Tides: Moon and Sun

Social Science
Class 9
3D model
English · Hindi

Tides: Moon and Sun: a 3D model for Class 9 Social Science, covering Tides are the regular rise and fall of the sea, caused mainly by the Moon’s gravitational pull on the oceans., Water bulges toward the Moon, and a second bulge forms on the far side, so most coasts get two high tides a day., As the Earth turns, a coast passes through both bulges in about 24 hours 50 minutes: two highs and two lows., Spring tides are the highest and lowest tides, when the Sun, Moon and Earth are in a line at new and full moon., Neap tides are the smallest, when the Moon is at right angles to the Sun, at the first and last quarter..

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Also called

tides · high tide · low tide · spring tide · neap tide · tidal bulge · gravitational pull of the Moon · two high tides a day · new moon · full moon · quarter moon · ocean tides · tidal range · Sun Moon Earth in a line · ज्वार-भाटा · बृहत् ज्वार · लघु ज्वार · चंद्रमा

Topics

Tides are the regular rise and fall of the sea, caused mainly by the Moon’s gravitational pull on the oceans.
Water bulges toward the Moon, and a second bulge forms on the far side, so most coasts get two high tides a day.
As the Earth turns, a coast passes through both bulges in about 24 hours 50 minutes: two highs and two lows.
Spring tides are the highest and lowest tides, when the Sun, Moon and Earth are in a line at new and full moon.
Neap tides are the smallest, when the Moon is at right angles to the Sun, at the first and last quarter.
The Sun also pulls on the oceans, but at less than half the Moon’s strength because it is so much farther away.
Spring and neap tides each come twice a month, about a week apart, as the Moon circles the Earth.
High tides let ships enter shallow harbours, and the rise and fall of the tide can be used to generate electricity.

About this model

A GLB file of about 193 KB, shown in Lably's 3D viewer and, on a phone, placed in your room with AR. Credit: Model, science and animation: Lably (built procedurally with three.js; no downloaded meshes). | CC BY 4.0. Original geometry and animation made for Lably.

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