Absolute Dating PHET Exam

Out of the 4 options which one can you date using Carbon Dating?

Out of the 4 options which one can you date using Uranium-238 Dating?

Tags

NGSS.HS-PS1-8

If an object has 50.1% Uranium-238 left inside of it, approximately how old is the object

• 4.47 Billion Years Old

• 4.47 Million Years old

• 4.47 Years old

• Not enough information to tell

• 447 years old

Tags

NGSS.HS-PS1-8

If the half life of Carbon-14 is about 5000 years and the half life of Uranium-238 is about 4 Billion years, what method would you use do date a rock?

• Carbon Dating Because Rocks are much older than Trees

• Uranium-238 Dating Because Rocks are much older than Trees

• Carbon Dating Because Trees are much older than Rocks

• Uranium-238 Dating Because Trees are much older than Rocks

Tags

NGSS.HS-PS1-8

What is a half-life?

• The amount of time it takes for half of all of a certain atom in an object to decay.

• The amount of time it takes for a substance to be reduced to half its original amount.

• The amount of time it takes for a radioactive element to emit radiation.

• The amount of time it takes for a chemical reaction to reach equilibrium.

Tags

NGSS.HS-PS1-8

Approximately how old is the Human Skull in the top layer?

• Approximately 2258 Years

• Approximately 2.6 Million Years

• Approximately 10180 Years

• 0 Years Old

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NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Approximately how old is the Wooden Cup in the top layer?

• Approximately 1006 Years

• Approximately 88.6 Years

• Approximately 3.75 Billion Years

• Approximately 15,000 Years

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NGSS.MS-ESS1-4

Approximately how old is the Rock# 3 in the bottom layer?

• Approximately 443.35 Million Years Old

• Approximately 99.3 Billion Years Old

• Approximately 1.0699 Billion Years Old

• Approximately 5280 Years Old

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

The tree has 100% Carbon-14 left in its system this means that...

• The tree is probably too young to be dated. - Less than 100 years old

• The tree is probably too old to be dated with Carbon Dating

• The tree must be dated using Uranium-238

• The tree somehow grew up without any carbon in its system

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NGSS.MS-PS1-2

How much do you think you understand everything we have learned about Absolute Dating so far?

• A Lot

• A Little

• Not Very Much

• Nothing at all

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NGSS.HS-ESS1-5

NGSS.HS-ESS1-6