A Solar or Lunar Eclipse Will Occur

question 6

Multiple Choice

A solar or lunar eclipse will occur

• A) when the sun is near the line of nodes of the moon, and the moon is new or full.
• B) any time the moon is new or full.
• C) when the sun is near the solstice, and the moon is new or full.
• D) half-way through an eclipse year.
• E) when the sun is near the equinox, and the moon is new or full.

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Definitions:

Circadian Rhythm

An innate, internal method that arranges the sequence of sleep and wakefulness, occurring approximately every 24 hours.

Hypnagogic Sensations

Experiences occurring at the onset of sleep, including visual, auditory, or physical sensations that can seem vividly real.

Alpha Wave

A type of brainwave detected by an EEG that occurs when a person is relaxed, but alert, typically with closed eyes.

Sleep-Inducing Hormone

Melatonin, a hormone produced by the pineal gland that regulates sleep and wakefulness.