What Is the Problem with Using Wood-Block-Bathtub Experiments to Explain

question 27

Multiple Choice

What is the problem with using wood-block-bathtub experiments to explain the isostasy of Earth's crust?

• A) It only works for sections of Earth's crust less than 8 km thick.
• B) It only works for sections of Earth's crust greater than 80 km thick.
• C) Wood is not a reasonable approximation for crust behavior.
• D) Bathtub water does not behave like the mantle.

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Definitions:

Diffusion

Spontaneous spreading of molecules or atoms through a fluid or gas.

Indigestible Substances

Materials that cannot be broken down and absorbed by the digestive enzymes and system of an organism, often passing through the system largely unchanged.

Entropy

Measure of how much the energy of a system is dispersed.

Energy Conversion

The process of changing one form of energy into another, such as solar energy into electricity.