Benchmark review

What does this diagram tell you about different time periods? Select all that apply

• the actual length of time for each one

• the order in which they occured

• the length of the time they last in relation to each other

Tags

NGSS.MS-ESS1-4

Which statements correctly describe the geologic time scale? Select all that apply.

• it is devided into equal periods of time

• it is divided based on the evidence in the fossil record

• some events are arranged according to rleative dates

• it is divided based on evidence in rock record

Tags

NGSS.MS-ESS1-4

Complete the blanks to explain the relative ages of the rocks shown in the photograph.

Complete the paragraph to explain the relative ages of the rocks shown in the photograph.

The rock layers in this photo were laid down horizontally and are undisturbed. Therefore, you can conclude that the top white layer is __________ than the middle red layer, and that the thick brown layer on the bottom is the_________________ of the layers shown here.

Tags

NGSS.MS-ESS1-4

An extremely thin layer of volcanic ash is found between the white layer on top and the thin red layer in the middle. Absolute dating showed that the ash is about 43 million years old. What can you conclude based on this information? Select all that apply.

• A. The top white layer is also volcanic.

• B. The middle layer is also about 43 million years old.

• C. The top white layer is younger than 43 million years old.

• D. The bottom brown layer is older than 43 million years old

Tags

NGSS.MS-ESS1-4

Select the right statement which describe the relationship between past and present geologic processes, rock types, and past environments.

• Geologic processes that

  happened in the past

  are studied to learn how Earth changed in the past.

• Geologic processes that

  happen today

  are studied to learn how Earth changed in the past.

• Geologic processes that

  no longer ccur

  are studied to learn how Earth changed in the past.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Select the right word

rocks can give clues about past

• environment

• humans

• planets

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

What can you infer from the rock record and the fossil record? Select all that apply.

• the absolute ages of all fossils

  
  

• how life has changed over time

• how environments have changed over time

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The geologic timescale is used to organize Earth’s long history. Why do you think scientists need to organize Earth’s history into a time scale?

• A.It makes it easier to divide Earth’s past into equal periods of time.

• B. It makes it easier to study Earth’s long geologic past.

• C. It makes it easier to understand geologic events that no longer occur.

Tags

NGSS.MS-ESS1-4

Which rock layer or feature of the cliff in the photo formed most recently?

• A.the thick black rock layer at the top

• B. the fault running through the center

• C. the white rock layer near the bottom

• D. the gray rock layer at the very bottom

Tags

NGSS.MS-ESS1-4

Which of the following questions could be answered from the information in the photo? Select all that apply.

• A.Which is the oldest rock layer?

  ?

• B. When did the oldest rock layer form?

• C. What are the relative ages of the rocks?

• D. What is the absolute age of the most recent layer?

• E. What year did the fault form

Tags

NGSS.MS-ESS1-4