Warm-up/Review: Determining Age

Which letter represents the youngest DEPOSITED layer?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

Which letter represents the oldest DEPOSITED layer?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

Which letter represents an igneous intrusion?

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-1

What is the correct order of events from oldest to youngest?

• D, C, E, F, B, A

• B, A, E, F, D, C

• C, D, F, E, A, B

• B, A, D, E, F, C

Tags

NGSS.MS-ESS1-4

Which layer is oldest?

• A
• W
• G
• Z

Tags

NGSS.MS-ESS1-4

If only 25% of the carbon-14 remains, how many half lives has the material been through?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-8

If a sample originally had 120 atoms of carbon-14, how many atoms will remain after 16,110 years?

• 15

• 60

• 360

• 12.5

Tags

NGSS.HS-PS1-8

The diagram below represents the current number of decayed and undecayed atoms in a sample that was originally 100% radioactive material. If the half-life of the radioactive material is 1,000 years, what is the age of the sample? (Hint: there are 32 boxes total)

• 1,000 years

• 2,000 years

• 3,000 years

• 4,000 years

Tags

NGSS.HS-PS1-8

If you have 10g at 20 minutes, how many grams of the parent atom did you start with?

• 160 grams

• 20 grams

• 10 grams

• 40 grams

• 80 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5