Earth, Moon, and Sun Relationship

When are tides highest?

• during the moon’s first quarter phase

• when the sun, Earth, and the moon are nearly in a line

• during the moon’s third quarter phase

• when the moon is at a right angle to the sun

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When does a spring tide happen?

• When the moon is in the first quarter

• When the sun’s rays are most intense

• When the sun, moon, and Earth are all lined up

• When the sun and moon form a right angle with Earth

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How does the position of the moon affect ocean tides?

• The side of Earth facing the moon and the opposite side have the highest tides.

• The highest tides always occur when the moon is in its first quarter and third quarter phases.

• The side that is furthest away from the moon experiences the least gravitational pull and has the lowest tides.

• The tides correspond to the angles of Earth and the moon so the highest tides are when they are at 90°.

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From new moon phase to full moon phase, you see

• an increasing amount of the lit side of the moon.

• a decreasing amount of the lit side of the moon.

• the same amount of the lit side of the moon.

• more of the lit side, then less of the lit side of the moon.

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You are less likely to see a total solar eclipse than a total lunar eclipse because

• the moon’s shadow covers all of Earth during a solar eclipse.

• new moon phases occur less often than full moon phases.

• only people on the daytime side of Earth can see a solar eclipse.

• the moon’s umbra only covers a small area on Earth’s surface.

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During a total lunar eclipse the moon is in Earth’s

• corona.

• penumbra.

• umbra.

• orbit.

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What are the phases of the moon?

• The repeating pattern of night and day

• The monthly pattern of lunar and solar eclipses

• The sequence of seasons the moon causes on Earth

• The different shapes of the moon as seen from Earth

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One complete revolution of Earth around the sun takes about

• 24 hours.

• 250 days

• 365 days

• 6 months.

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Because the moon rotates once for each revolution around Earth,

• you see some phases more than others.

• a different side of the moon faces Earth each day.

• you never see the far side of the moon from Earth.

• the far side of the moon is visible only during the full moon phase.

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During what phase of the moon can a lunar eclipse occur?

• new moon

• first quarter

• waxing gibbous

• full moon

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