12.1 Quiz - Determining Ages of Rocks
Authored by Jordan Sweeney
Science
6th Grade
NGSS covered
Used 506+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term describes a gap in the geologic record that occurs when sedimentary rocks cover an eroded surface?
extrusion
fault
intrusion
unconformity
Tags
NGSS.MS-ESS1-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term describes the time it takes for half of a radioactive element's atoms to decay?
absolute age
half-life
radioactive decay
relative age
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes one rule for determining the relative age of a rock layer?
A fault is always younger than the rock it cuts through.
An extrusion is always older than the rocks below it.
An index fossil is always younger than the rock layer is occurs in.
An intrusion is always older than the rock layers around it.
Tags
NGSS.MS-ESS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following conclusions can geologists draw about a limestone rock layer based on the law of superposition?
The limestone layer is 2 million years old.
The limestone layer contains 2 million fossils.
The limestone layer is younger than the sandstone layer below it.
The limestone layer is the same age as another layer 100 kilometers away.
Tags
NGSS.MS-ESS1-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A geologist finds an area of undisturbed sedimentary rock. Which layer is most likely the oldest?
lowest layer
middle layer
highest layer
Tags
NGSS.MS-ESS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Radioactive dating is a method used by geologists to determine the _____ age of rocks.
absolute
relative
general
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The preserved remains or traces of an organism that lived in the past.
fossil
radioactive decay
relative age
absolute age
Tags
NGSS.MS-LS4-1
NGSS.MS-LS4-2
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