Phases of the Moon and Their Effects

What is the primary reason the moon appears to change shape in the night sky?

• The moon's surface changes.

• The moon reflects varying amounts of sunlight.

• The Earth's shadow covers the moon.

• The moon emits its own light.

During which phase is the moon positioned between the Earth and the sun, making it invisible from Earth?

• First Quarter

• New Moon

• Waning Crescent

• Full Moon

What is the term used to describe the moon when more than half of it is illuminated but not yet full?

• Eclipse

• Quarter

• Gibbous

• Crescent

What does the term 'waning' signify in relation to the moon's phases?

• The moon is getting larger.

• The moon is at its brightest.

• The moon is getting smaller.

• The moon is stationary.

Which phase follows the waning crescent in the moon's cycle?

• New Moon

• First Quarter

• Waxing Gibbous

• Full Moon

How often does the moon complete its cycle of phases?

• Every 45 days

• Every 15 days

• Every 29.5 days

• Every 60 days

What are the tides called when the sun, moon, and Earth are aligned during the full and new moon phases?

• Low Tides

• Neap Tides

• High Tides

• Spring Tides

What effect do the moon's phases have on Earth's tides?

• They cause tides to be higher and lower.

• They have no effect.

• They only affect tides during a full moon.

• They only affect tides during a new moon.

During which phases are the sun and moon at right angles, leading to weaker tides?

• Waxing Crescent and Waning Crescent

• First Quarter and Third Quarter

• New Moon and Full Moon

• Waxing Gibbous and Waning Gibbous

What is the significance of the moon's gravitational pull on Earth?

• It causes earthquakes.

• It has no effect on Earth.

• It affects the ocean's tides.

• It changes the Earth's orbit.