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Ocean Tides

Affected by the gravitational pull of the moon and sun, sea levels rise and fall on a daily basis. Ask questions here about high tide, low tide, spring tide and neap tide.

1,277 Questions

What causes ocean tides?

The Sun i think

NO!!! It's the gravitational pull of the MOON!!! As it pull the Earth from opposite sides, it causes the tides. This "pull" on the Earth elongates the Earth by about 8 ft in opposite directions. I really hope you didn't use the SUN answer as your final answer. :)

What are the high and low setting on Hamilton Beach Crock Watcher?

The answer is....(drumroll, please), 1= Low, 2= High. I have been looking for this answer for awhile because I too lost the instruction book that came with the slow cooker. I did an experiment. Stew and a meat thermometer, and the results were obvious!

Now as to how long the auto-shift stays on high before it shifts to low, I am not sure.

MB in Nova Scotia

Yes, MB is correct - I went to the proctor silex website and found the user manual. Here's a link to it: http://useandcares.hamiltonbeach.com/files/840036400.pdf

KM in Mass

The user manual says that Auto Shift starts cooking on high and finishes on low and that cooking times will be approximately halfway in between high and low cooking times. It doesn't say after how much time it switches. Some of the recipes in the manual give times to cook with Auto Shift.

How do tides work?

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.

What does a 40 foot tide mean?

A 40-foot tide indicates the vertical difference in water level between low tide (when the water is at its lowest) and high tide (when the water is at its highest) at a specific location. Tides are primarily influenced by the gravitational forces of the moon and sun on Earth's oceans.

Why are there two high tides in one day?

Reason for Two TidesTides are caused not simply by gravity but by the gravity gradient or in other words the difference in gravity in different places. The side of the earth that is closer to the moon is more strongly accelerated than the side that's far away. The water that's near the moon gets pulled toward it (that's obvious). The not so obvious part is that the water on the far side is getting "left behind" because the Earth is getting pulled away from it.

The phenomenon of tidal force gets really significant around things with stronger gravitational pulls, say a black hole. If you tried flying into a black hole you'd never make it. The front of your ship would get pulled in faster than the back, ripping it apart before you arrived.

Same as above with a different 'spin'.When I got the following idea, I got the "high tide" opposite the moon. For a moment, in your mind, imagine that the earth and the moon are exactly the same size and mass. Which one is orbiting around the other? In fact, they would each be orbiting around a point in space right between them. Looking from high above in space, we'd see them both basically spiraling around one another. This should be obvious, since there would be absolutely no reason why one of them should (or could) be more 'stationary' than than the other.

The above idea holds true now for the real earth and moon, even though the moon is smaller. We would observe some perturbation, or scalloping of earth's orbit around the sun because of the moon's presence, and we would see the same kind of thing if we observed the moon's "orbit" around the sun.

What about that theoretical "point" around which they both orbit? Interestingly, the "point" is within the body of the earth. And, of course, the point is constantly moving, as the earth rotates on its axis. So, in a sense, whatever part of the earth's surface is opposite the moon, is in fact swinging out behind the moon-side surface of the earth! Thus, the push outward of the tides on the side opposite the moon. This is happening as a continuous movement as the earth rotates and the moon orbits. You can imagine in your mind's eye that there are therefore 2 high tides and two low tides on the planet, at any given point in time. Since we rotate through all of that "tugging and pulling" in 24 hours, we experience all of those tides.

The rotation of the earth is so much faster than the moon's orbit (relatively speaking) that the rotation has the effect of dragging the tide along with it a little, in advance of the moon, which has some interesting effects beyond the scope of this answer.

Another Viewpoint: So that's two different explanations. The first is based on

"differential gravity" and the second is based on "centrifugal" effects. Unfortunately, there are several "explanations" you can find for this tidal

phenomenon. Even scientists can give different answers. I tend to believe what mathematicians say about this question. From my reading on the subject, I believe that "differential gravity" is the preferred explanation when the problem is analysed mathematically.

