What is the estimated age of Earth according to the video?

Radiometric Dating: Unveiling Earth's Age and the Secrets of Carbon-14

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

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.5 billion years
5.5 billion years
4.5 billion years
3.5 billion years
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of carbon-14?
2,730 years
10,000 years
1,000 years
5,730 years
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to carbon-14 after 5,730 years?
It completely decays to nitrogen-14
Half of it decays to nitrogen-14
It doubles in amount
It remains unchanged
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of uranium-238?
10 billion years
4.5 billion years
1 billion years
1 million years
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the coin-toss analogy, what does getting a tail represent?
An atom splitting
An atom doubling
An atom decaying
An atom remaining stable
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is radioactivity considered a random process?
Because the decay of individual atoms is unpredictable
Because it occurs at a fixed rate
Because it only occurs in certain conditions
Because it can be influenced by external factors
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a shorter half-life indicate about an isotope's radioactivity?
It is less radioactive
It is more radioactive
It is equally radioactive
It is not radioactive
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