TidesTides

What are tides? Why are there What are tides? Why are there low and high tides each day?low and high tides each day?

TidesTides

• The tides are the rise and fall of The tides are the rise and fall of sea levels caused by the sea levels caused by the gravitational pull of the moon and gravitational pull of the moon and the sun as well as the spinning of the sun as well as the spinning of the Earth. the Earth.

• What causes tides?What causes tides?

Tidal RangeTidal Range

• Tidal range is the difference Tidal range is the difference between the water levels at high between the water levels at high tide and low tide.tide and low tide.

Types of Tides – Spring TidesTypes of Tides – Spring Tides

When the sun and moon are When the sun and moon are aligned, there are exceptionally aligned, there are exceptionally strong gravitational forces, causing strong gravitational forces, causing very high and very low tides which very high and very low tides which are called spring tides, though they are called spring tides, though they have nothing to do with the have nothing to do with the season.season.

Types of Tides – Neap TidesTypes of Tides – Neap Tides

When the sun and moon are not When the sun and moon are not aligned, the gravitational forces aligned, the gravitational forces cancel each other out, and the cancel each other out, and the tides are not as dramatically high tides are not as dramatically high and low. These are called neap and low. These are called neap tides.tides.

Lunar Cycle for Lunar Cycle for Spring & Neap TidesSpring & Neap Tides

Waves & TidesWaves & Tides

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