Fossils are most common in which rock types?

all of these commonly contain fossils

What happens when a group of animals become extinct?

Only a few of its members are still living.

The animals can no longer lay eggs.

All of its members move to another place.

Some students made a model to show one of the first steps in the formation of sedimentary rock. The students pour 2 cm of light-colored sand into a clear plastic box. Then they add 1 cm of gravel. Finally, they pour 2 cm of dark-colored sand on top of the gravel. Which characteristic of sedimentary rock does this model best show?

Sedimentary rock is made of layers.

Sedimentary rock is cemented bits of rock.

Sedimentary rock is often limestone.

Sedimentary rock is common in Texas.

Fossils give us evidence about which of the following?

plants and animals that lived long ago

how weathering and erosion break down rocks

the other planets in our solar system

the transfer of energy from one form to another

Finding the fossils of trees in an area that is currently a desert without much life might tell us that the area, millions of years ago -

received enough rain to support a forest

was heavily eroded by strong winds

suffered very powerful earthquakes

was destroyed by the impact of meteorites

Why are there more animal fossils than plant fossils?

Plants have softer body parts than animals.

Plants are smaller than animals.

There were more ancient animals than ancient plants.

If scientists found this fossil, what could they infer?

that water once covered the area

what kind of animal ate this fish

Which of these must happen first for a fossil to form?

A plant or animal is covered by sediment.

Sediments fill a mold and form a cast.

Sediments are pressed together and harden.

Why are there many fossil imprints of ferns?

Once, most plants on Earth were ferns.

Ferns have changed little over time.

Ferns were larger than other ancient plants.

According to the law of superposition, the oldest fossils are found

Near the bottom of the rock layers

In the middle of the rock layers

In this rock layer diagram there are two unconformities, a fault at E and an intrusion at D. Which unconformity occurred first? How do you know?

Intrusion D occurred first because the instrusion has been moved by the fault.

The fault occurred first because it has moved the intrusion D.

Intrusion D occurred first because it can be seen in all of the rock layers.

Fault E occurred first because it is a normal fault.

How does the law of crosscutting explain the age of a fault?

The fault is younger than the rocks it cuts through.

The fault is younger than the rocks above it.

The fault is older than the rocks above it.

The fault is older than the rocks it cuts through.

The idea that sedimentary rocks are deposited in horizontal layers unless disturbed by forces within the Earth can best be explained by which principle?

Principle of original lateral continuity

The statement "Layer B is younger than layer E" can be determined by using which principle?

Principle of Cross-Cutting Relationships

What is a gap in time shown in a rock sequence?

principle of original horizontality

The best index fossils have which two traits?

widespread geographically, relatively short existence

widespread geographically, relatively long existence

Fossils, Geologic Time Scale

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-ESS1-4, MS-LS4-1, MS-ESS2-2

+7

Standards-aligned

Laura Andrew

Used 18+ times

FREE Resource

54 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The diagrams below represent rock layers found in 2 different locations by 2 different scientists. The scientist at Location X used letters to label his rock layers, while the scientists at Location Y used Roman numerals to label her layers.
The scientists both used the same colors and patterns to represent different types of rocks. They also used the same set of black and white symbols to represent specific types of fossils in the layers. By correlating layers based on fossils and rock types, the 2 scientists have discovered that certain rock layers are present in both locations.
Which layers are the same?

Layers P, Q, R, and S are the same as layers IV, V, VI and VII.

Layers T and U are the same as layers I and II.

Layers P, Q, R, and S are the same as layers I, II, III, IV.

Layers T and U are the same as layers VI and VII.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following correctly lists the layers of rock in order from youngest to oldest?

A, B, C, D, E

B, C, D, E, A

E, D, A, B, C

C, B, A, D, E

Tags

NGSS.MS-ESS1-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer is the oldest and youngest?

C and B

C and E, respectively

D and E

A and B

Tags

NGSS.MS-ESS1-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer is a result of an igneous intrusion?

B

C

D

E

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The geologic time scale is a record of....

the history of fossils only

the history of rocks

the history of rock layers and fossils

geologist notes

Tags

NGSS.MS-ESS1-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The picture is an example of...

trace fossil.

mineralization.

original fossil.

mold fossil.

Tags

NGSS.MS-LS4-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The picture is an example of .......

trace fossil.

carbonization.

original fossil.

cast.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

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Fossils, Geologic Time Scale

54 questions

Which of the following correctly lists the layers of rock in order from youngest to oldest?

Which layer is the oldest and youngest?

Which layer is a result of an igneous intrusion?

The geologic time scale is a record of....

The picture is an example of...

The picture is an example of .......

The layers in sedimentary rock are also called

Radiometric age is often referred to as __________ age.

Fossils are most common in which rock types?

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