EQ: How has the Earth changed over time? 3/23/21: SWBAT..to determine the absolute age of fossils based on the remaining amount of radioactive isotope and number of half-lives. Directions: On the following two slides please do the following: 1- Complete the flowchart by filling in the boxes to indicate the percentage of carbon-14 remaining and the time that has passed at the end of each half-life. 2- On the grid construct a line graph by plotting the data for the mass of carbon-14 in the sample for each half-life shown on the data table. Connect the plots with a line. 1. Complete the flowchart below by filling in the boxes to indicate the percentage of carbon-14 remaining and the time that has passed at the end of each half-life. 100% 25 or 25 50 or 50 14C 14c Percentage at formation Percentage at end of one half-life Percentage at end of two half-lives O years x 10° years x 10° years 5.7 11.4 Time at Time at end of one half-life Time at end of two half-lives formation 2. The data table below shows the mass of a sample of radioactive carbon-14 remaining after each half-life On the grid construct a line graph by plotting the data for the mass of carbon-14 in the sample for each half-life shown on the data table. Data Table Connect the plots with a line. Number of Half-lives Mass of Carbon-14 (g) 70 64 60 1 32 50- 2 16 40- 3 4 4 30 20 6. 1 10 Number of Half-lives Answer 64 Mass of Carbon-14 (g)
EQ: How has the Earth changed over time? 3/23/21: SWBAT..to determine the absolute age of fossils based on the remaining amount of radioactive isotope and number of half-lives. Directions: On the following two slides please do the following: 1- Complete the flowchart by filling in the boxes to indicate the percentage of carbon-14 remaining and the time that has passed at the end of each half-life. 2- On the grid construct a line graph by plotting the data for the mass of carbon-14 in the sample for each half-life shown on the data table. Connect the plots with a line. 1. Complete the flowchart below by filling in the boxes to indicate the percentage of carbon-14 remaining and the time that has passed at the end of each half-life. 100% 25 or 25 50 or 50 14C 14c Percentage at formation Percentage at end of one half-life Percentage at end of two half-lives O years x 10° years x 10° years 5.7 11.4 Time at Time at end of one half-life Time at end of two half-lives formation 2. The data table below shows the mass of a sample of radioactive carbon-14 remaining after each half-life On the grid construct a line graph by plotting the data for the mass of carbon-14 in the sample for each half-life shown on the data table. Data Table Connect the plots with a line. Number of Half-lives Mass of Carbon-14 (g) 70 64 60 1 32 50- 2 16 40- 3 4 4 30 20 6. 1 10 Number of Half-lives Answer 64 Mass of Carbon-14 (g)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
Can you redo the graph on last slide
Transcribed Image Text:1:54
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Edited - HUZ...
EQ: How has the Earth changed over time?
3/23/21: SWBAT...to determine the absolute age of
fossils based on the remaining amount of radioactive
isotope and number of half-lives.
Directions: On the following two slides please do the following:
1- Complete the flowchart by filling in the boxes to indicate the percentage of
carbon-14 remaining and the time that has passed at the end of each half-life.
2- On the grid construct a line graph by plotting the data for the mass of carbon-14 in
the sample for each half-life shown on the data table. Connect the plots with a line.
1. Complete the flowchart below by filling in the boxes to indicate the percentage
of carbon-14 remaining and the time that has passed at the end of each half-life.
100%
50 or 50
25 or 25
14C
14c
Percentage at
formation
Percentage at end of
one half-life
Percentage at end of
two half-lives
O years
5.7
x 10° years
11.4
x 10° years
Time at
formation
Time at end of
one half-life
Time at end of
two half-lives
2. The data table below shows the mass
of a sample of radioactive carbon-14
remaining after each half-life
On the grid construct a line graph by
plotting the data for the mass of
carbon-14 in the sample for each
half-life shown on the data table.
Data Table
Connect the plots with a line.
Number of Half-lives
Mass of Carbon-14 (g)
70
64
60-
32
50-
2
16
3
8
3 40
4
4
30
2
* 20
6
1
10-
of
Number of Half-lives
Answer 64
(6) pl-uoquen jo ssey
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