Rock Dating

Rock Dating

8th Grade

11 Qs

quiz-placeholder

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Rock Dating

Rock Dating

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-ESS1-4, MS-LS4-1

Standards-aligned

Created by

Amblyn Reisetter

Used 24+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following is NOT an example of relative dating?

Rock layers G is older than rock layer F.

Rock layers C through G were folded after they formed.

Rock layers B is 270 million years old.

Rock layers A and B formed after rock layers C through G were folded.

Answer explanation

Relative dating compares the ages of rocks but doesn't give them an exact age.

Tags

NGSS.MS-ESS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Absolute dating is when...

you assume rocks form in horizontal layers.

you assume deeper layers of rock are older that the layers above them.

you analyze a rock to determine its actual age (like 300 million years old).

you assume that anything that cuts across rock layers is younger than the layers.

Answer explanation

Absolute dating gives a rock an actual estimated age, rather than just comparing it to other rocks.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

We assume that rock layer C is older than rock layer B. Why?

the law of original horizontality

the law of cross cutting

the law of superposition

an index fossil

Answer explanation

The law of superposition says that lower layers of sedimentary rock are older that higher layers.

Tags

NGSS.MS-ESS1-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is D or E older?

E is older

D is older

E and D are the same age

We can't tell from this diagram

Answer explanation

D is older because it's an igneous intrusion that cuts across layer E.

Tags

NGSS.MS-ESS1-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What rule helps us determine that D is younger than E?

The law of original horizontality.

The law of superposition.

The law of cross cutting.

The presence of an index fossil.

Answer explanation

Cross cutting says that anything that cuts across a layer must be younger than what it cuts across.

Tags

NGSS.MS-ESS1-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is layer B or layer C older?

layer B

layer C

they are the same age

there is no way to tell from this image

Answer explanation

Layer C is older because it is below layer B

Tags

NGSS.MS-ESS1-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What rule tells us that layer C is older than layer B?

the law of original horizontality

the law of superposition

the cross cutting law

an index fossil

Answer explanation

The law of superposition says that a deeper layer of sedimentary rock is older that those above it.

Tags

NGSS.MS-ESS1-4

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