What is the primary purpose of absolute dating?

Half-Life and Radioactive Decay Concepts

Interactive Video
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Chemistry, Science, Mathematics
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9th - 10th Grade
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Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To place an actual date on an event
To predict future events
To determine the location of an event
To estimate the relative age of an event
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to determine absolute age through radioactive decay?
Carbon dating
Radiometric dating
Thermoluminescence dating
Dendrochronology
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of Carbon-14?
1,000 years
704 million years
5,730 years
10,000 years
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a rock starts with 10 grams of a parent isotope, how much remains after one half-life?
10 grams
2.5 grams
5 grams
7.5 grams
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After three half-lives, how much of the original 10 grams of parent isotope remains?
7.5 grams
5 grams
2.5 grams
1.25 grams
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with 800 grams of parent isotope, how much remains after two half-lives?
100 grams
200 grams
400 grams
600 grams
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the amount of parent isotope from a previous half-life?
Multiply by two
Divide by two
Subtract ten
Add ten
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