Tides 101

The gravitational pull of the moon and sun.

The highest level of the tide.

The lowest level of the tide.

<p>Tides that occur when the earth, moon, and sun are aligned and the tidal range is at its maximum.</p> Signup and view all the answers

<p>Tides that occur when the moon and sun are at right angles to the earth's orbit and the tidal range is at its minimum.</p> Signup and view all the answers

<p>Tides are the periodic rise and fall of ocean waters. They are caused by the gravitational pull of the sun and moon on the earth's oceans.</p> Signup and view all the answers

<p>Tides are considered predictable because their movements are based on the positioning of the moon and sun in relation to the earth, which do not change their patterns.</p> Signup and view all the answers

<p>The moon is the main factor that influences tides as it is closer to the earth than the sun and has the most gravitational pull.</p> Signup and view all the answers

<p>Some types of tides mentioned in the text are high tides, low tides, semidiurnal tides, diurnal tides, spring tides, and neap tides.</p> Signup and view all the answers

<p>Tides can have various effects on coastal regions, including changes in water level, erosion, and impacts on marine life.</p> Signup and view all the answers

<p>The gravitational pull of the moon and the sun on the Earth's oceans.</p> Signup and view all the answers

<p>Diurnal tides have one high tide and one low tide each day, while semidiurnal tides have two high tides and two low tides each day.</p> Signup and view all the answers

<p>Spring tides occur during the full and new moon phases. They cause higher than average high tides and lower than average low tides.</p> Signup and view all the answers

<p>Neap tides occur during the first and last quarter moon phases. They cause smaller differences between high and low tides.</p> Signup and view all the answers

<p>Tides shape shorelines, transport sand and sediment, feed estuaries, and can worsen damage and erosion caused by storm waves.</p> Signup and view all the answers