How can you tell the difference between a 1922 Peace High or Low Relief Silver Dollar?

The difference is in the height that the design details extend out from the surface. High reliefe coins tend to not get fully struck up on the high points of the design -- especially in the hair above the ear.

Pictures of the high & low relief coins can be seen on CoinFacts, using the link below.

How does temperature affect reproduction of snails?

Temperature can affect the reproduction of snails by influencing their metabolic rate and development. Generally, warmer temperatures can increase the activity levels of snails, potentially speeding up their reproductive processes. However, extreme temperatures can also have negative impacts, such as reduced fertility or increased mortality rates.

Idling higher than normal?

A high idle may be caused by issues with the air intake system, such as a vacuum leak or a faulty idle control valve. It could also be due to a dirty throttle body or a malfunctioning mass air flow sensor. I recommend having a mechanic inspect the vehicle to diagnose and address the issue.

What would cause a 1994 blazer to lock into 4-wheel low and not 4-wheel high electronic push buton?

This could be caused by a faulty transfer case shift motor or a problem with the transfer case control module. It is recommended to have the vehicle inspected by a qualified mechanic to diagnose and repair the issue.

What causes golf shots to be extremely low without trajectory and how can it be corrected?

There are many causes for this:

One very common cause is that you're "topping off" the ball. This means you're striking the ball on the top, not getting good contact. To correct this problem, perhaps bend your knees more, don't choke up on the clubs as much, or buy longer clubs. The best thing you can do is consult a golf pro to get effective shot help

It cost too much money to take lessons. Its simple. Tee the ball up higher. Dont pull your head. AND KEEP YOUR SHOULDERS LEVEL. I used to have this problem when I switched from a 10.5 to a 9.5 degree driver. I wanted loft so I sunk my shoulder which made it worse. Just hit the range and work it out.

Diff answer :) from mlmiller9112.- I have played golf for eight years and have received lessons for about 5. You may be putting the ball too much in the back of your stance, which will make your ball go lower. With irons, put it in the middle or a little more "up" in your stance. With woods, make sure you are standing close enough to the ball (if you are standing too far away, then you will hit it like you are describing.) so that you are not reaching for it as you swing. Also, make sure your woods are up in your stance and lean to your right slightly before you swing (this will make swing easier). Make sure you are going "low to high" when you swing, so you will be lifting it up from the ground and not driving down, which will make it go lower and get back spin (in fairway not good, on green good). With chipping, make it higher up in your stace and choke down on your club (I use a Gap wedge like I breathe air :D) so that you do not go over the green. Plus, do NOT use your wrists when you chip! Make sure you are taking an easy swing, making contact with the ground, and that you are NOT USING YOUR WRISTS! This will make your swing "scoopy" and not consistant.

Let me know if this helped!

What is the Importance of spring season?

Spring season is important because it signifies rebirth and renewal in nature. It brings warmer temperatures, longer days, and blooming flowers, which helps in rejuvenating the environment and uplifting spirits after the cold winter months. Spring also plays a crucial role in agriculture by providing optimal conditions for planting and growth of crops.

When does low tide happen?

In most places, two high tides and two low tides occur daily. Tides happen because the moon's gravity is pulling on the Earth and its oceans. The oceans are fluid and can move more than the land, so they move towards the moon. As the moon revolves around the Earth, it creates high tides and low tides. Whichever location the moon is at, there is a bulge in the oceans on that side of the Earth. There is also a bulge on the opposite side of Earth. These areas are experiencing a high tide. The places that are not bulging are experiencing a low tide, because of all of the ocean water has moved into the bulges.

What does tide mean in this frosty tide from the Carol?

the frosty tide is a tide of snow. like a tide from a wave, but it is snow instead of water.

Explanation of poem low tide by April lindner?

"Low Tide" by April Lindner uses vivid imagery to depict the ebb and flow of emotions in a relationship. The poem captures the feeling of being drained emotionally like the receding tide, while also hinting at the potential for renewal and growth as the tide turns. Lindner uses the metaphor of the tide to convey the cyclic nature of emotions and relationships.

