Podcast
Questions and Answers
What is the approximate percentage of the Earth's surface covered by the global ocean?
What is the approximate percentage of the Earth's surface covered by the global ocean?
Which one of the following is NOT one of the four major Earth systems?
Which one of the following is NOT one of the four major Earth systems?
Which layer of the Earth's atmosphere contains 90% of the atmospheric layer?
Which layer of the Earth's atmosphere contains 90% of the atmospheric layer?
Which type of variable can exist in differing amounts or types?
Which type of variable can exist in differing amounts or types?
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What is the approximate thickness (radius) of the solid Earth?
What is the approximate thickness (radius) of the solid Earth?
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Study Notes
Earth's Ocean Coverage
- Approximately 71% of the Earth's surface is covered by the global ocean.
Major Earth Systems
- The four major Earth systems include the atmosphere, hydrosphere, biosphere, and geosphere.
- An example of what is NOT a major Earth system could be the cryosphere, which refers to all frozen water on Earth.
Layers of the Atmosphere
- The troposphere is the layer of the Earth's atmosphere that contains about 90% of the atmospheric mass, involving most weather phenomena.
Variable Types
- A dependent variable can exist in differing amounts or types, depending on changes made in an experiment.
Thickness of the Solid Earth
- The approximate radius (thickness) of the solid Earth is about 6,371 kilometers (3,959 miles).
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Description
Test your knowledge of Earth Science and variables with this quiz! Learn about the different types of variables and the four major Earth systems.
