Moon Phases, Eclipses, and Tides

Due to it's closer location to the Earth, this object has a greater influence on Earth's tides.

• The Sun
• Asteroids
• Meteoroites
• The Moon

Which best explains why the moon has phases?

• The moon’s position changes in relation to the sun and Earth.
• The sun’s position changes in relation to the moon and Earth.
• The Earth casts a shadow on the moon as it rotates.
• The moon rotates along its axis.

The same side of the moon is always visible from Earth because:

• the moon does not rotate on its axis
• the far side of the moon faces Earth during the day
• the moon makes one rotation per revolution around Earth (its rotation and revoluiton are synchronous) 
• the rate of rotation is the same for Earth and the moon.

Which of these natural events occurs at time intervals that are the most regular?

• drought and flooding
• high tides and low tides
• clear skies and cloudy skies
• hot weather and cool weather

Ocean tides of Earth are strongly influenced by the Moon. During which lunar phases are tides at their lowest on Earth?

• full and first quarter

• full moon and new moon

• last quarter and new moon

• first quarter and last quarter

This image is an example of

• Lunar Eclipse
• Full Moon
• New Moon
• Solar Eclipse

A lunar eclipse only occurs during which moon phase?

• New Moon
• 3rd Quarter
• Full Moon
• 1st Quarter

How long does it take the moon to go through all of its phases?

• 3 months
• 27-29.5 days
• 1 year
• 180 days

What moon phase is necessary for a solar eclipse to occur?

• new
• full
• first quarter
• last quarter

In what moon phases do neap tides occur?

• new and full moons
• quarter moons
• new and last quarter
• full and first quarter