What type of tide occurs during the quarter moon phases?

The exceptionally low high tides (and high low tides) that occur during the quarter-moon phase are known as "neap tides." Conversely, the exceptionally high and low tides that occur during full and new moons are known as "spring tides."

Strictly speaking, however, although there is a correlation between moon phase and tidal activity, this is not truly due to the moon. Tides are caused by the moon's orbit around the earth; the moon's gravity pulls a swell of water on the the side of the earth facing it, and a corresponding bulge on the opposite side. These vary several times per day, with the moon's once-daily orbit of the earth. So, there are about 12 hours between high tides.

Moon phases, on the other hand are purely a visual phenomenon, varying based on the the viewing angle of the moon from our vantage point, here on earth, relative to the sun. When the sun is shining behind the moon, we observe a new moon. On the front side? A full moon. When the earth, moon, and sun are aligned at roughly a 90 degree angle? A half moon. And, of course there's every phase in between. During any given day during the cycle, the tides continue to rise and fall independent of what lunar phase we happen to observe.

The spring and neap tides are actually caused by the sun. Like the moon, the sun also exerts a gravitational pull on the side of the earth that faces it, causing high tides every twelve hours -- solar tides; Although this effect is far weaker than the lunar tides (about half the effect), the height of the tide at any given time is a composite of the gravitational vectors of the sun and moon, added together, like constructive or destructive interference. Thus, when the sun and moon are on the same side of the earth (or opposite sides), their collective gravity works together and magnifies the effect, and tides are higher and lower than usual; this is what occurs during new moons and full moons -- the spring tides. Alternately, when the sun and moon are located at 90 degrees with respect to the earth, the sun and moon pull along different axes, and cancel each other out to some degree; this is what occurs during quarter moons, when tides vary far less than at other times of the month... not so high and not so low.

There is also a proxigean spring tide, an extremely high tide that occurs very rarely when the moon's orbital eccentricity also magnifies these gravitational tidal effects. This occurs when the moon's lowest point of orbit (proxigee) coincides with a full or new moon (already very high tides).

Incidentally, lunar phases are not caused by the earth's shadow falling on the moon. This would be an eclipse, which is quite rare.

Where would you find the world's highest tides?

The highest tides in the world are found in the Bay of Fundy, located between the provinces of New Brunswick and Nova Scotia in Canada. The tides in the Bay of Fundy can reach heights of over 50 feet (15 meters) during extreme variations.

What is stand of tide?

The term "stand of tide" refers to the period when the water level of the tide remains relatively unchanged for a short period of time. During this period, the incoming and outgoing tide currents are equal in strength, resulting in minimal movement of the water level. This can occur twice a day in coastal areas with tidal fluctuations.

When the water of the ocean is at a higher level than its average this is referred to as .?

When the water of the ocean is at a higher level than its average, this is referred to as sea level rise.

Why is it important to be able to predict tide levels in coastal areas?

It's Important because in coastal area's you have people in the oceans surfing, boating, fishing, and you want to be able to predict them because if the tides are too high or fast people can be injured,die or there can be floods.

What is moving mass of water?

Tide. Tides are masses of moving water. The moons gravitational pull causes the form of a wave to occur.

When low tide?

When the Moon and / or Sun are oriented at about 90 degrees to the line between the area with tide and the Earth's center.

What is the greatest differences between high tide and low tide?

The height difference between high and low tide varies in different places and at different times according to the earth's position relative to the sun and moon. The weather and prevailing winds also affect tide heights.

The place with the greatest tidal rise/fall is generally considered to be in the Bay of Fundy, Canada, which, on occasions can have a high/low tidal difference of some 21 metres (about 70 feet).

However, Ungava Bay (Canada) is a close contender. After long and careful comparison of the data, the Canadian Hyrodrographic Service has ruled that both places are joint first in the high/low tides competition!)

For more information about tides and the most extreme tides, see Related links below.

What is mean tide?

Account of what has taken place, and was not before known; news.