The Sun-Earth Moon System Chapter 11 Section 1

The Sun contains more than 99% of the solar system's mass

• True

• False

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The orbit of an object around another object is called?

• rotation

• revolution

• solstice

• none of the above

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The spin of an object around its axis is called a?

• revolution

• equinox

• rotation

• solstice

An equinox occurs when

• the Earth's rotation axis is tilted directly toward or away from the Sun

• when the Earth spins around its axis.

• the Earth orbits around the Sun.

• when the Earth's rotation axis is tilted neither toward nor away from the Sun.

When the Earth's rotation axis is tilted directly toward or away from the Sun, this event is called a?

• equinox

• solstice

• waxing

• waning

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Which does Earth's rotation affect?

• change of seasons

• Earth-Sun distance

• hours of daylight

• length of month

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When the Sun, the Moon, and Earth are in a direct line, a _________can occur?

• eclipse

• equinox

• solstice

• none of the above

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The moon makes a complete orbit of the earth every ________ days?

• 29.5

• 27.3

• 30

• 45

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During the waxing part of the moon phase the moon, the lit portion of the moon becomes

• smaller

• larger

• stays the same

• none of the above

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During the waning phase of the moon, the lit portion of the moon becomes

• larger

• smaller

• stays the same

• none of the above

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