Phases, Eclipses, and Tides

Front

What is the duration of a lunar cycle?

Back

28 days

Front

What is the name of the moon phase when half of the moon is lit on the left side?

Back

3rd quarter

Front

When do neap tides occur?

Back

During the 1st and 3rd quarters of the moon.

Front

What moon phase comes right before the new moon?

Back

Waxing Crescent.

Front

What does it mean when the moon is described as 'waning'?

Back

The light is 'shrinking' or decreasing illumination, with light coming from the left.

Front

What is a full moon?

Back

A phase of the moon when it is fully illuminated as seen from Earth.

Front

What is a new moon?

Back

A phase of the moon when it is not visible from Earth because it is between the Earth and the Sun.

Front

What causes tides on Earth?

Back

The gravitational pull of the moon and the sun on Earth's oceans.

Front

What is a spring tide?

Back

A tide that occurs during the full moon and new moon, resulting in higher high tides and lower low tides.

Front

What is the difference between a neap tide and a spring tide?

Back

Neap tides occur during the 1st and 3rd quarters of the moon, resulting in lower high tides and higher low tides, while spring tides occur during full and new moons, resulting in higher high tides and lower low tides.