https://oceanservice.noaa.gov/education/tutorial_tides/tides02_cause.html

National Ocean Service's Education Online tutorial on Tides and Water levels: What Causes Tides.

https://oceanservice.noaa.gov/education/kits/tides/tides02_cause.html

Gravity is one major force that creates tides. In 1687, Sir Isaac Newton explained that ocean tides result from the gravitational attraction of the sun and moon on ...

https://www.livescience.com/29621-what-causes-the-tides.html

Aug 5, 2010 ... Tides may seem simple on the surface, but the ins and outs of tides confounded great scientific thinkers for centuries they even led Galileo ...

https://www.enchantedlearning.com/subjects/ocean/Tides.shtml

Tides are periodic rises and falls of large bodies of water. Tides are caused by the gravitational interaction between the Earth and the Moon.

https://scijinks.gov/tides/

High and low tides are caused by the moon. The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its  ...

https://www.universetoday.com/39280/what-causes-tides/

Sep 6, 2009 ... Tides refer to the rise and fall of our oceans' surfaces. It is caused by the attractive forces of the Moon and Sun's gravitational fields as well as ...

https://www.youtube.com/watch?v=Ks-4lDxHIZ4

Dec 3, 2013 ... Tides are the periodic rise and fall of sea levels caused by the gravitational forces exerted by the Moon and the Sun. When there is a new moon ...

https://science.howstuffworks.com/environmental/earth/geophysics/tide-cause.htm

Oct 11, 2018 ... Tides have caused a lot of trouble recently. During high tide periods, low-lying areas that border the ocean now flood way more often than they ...

https://stardate.org/astro-guide/faqs/what-causes-tides

For the most part, the rise and fall of the tides is caused by the gravitational influence of the Moon. The Moon's gravity pulls the ocean surface upward, creating a ...

https://en.wikipedia.org/wiki/Tide

Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth.