How do tides work?

Answer 1

Tides are produced by gravity from the Moon and the Sun - especially the Moon. The part of the Earth that is nearer the Moon is attracted more strongly than the part that is away from the Moon.

Answer 2

Tides are created by the Gravitational pull of the moon and the sun. High tide and low tide are 6 hours apart. There are 2 high tides and two low tides during the 24 hour period. When the moon and the sun are in line there are super high tides and super low tides, these are called spring tides. As the earth spins the places that are closest to the moon and furthest away from the moon experience high tide.

Answer 3

Tides are created because the Earth and the moon are attracted to each other, just like magnets are attracted to each other. The moon tries to pull at anything on the Earth to bring it closer. But, the Earth is able to hold onto everything except the water. Since the water is always moving, the Earth cannot hold onto it, and the moon is able to pull at it. Each day, there are two high tides and two low tides. The ocean is constantly moving from high tide to low tide, and then back to high tide. There is about 12 hours and 25 minutes between the two high tides.Tides are the periodic rise and falling of large bodies of water. Winds and currents move the surface water causing waves. The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon. Another bulge occurs on the opposite side, since the Earth is also being pulled toward the moon (and away from the water on the far side). Ocean levels fluctuate daily as the sun, moon and earth interact. As the moon travels around the earth and as they, together, travel around the sun, the combined gravitational forces cause the world's oceans to rise and fall. Since the earth is rotating while this is happening, two tides occur each day.
The moon causes tides when it pulls on the Earth's waters, causing water to build up on the axis. As the moon revolves around the earth, the tides are be lower when the moon is on the other side of the earth. When the moon is the closest to you, the moon's gravitational pull will make the tides rise.

The ocean follows the tide, but, imagine the earth as a sphere, and the water as a three dimensional ellipse. One of the peaks of this ellipse is following the moon, and the other is on the other side of the world. The moon creates two high tides at once.

That's because the Earth itself is always moving, and it can't properly hold onto the water the same way it can hold onto everything else.

The sun causes tides, too, but its influence is weaker than that of our much closer companion, the moon.

Low tides are on the sides where there is no pull. High tides and low tides occur twice each day anywhere in the world.

All objects with mass exert the force of gravity on their neighbors. With you and me, that force of gravity is tiny, but with large objects like the Earth, Moon, and Sun, there is a lot of gravity force being exerted on other objects, including each other.

The two factors that matter are the distance the objects are apart and the mass of the objects. Because water flows it is more easily moved by this force and as the earth rotates the bulges of water stay nearest (and farthest) from the moon.

You could say that the tides stay in the same place and the earth moves under them.

If a straight line is drawn from the center of the moon to the center of the earth and extended to the other side of the earth, the imaginary line intersects the earth surface at exactly two places. These two spots will be where the tidal pull from the moon being the greatest at that time -- hence, two tidal bulges. As the moon orbits to a new spot, the imaginary line will move to a new location. Please check Fig. 6 and the associated section titled "forces" in the related link.

Tides are caused by both the Sun and The Moon. Tides are the result of both Gravity and momentum.

Gravity attracts objects. This causes water on the Earth to rise up on the side of Earth facing the Sun and the Moon.

Momentum tries to continue in the same direction. This causes water on the opposite side from the Sun and the Moon to rise up and keep going in the direction it was going as Earth turned away in response to the Sun's and the Moon's gravity.

The Earth is also rotating. This brings different areas of the surface into line with the directions of gravity and momentum. To observers on the Earth, it appears that the tides rise and fall two times each day. But actually, the Earth's rotation has carried the person into the higher or lower regions caused by gravity and momentum.

Since the Moon is orbiting the Earth, and the Earth is orbiting the Sun, sometimes there is an alignment between all these things. This causes the highest tides because the tides of both Sun and Moon will join together.

