I. Introduction
- Explain the concept of half-life
- Example of carbon-14 and its half-life of 5,700 years
II. Main Body
Item 1: Half-life Calculation
- Explain that to calculate the amount of carbon after a certain period of time, the half-life needs to be taken into account
- Breakdown the process of calculating the amount of carbon remaining after 5,700 years
Item 2: Initial Amount of Carbon
- State that the sample of wood initially had 20 grams of carbon-14 when it was alive
Item 3: Calculation Results
- Present the options for the amount of carbon remaining after 5,700 years
- Explain that one option is correct and the others are incorrect
Item 4: Correct Answer
- Provide the correct answer and explain why it is correct
- Emphasize the importance of understanding and using half-life calculations in determining the age of rocks and fossils
III. Conclusion
- Recap the concept of half-life and its application in absolute dating
- Highlight the significance of accurate age determination in geological and paleontological studies.
OUTLINE
JURSE TOOLS
Absolute Age of Rocks and Fossils Quick Check
3 of 4 pa
Use this paragraph: The half-life of carbon-14 is 5,700 years. A certain sample of wood has 20 grams of carbon-14 when it is alive.
Item 1
Item 2
How many grams of carbon will it have after 5,700 years?
ltem3
(1 point)
自
Item 4
• 2 grams
O 10 grams
• 40 grams
• 5 grams
1 answer