Radioactive dating

Radioactive dating

University

26 Qs

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Radioactive dating

Radioactive dating

Assessment

Quiz

Biology

University

Practice Problem

Hard

NGSS.HS-PS1-8, CCSS.HSF.LE.A.4, NGSS.HS-ESS2-6

Standards-aligned

Created by

Sohini Singh

Used 1+ times

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26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The time it takes for half of a radioactive element's atoms to decay is its:

Era
Half life
Relative age
Absolute age

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Index fossils are used to determine:

How old a rock layer is
How organisms in the past were related to each other
The composition of a rock layer
Which rock layers in different areas are the same age

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A geologist hiking through the woods in Ohio finds rocks containing fossils in a stream bank. The fossils look similar to animals currently living in the ocean. Which conclusion should the geologist make based on the discovery of these fossils?

Fossils washed upstream from the ocean
Animals that live in the stream today lived in the ocean long ago.
The area of the woods and stream was an ocean long ago.
The area with the stream will become part of the ocean in the future.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is 'half-life'?

The age determined by the things around it.
The age of an igneous rock.
The age determined by radioactive dating.
The time it takes for 1/2 of the radioactive atoms to decay in an element.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is radio active decay?

The preserved remains of an organism.
Atoms in an unstable element break down to form another element.
When things die and their remains are buried.
The time it takes for 1/2 of the radioactive atoms to decay in an element.

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does radio active dating works best to determine?

The age determined by the things around it.
The age of an igneous rock.
The age determined by radioactive dating.
The time it takes for 1/2 of the radioactive atoms to decay in an element.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of fossil is this?

Mold
Cast
Preserved remains
Trace fossil

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