Phases of the Moon
When the range between tides when the high tides are higher than usual and the low tide is lower than usual
What is a spring tide?
When the range between tides is at is lowest point in a 28 day period usually occurring twice.
What is a neap tide?
Why does the moon have a greater effect on the tides than the Sun.
The moon is much closer to Earth than the Sun
What Moon phases cause neap tides?
What is first or last quarter moon