When the Moon blocks the Sun's light

When the Earth block the sun's light from hitting the moon

Strong tides caused by a new or full Moon. High tides are very high and low tides are very low.

Weak tides caused by first and last quarter Moons. High tides are not very high and low tides are not very low.

The phase of the Moon when the entire side facing Earth is lit.

The phase of the Moon when none of the side facing Earth is lit.

When the lit portion of the moon facing Earth is getting bigger

When the lit portion of the Moon facing Earth is getting smaller

When less than half of the moon visible from Earth is lit.

What Moon phases cause neap tides?

Length of time it takes for the moon to pass through all of its phases

The moon phases that cause spring tides

length of time between high and low tides