Geologic Time Fossils

Relative dating of rock layers tells us that the deeper we dig, _______.

• the younger the rocks get

• the smellier the rocks get

• the harder the rocks get

• the older the rocks get

Tags

NGSS.MS-ESS1-4

Which of the following is NOT a fossil?

• old stone tools found in a cave

• baby mammoth found in a glacier

• petrified wood in the desert

• outline of a fern found in a rock

In undisturbed areas, older rock layers lie ____ successively younger rock layers.

• in between

• above

• on top of

• below

Tags

NGSS.MS-ESS1-4

Patterns in the fossil record .....

• Show us that while landforms might change, climate has remained

  unchanged over millions of years.

• Provide support for the theory of evolution

• Do not have any order to them

• Show that most organisms have stayed the same over the last million

  years.

Tags

NGSS.MS-LS4-1

Match the following

• fossil

• The ___ parts of organisms are most likely to become fossils.

• hard

• Fossils are the ____, imprints, or traces of once-living organisms preserved in rock.

• remains

• A ___ may tell a geologist when, where, and how an organism lived.

• mold

• A ___ is the cavity left behind in the rock after an organism's hard part has dissolved.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

The cross section in Figure 12-1 shows undisturbed layers of sedimentary rock. Which organism, A or B, is older?

Answer explanation

A is older because it is found in an older, deeper rock layer.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What is the Geologic Time Scale?

• old geologists

• sweet geology music

• Earth's history divided by major events and changes on Earth

• a list of every living thing ever

Tags

NGSS.MS-ESS1-4

____ dating uses the properties of atoms in rocks and other objects to find their ages.

• Comparative

• Absolute

• Approximate

• Relative

Tags

NGSS.HS-ESS1-5

which item would most likely become a fossil?

• a shark tooth

• pine needle

• large jelly fish

• a slug

Tags

NGSS.MS-LS4-1

a petrified fossil forms when

• an organism is frozen

• minerals replace all or part of an organism

• a hollow impression is left inside the sediment

• an organism becomes trapped in amber