Prep Test Geo Time Line

If the same types of fossils are found in two separate rock layers, it's likely that the two rock layers ____.

• formed at different times

• are part of one continuous deposit

• formed under different conditions

• none of the above

Tags

NGSS.MS-LS4-1

Determining the order of events and the relative age of rocks by examining the position of rocks in a sequence is called ____.

• absolute dating

• radiometric dating

• relative dating

• radiocarbon dating

Tags

NGSS.MS-ESS1-4

A limestone bed containing fossils that are 550 million years old is ____ a bed of sandstone containing fossils that are 400 million years old.

• younger than

• the same age as

• older than

• not related to

Tags

NGSS.MS-ESS1-4

In a series of undisturbed rock layers where shale lies between sandstone below and limestone above, the ____.

• limestone is youngest

• shale is youngest

• sandstone is youngest

• beds are all the same age

Tags

NGSS.MS-ESS1-4

If a layer of sandstone lies on top of a layer of limestone in which a 300-million-year-old fossil is found, and there are no unconformities, the layer of sandstone must be ____.

• older than 300 million years

• younger than 300 million years

• about 300 million years old

• older than 600 million years

Tags

NGSS.MS-ESS1-4

With ____ dating, a rock's exact age can be determined, whereas with ____ dating, a rock's age is compared to the ages of other rocks.

• absolute, relative

• relative, absolute

• true, absolute

• relative, approximate

Tags

NGSS.MS-ESS1-4

Identify the choice that best completes the statement or answers the question. 7. Fossils found in the bottom layers of sediment are probably older than fossils found in top layers because ____.

• the bottom layers are older than the top layers.

• the bottom layers are younger than the top layers.

• all of the layers are the same age.

• the bottom layers have folded over the top layers.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

An ideal sequence of rock layers containing all of the known fossil and rock formations on Earth is called the ____.

• geographic column

• relative column

• geologic column

• geologic sequence

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Any naturally preserved evidence of animal activity is called a(n) ____.

• trace fossil.

• cast.

• index fossil.

• mold.

Tags

NGSS.MS-LS4-1

Scientists use a fossil’s position within rock layers to determine whether the fossil is older or younger than other fossils in a process called ____.

• relative dating.

• the geologic column.

• absolute dating.

• half-life.

Tags

NGSS.MS-ESS1-4