What is a perigean spring tide?
Curious Kids: How does the Moon, being so far away, affect the tides on Earth?
What I learnt in Geography this week.....: Tides.....
Why are there two high tides per day? | BBC Science Focus Magazine
Earth Science for Kids: Ocean Tides
Tide Times, Charts and Tables
The Moon Causes Tides on Earth
How to Read a Tide Table | REI Co-op
newtonian gravity - Why do some location on Earth have only one tidal maximum per day instead of two? - Physics Stack Exchange
How many high tides are there per day?
Solved 1. How many high tides or peak are there a day? | Chegg.com
Tides in the Pacific Northwest
How Tides Work | ScienceBlogs
Why do some places have 2 tides a day and others 4? | Questions | Naked Scientists
Hurricanes: Science and Society: Tides
Tidal Curiosities | NOAA SciJinks – All About Weather
astronomy - Why high tides occur simultaneously on opposite sides of the Earth? - Earth Science Stack Exchange
tide | Definition, Causes, Types, & Facts | Britannica
Tidal Curiosities | NOAA SciJinks – All About Weather
What Causes Tides? | NOAA SciJinks – All About Weather
Tides | CK-12 Foundation
