What is the average cycle of ocean tides based on the gravitational forces of the moon and sun?

Prepare for the Washington Comprehensive Assessment of Science Test with flashcards and multiple choice questions. Each question offers hints and explanations to get you ready for exam success!

The average cycle of ocean tides occurs approximately every 12 hours, primarily influenced by the gravitational forces exerted by the moon and the sun. As the Earth rotates on its axis, different locations on the planet pass through the areas of higher and lower gravitational pull created by these celestial bodies. This results in the rise and fall of sea levels that we experience as tides.

In a typical tidal cycle, there are generally two high tides and two low tides within a 24-hour period. Each high tide occurs roughly every 12 hours, with the low tides occurring in between. This pattern is due to the fact that the Earth rotates beneath the tidal bulges created by the gravitational forces. Understanding this cycle is fundamental in aquatic studies, navigation, and understanding local ecosystems, as tides influence various natural phenomena and human activities.

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