The Moon Has a Diameter That Is Approximately One-Fourth That

question 35

Multiple Choice

The Moon has a diameter that is approximately one-fourth that of Earth.If these objects' interiors are heated by radioactive decays and the total amount of energy in decays is proportional to the object's volume, how does the amount of internal heat the Moon has compare to that of Earth?

• A) The Moon's heating rate is 1/64 times that of Earth's.
• B) The Moon's heating rate is 32 times that of Earth's.
• C) The Moon's heating rate is 1/16 times that of Earth's.
• D) The heating rates are about the same.
• E) The Moon's heating rate is 8 times that of Earth's.

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Definitions:

Action Potential

The electrical impulse that provides the basis for the conduction of a neural impulse along an axon of a neuron.

Refractory Period

A time right after stimulation when a nerve or muscle cannot respond to additional stimulation.

Neuronal Membrane

The phospholipid bilayer that encases a neuron, allowing for the regulation of ion flow necessary for transmitting nerve impulses.

Sodium

A chemical element, symbol Na, that is a soft, silvery-white, highly reactive metal and is used in various compounds and biological functions.