentary rock

• index fossil

• metamorphic rock

• cast fossil

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Index fossils are useful for determining the relative age by ...

• a narrow time range and a wide geographic range
• a narrow time range and a narrow geographic range

Trilobite fossils are found in Cambrian rocks but not in Triassic rocks. This is best explained because ...

• Trilobites went extinct before the Triassic rocks
• fossils did not form during the Triasssic

The age of the Earth is measured in _______ of years.

• millions
• billions

Tags

NGSS.MS-ESS1-4

Many marine fossils are found in what is now desert. Which hypothesis best explains this?

• The desert was once an ocean
• Marine organisms lived on land in the past

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

A rock is formed by the cementing layers of sediment. What type of rock is formed?

• Igneous
• Volcanic
• Metamorphic
• Sedimentary

Jane is older than Fred, who is older than Rick. This is an example of ...

• Relative dating
• Law of Superposition

Where can the oldest layer be found?

• The top layer
• The middle layer
• They are all the same age
• The bottom layer

Tags

NGSS.MS-ESS1-4

How are fossils created?

• Traces of organisms get turned into stone.
• Dead organisms are quickly buried for millions of years.
• Animals get trapped.
• All of the above

Tags

NGSS.MS-LS4-1