Earth's History: Fossils

Front

What can fossils provide evidence of?

Back

Fossils can provide evidence of how life has changed over time, how Earth's surface has changed, and clues about what past environments were like.

Tags

NGSS.MS-LS4-1

Front

What is the principle that Earth's processes occurring today are similar to those that occurred in the past?

Back

Uniformitarianism.

Front

What process uses the properties of atoms in rocks to determine their ages?

Back

Absolute dating.

Tags

NGSS.MS-PS1-1

Front

What is a cavity in a rock made when an organism decayed called?

Back

Mold.

Front

Which rock layer formed first: Rock Layer W, X, Y, or Z?

Back

Rock Layer Z.

Tags

NGSS.MS-ESS1-4

Front

What is the term for the preserved remains of an organism?

Back

Original remains.

Tags

NGSS.MS-LS4-1

Front

What is the difference between relative dating and absolute dating?

Back

Relative dating determines the order of events, while absolute dating provides a specific age.

Front

What are unconformities in geology?

Back

Unconformities are gaps in the geological record that indicate periods of erosion or non-deposition.

Tags

NGSS.MS-ESS1-4

Front

What is the significance of the Law of Superposition?

Back

In undisturbed rock layers, the oldest layers are at the bottom and the youngest are at the top.

Tags

NGSS.MS-ESS1-4

Front

What type of fossil forms when minerals fill in the mold of an organism?

Back

Cast.