Front

The diagram shows different layers of sedimentary rock. Each layer is labeled with a letter.

Which statement is correct?

• The left part of Layer B is younger than the right part.
• The left part of Layer F is the same age as Layer M.
• Layer R is older than Layer M.
• Layer I is older than Layer B.

Back

Layer I is older than Layer B

Tags

NGSS.MS-ESS1-4

Front

Which formation in this geological map is youngest?

Back

2

Tags

NGSS.MS-ESS1-4

Front

A fossil discovered in Colorado dates from the early Mesozoic era. A year later a similar fossil is found in Wyoming that also dates from the early Mesozoic era. These two organisms most likely lived in:

Back

the same environment at about the same time.

Tags

NGSS.MS-LS4-1

Front

Which of these provides the BEST evidence that the distribution of Earth’s oceans has changed over time?

• hot spots on ocean floors
• seismic activity along plate boundaries
• sediment buildup on continental slope
• marine fossils found on land masses

Back

marine fossils found on land masses

Tags

NGSS.MS-LS4-1

Front

A scientist finds Trophite fossils. According to the chart above, in what era and period was this rock layer deposited? Options:

Cenozoic era; Tertiary period

,

Mesozoic era; Triassic period

,

Paleozoic era; Permian period

,

Paleozoic era; Mississippian period

Back

Mesozoic era; Triassic period

Tags

NGSS.MS-ESS1-4

Front

Which method would be BEST for scientists to use to determine the absolute age of a Precambrian igneous rock? Options: Index fossils, law of superposition, radiometric dating, law of original horizontality

Back

radiometric dating

Front

Method to determine the relative age of rock layers based on a diagram.

Back

the law of superposition

Tags

NGSS.MS-ESS1-4

Front

Which environmental condition MOST likely existed at the time a fossil formed?

Back

Organism remains were buried with little oxygen.

Front

Which type of fossil is BEST to use to determine the age of the rock layer in which the fossils are found?

Back

index fossil

Tags

NGSS.MS-ESS1-4

Front

Which of the following BEST describes the fossil at Point 3 when compared with the fossils at Points 1 and 2? Options: The fossil at Point 3 is less common, The fossil at Point 3 is smaller, The fossil at Point 3 is older, The fossil at Point 3 is more complex

Back

The fossil at Point 3 is older.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1