# how do ocean currents relate to heat transfer

Radiation happens when heat moves as energy waves, called infrared waves, directly from its source to something else. … When the heat waves hits the cooler thing, they make the molecules of the cooler object speed up. When the molecules of that object speed up, the object becomes hotter.

## How convection and conduction is inter related?

Answer: The transfer of heat is through heated solid substance, in conduction, whereas in convection the heat energy is transmitted by way of intermediate medium.

## How is radiation different from conduction and convection for transfer of heat?

In conduction, heat transfer takes place between objects by direct contact. In convection, the heat transfer takes within the fluid. In radiation, heat transfer occurs through electromagnetic waves without involving particles. … The heat transfer occurs due to the difference in density.

## What do you mean by transfer of heat explain the process of transfer of heat?

Heat transfer is the process of transfer of heat from high temperature reservoir to low temperature reservoir. In terms of the thermodynamic system, heat transfer is the movement of heat across the boundary of the system due to temperature difference between the system and the surroundings.

## What do you mean by transfer of heat explain the process of transfer of heat in liquids with the help of an activity?

Convection is the transfer of heat from the hotter parts of a liquid (or gas) to its colder parts by the movement of the liquid (or gas) itself. The transfer of heat by convection can take place only in liquids and gases because the particles in liquids and gases can move about freely.

Convection.

## How does a convection current occur?

Convection currents form because a heated fluid expands, becoming less dense. The less-dense heated fluid rises away from the heat source. As it rises, it pulls cooler fluid down to replace it. This fluid in turn is heated, rises and pulls down more cool fluid.

## Can you explain convection as a kind of heat transfer?

Convection (or convective heat transfer) is the transfer of heat from one place to another due to the movement of fluid. … Convection is usually the dominant form of heat transfer in liquids and gases.

## How do global winds and ocean currents transfer heat around the world?

Surface currents

Large-scale surface ocean currents are driven by global wind systems that are fueled by energy from the sun. These currents transfer heat from the tropics to the polar regions, influencing local and global climate.

## Is ocean currents conduction convection or radiation?

Ocean currents are like rivers of water moving through the sea. Some currents are caused by convection, while others, called surface currents, are driven by wind. These currents move water all around the earth, bringing warm water to cooler areas and vice versa.

## What type of heat transfer is wind currents?

Convection is the transfer of heat by a current. Convection happens in a liquid or a gas. Air near the ground is warmed by heat radiating from Earth’s surface. The warm air is less dense, so it rises.

## What is heat transfer by radiation examples?

Here are some examples of different types of radiation:

• ultraviolet light from the sun.
• heat from a stove burner.
• visible light from a candle.
• x-rays from an x-ray machine.
• alpha particles emitted from the radioactive decay of uranium.
• sound waves from your stereo.
• microwaves from a microwave oven.

## How is heat transferred in solid materials examples?

Heat is transfered via solid material (conduction), liquids and gases (convection), and electromagnetical waves (radiation). … For example, the thermal environment of a building is influenced by heat fluxes through the ground (conduction), and the building envelope (mostly convection and radiation).

## What are some examples of which heating by conduction is used in everyday processes?

If you leave a metal spoon propped up in a pot, it will become hot from the boiling water inside the pot. Chocolate candy in your hand will eventually melt as heat is conducted from your hand to the chocolate. When ironing a piece of clothing, the iron is hot and the heat is transferred to the clothing.

## How does heat travel from the flame to the metal container?

How does heat travel along a metal? By conduction. This means that atoms of the metal become more energetic when heated, and they transfer this energy from atom to atom, so it travels along the bar from the hot end to the cooler end .

## How do the three major processes of heat transfer?

There are three ways heat is transferred into and through the atmosphere: radiation. conduction. convection.

## How is energy transferred to a metal?

A conductor is a material that allows internal (thermal) energy to be transmitted through it easily. All metals are good conductors. … Energy is passed on through the metal by these collisions, transmitting the energy. More frequent collisions increase the rate of transfer.

## What determines if an ocean current is warm or cold?

The influence of the flow of currents usually depends on the level of saltiness of the water, the rotation of the earth, the topography of the land and the orientation of the wind. It is these that bring cold water to the surface of the earth from the depths, and in the process forcing away the original surface water.

## What effect do currents have on objects in the ocean?

Explanation: Surface currents play a large role in determining climate. These currents bring warm water from the equator to cooler parts of the ocean; they transfer heat energy.

## Which of the following ocean currents is known as hot ocean currents?

List of Ocean Currents of the World

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