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Spring tides occur when the sun and the moon are in line (180°) with the earth. Neap tides occur when the sun and the moon occur at right angles (90°) to the earth.
A ___ tide occurs when the sun is at right angles to te line between Earth and the moon. neap Differences in the moon's and sun's pull on different sides of the Earth cause ___.
5 Αυγ 2021 · Twice a month, when the Earth, Sun, and Moon line up, their gravitational power combines to make exceptionally high tides, called spring tides, as well as very low tides where the water has been displaced. When the Sun is at a right angle to the Moon, moderate tides, called neap tides, result.
When the Sun is at a right angle to the Moon, moderate tides, called neap tides, result. From our view on Earth, these tides coincide with certain lunar phases since they occur when the Moon reaches specific positions in its orbit.
These are called neap tides. On a more local scale, the timing, size, and speed of tides varies with the shape of the coastline, seafloor topography, river discharge, and even wind and weather conditions. For example, many areas have two, equal high tide – low tide cycles each day.
Lesson 10 describes the basic causes of tides and defines the fundamental terminology scientists use to categorize and characterize tides. Students observe tidal charts and describe reasons tides are important to humans and marine life.