The lowest tides occur when the Earth is at a 90° angle between the Sun and Moon. The tides of the Moon and Sun are at that time subtracting from each other.
Because the moons gravity pulls on the Earth's hydrosphere and pulls the water up slightly creating waves, also wind. For example if you go to the ocean after a full moon you will see the water is moving in all sorts of directions and the water is foamy. This is because the moon was pulling on the water with its gravity a lot.
The Moon affects tides on Earth through gravity. The Sun also affects Earth's tides, but not as much due to its greater distance from the Earth.

It's not the simple force of attraction that makes the tides, but the difference in the attractive force on the opposite sides of the Earth. Since gravity decreases by the square of the distance between two objects a little math will show you how the effect works.

Note that the 8000 mile diameter of the Earth is more significant when compared to the 250,000 mile distance to the moon than it is to the 93,000,000 miles to the sun.

See the links below for more specific information.

Tides are created because the Earth and the moon are attracted to each other, just like magnets are attracted to each other. The moon tries to pull at anything on the Earth to bring it closer. But, the Earth is able to hold onto everything except the water. Since the water is always moving, the Earth cannot hold onto it, and the moon is able to pull at it. Each day, there are two high tides and two low tides. The ocean is constantly moving from high tide to low tide, and then back to high tide. There is about 12 hours and 25 minutes between the two high tides.

Tides are the periodic rise and falling of large bodies of water. Winds and currents move the surface water causing waves. The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon. Another bulge occurs on the opposite side, since the Earth is also being pulled toward the moon (and away from the water on the far side). Ocean levels fluctuate daily as the sun, moon and earth interact. As the moon travels around the earth and as they, together, travel around the sun, the combined gravitational forces cause the world's oceans to rise and fall. Since the earth is rotating while this is happening, two tides occur each day.

The gravity of the Moon pulls on the ocean water as the earth revolves on its axis. That is what causes the tides.
The gravity of the Moon pulls on the ocean water as the earth revolves on its axis. That is what causes the tides.
The Moon is the main cause of the tides on Earth, by the force called gravity. The Moon pulls the waters in the oceans and seas towards it through gravity.

As the Earth rotates this "bulge" of water causes a high tide on the Earth roughly "under" the Moon.

Less obvious, but true, is the fact that the Moon also causes a high tide on the side of Earth furthest from the Moon. So, there are usually two high tides each day.

The movement of the Moon (in its orbit around Earth) means the time between successive high tides is usually about 12 hours and 25 minutes (not 12 hours).
The motion of the Moon in its orbit around the Earth causes high tides and

low tides to occur about 45 to 50 minutes later every day, on the average,

than they did on the previous day.

That's right, but just for clarification there are 2 high tides and 2 low tides per day. So, the time between successivehigh tides is about 12 hours and 25 minutes.

It's the time between equivalent high tides that's about 24 hours and 50 minutes.
the gravity of the moon pulls the water up causing a rise in sea level or tide

Answer 4

The tides in the Bristol Channel relate to the Earth's gravity, the Coriolis force, created by the spin of the Earth, and the moon's gravity. The first force holds the seas to the Earth and the other two try to pull them off into space. The pull of the moon is greater on the side of the Earth nearest to it, and the Coriolis force has more effect on the side away from the moon, so it is at those two points where the high tides occur. As the Earth spins, any point on its surface passes through each of these two high tide zones about once a day. It is not exactly once a day as the moon moves around the Earth once every 28 days, making each high tide a day later in that period, or about 50 minutes later every day.

As the Earth spins from east to west, tides generally come later towards the east. Thus at Combe Martin high tide is about half an hour earlier than at Minehead, which in turn is about half an hour earlier than at Bristol. This pattern is complicated elsewhere by the flow of tides around land masses.

Answer 5

The gravity of the moon pulls the water on earth towards it, so the sea levels will rise on the part of the earth the moon is closest to, and therefore the tides will come in at shores around here, and will go out on the opposite side of the earth.

Answer 6

The gravitational attraction of open water to the moon. The moon's position around the earth affects the height of the tides.

Answer 7

The moon, how it's circling the earth, and how it pulls on the water..

Answer 8

Especially the Moon (and, to a lesser extent, the Sun) pulls one side of the Earth stronger than the other side. This DIFFERENCE in gravitational force is what causes the tides.