A scientist finds an index fossil in layers of rock in both Africa and South America. What does this indicate about the ages of rocks?

The rocks are approximately the same age.

The South American rock is older.

The rocks are younger than the fossils.

Which part of Earth's history is best shown by analysis of ice cores?

changes in the amounts of precipitation

changes in the formation of rock layers.

A scientists finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones?

the index fossils in the area of the bones.

the birds living in the area of the bones

the weather conditions in the area of the bones.

the kinds of trees living in the area of the bones.

Which statement best describes the Law of Superposition?

In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.

each sedimentary layer of rock represents 1,000 years of Earth’s age, much like the rings of a tree.

In undisturbed layers of sedimentary rock, the upper rock layers are older than the lower rock layers.

Rocks that form near volcanoes are older than surrounding rock.

How do scientists know that some mountains were once at the bottom of an ocean?

marine fossils have been found on the peaks of some mountains.

freshwater rivers flow to the ocean.

saltwater fish are found in some mountain streams.

dinosaur bones have been discovered in the mountains.

Which best describes how ice cores are important to the study of geologic history?

they contain evidence showing changes in the atmospheric composition over time.

they show unconformities, which signal changes in deposition.

they hold index fossils, which are used to date the different ice cores.

they follow the Law of Superposition, which gives reasons for extinctions of species.

Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could best be concluded from this evidence?

dinosaurs lived on Earth before the mammals.

dinosaurs were eaten by the mammals.

Which chemical compound is found in an ice core sample?

no compounds are found in ice cores

Which best represents the purpose of ice core drilling?

to determine the relative age of fossils

What role do faults play in the Law of Superposition?

faults are younger than the layers they cut through.

faults create new types of rocks.

faults are the same age as the layers they cut through.

faults are older than the layers they cut through.

What are trace fossils?

fossilized tracks or other evidence of an organisms activity

Why are index fossils used as guides to determine the age of rocks?

each index fossil lived during a specific geologic time period.

all index fossils lived during all the periods of geologic time.

index fossils are very rare and not commonly found in rocks.

index fossils are found in igneous rocks.

8.E.2 Earth History

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-ESS1-4, MS-LS4-1, MS-ESS2-3

Standards-aligned

Linda Tugurian

Used 908+ times

FREE Resource

Student preview

24 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is used in radioactive dating?

carbon-14

index fossils

hydrochloric acid

law of superposition

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the fossil record best support?

the Theory of Biological Evolution

the Law of Superposition

the Theory of Geological Evolution

Newton's 1st Law

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do earthquakes tell scientists about the history of the planet?

earth’s climate is constantly changing.

the continents of Earth are continually moving.

Dinosaurs became extinct about 65 million years ago.

The oceans are much deeper today than millions of years ago.

Tags

NGSS.MS-ESS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which idea does evidence found in sedimentary rocks best support?

most organisms from Earth's history still exist.

Organisms have not changed significantly over time.

All organisms from Earth's history have become extinct.

organisms have evolved from simple to complex forms.

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is evidence most often found to represent a record of Earth's history?

air, lava, and fossils

water, air, and rocks

lava, water, and ice cores

rocks, fossils, and ice cores

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the best predictor of the relative age of a layer of rock?

thickness of the layer

position of the layer

length of the layer

size of the layer

Tags

NGSS.MS-ESS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process most likely accounts for the major increase in atmospheric carbon dioxide over time?

increased deforestation

decreased deforestation

increased use of fossil fuels

decreased use of fossil fuels

Tags

NGSS.HS-LS2-5

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8.E.2 Earth History

24 questions

Which is used in radioactive dating?

What does the fossil record best support?

What do earthquakes tell scientists about the history of the planet?

Which idea does evidence found in sedimentary rocks best support?

Where is evidence most often found to represent a record of Earth's history?

Which is the best predictor of the relative age of a layer of rock?

Which process most likely accounts for the major increase in atmospheric carbon dioxide over time?

A geologist found 600-year-old sediments below a particular rock layer. Which will the geologist most likely find above the rock layer?

A scientist finds an index fossil in layers of rock in both Africa and South America. What does this indicate about the ages of rocks?

Which part of Earth's history is best shown by analysis of ice cores?

Access all questions and much more by creating a free account

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