Absolute Dating

Presentation

•

Science

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-8, HS-ESS1-5, HS-ESS2-1

Standards-aligned

JANICE MCKENNA

Used 1+ times

FREE Resource

17 Slides • 15 Questions

Multiple Choice

Which of the following is a tool geologists use to determine the age of rocks?

Radio-Active Dating

Index Fossils

Law of Superposition

Ordering of rock layers

Multiple Choice

Which law helps geologists determine the relative ages of undisturbed rock layers?

Law of Superposition

Law of Conservation

Law of Fossils

Law of Erosion

Multiple Select

What are two main reasons for the formation of an unconformity in rock layers?

Erosion and lack of deposition

Earthquakes and volcanic activity

Flooding and sedimentation

Glaciation and uplift

Fill in the Blanks

Absolute dating is used to determine the

Type answer...

age of a fossil or rock.

Match

Match the following

Proton

Neutron

Electron

Shell

Nucleus

Drag and Drop

Radioactive decay happens when a(n)

atom will change it's nucleus to become a(n)

atom.

Drag these tiles and drop them in the correct blank above

unstable

stable

Multiple Choice

When molten rock cools, potassium-40 atoms are trapped inside. Over time, potassium-40 decays into which element?

Argon

Carbon

Helium

Sodium

Multiple Select

Which of the following statements about half-lives are correct?

Different atoms have different half-lives.

Some half-lives are more than 4 billion years old.

Scientists use half-lives to determine the age of rocks or fossils.

All atoms have the same half-life.

Multiple Choice

What is the definition of half-life?

The time needed for one-half of the parent atoms to turn into daughter atoms.

The time needed for all atoms to decay.

The time needed for atoms to double.

The time needed for atoms to become radioactive.

Dropdown

The interval of time required for

of the atomic nuclei of a radioactive sample to

is a

Multiple Choice

Which of the following was NOT a historical method of dating objects before the 20th century?

Radiometric dating

Biblical accounts

Tree rings

Varve

Multiple Choice

What is one limitation of radiocarbon dating?

It can only be used to date objects that were once living.

It can be used to date any object.

It is accurate for objects older than 4.5 billion years.

It does not use carbon isotopes.

Multiple Choice

Which radiometric dating method is best suited for determining the age of extremely old rocks?

Uranium-Lead dating

Rubidium-Strontium dating

Potassium-Argon dating

Carbon-14 dating

Multiple Choice

Which of the following is a method used in absolute dating to determine the age of rocks?

Radio-Active Dating

Law of Superposition

Ordering of rock layers

Index Fossils

Fill in the Blanks

Potassium-40 decays into

Type answer...

-40.

Show answer

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