What is the primary focus of using stable isotopes of oxygen in climate studies?

Oxygen Isotopes and Climate Change

Interactive Video
•
Science, Geography, Chemistry
•
10th - 12th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To determine the age of the Earth
To predict future weather patterns
To understand the natural changes in Earth's climate
To measure the amount of oxygen in the atmosphere
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which isotope of oxygen is more abundant in nature?
O-18
O-17
O-15
O-16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the ratio of O-18 to O-16 help scientists understand?
The chemical composition of water
The speed of ocean currents
The historical climate changes
The density of ice sheets
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During evaporation, which oxygen isotope is taken up more into the atmosphere?
O-18
O-17
O-16
O-15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the O-16 isotope when the Earth gets colder?
It evaporates more quickly
It remains in the oceans
It is released into the atmosphere
It is tied up in growing ice sheets
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the growth of ice sheets affect the O-18 to O-16 ratio in oceans?
The ratio remains constant
The ratio increases
The ratio becomes unpredictable
The ratio decreases
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates that the climate is getting warmer?
The ice sheets grow larger
The O-18 to O-16 ratio in oceans decreases
The O-18 to O-16 ratio in ice increases
The O-16 is tied up in ice
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