What is the half-life of carbon-14?

Carbon-14 Dating and Calibration

Interactive Video
•
Science, Biology, Chemistry
•
9th - 12th Grade
•
Hard

Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
50,000 years
1,000 years
10,000 years
5,730 years
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What assumption is made when estimating the age of a bone using carbon-14 dating?
The bone has no carbon-14
The bone is from a plant
Carbon-14 levels in the atmosphere have been constant
The bone is less than 1,000 years old
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can tree rings help in calibrating carbon-14 levels?
By measuring the thickness of the rings
By counting the number of rings
By analyzing the carbon-14 content in each ring
By observing the color of the rings
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Up to how many years can tree rings provide a record of carbon-14 levels?
10,000 years
1,000 years
50,000 years
5,000 years
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are speleothems?
Ocean sediments
Cave deposits
Tree rings
Fossilized bones
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary component of speleothems that makes them useful for carbon-14 calibration?
Calcium carbonate
Silicon dioxide
Iron oxide
Magnesium sulfate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How far back can speleothems provide a record of carbon-14 levels?
50,000 years
20,000 years
10,000 years
100,000 years
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