Oceans and Atmosphere Worksheet Essay

The Oceans

1. What is the composing of saltwater?

The salt of saltwater scopes from 3. 3 to 3. 7 % . When saltwater evaporates it leaves behind Na chloride. better known as table salt. The other constituents of saltwater are acquired through assorted methods. One of which is enduring. Chemical weathering of stone releases soluble such as salts of Na. K. and S.

2. What are the three major beds ( zones ) found in the ocean?

Describe each bed briefly. The three beds of the ocean are the surface bed. the thermocline. and the deep zone. The surface bed goes up to 100 metres deep and consists of low denseness. warm H2O. In the thermocline temperatures decrease quickly as it extends to deepnesss of 1500 metres. The deep zone maintains a cold temperature of about -2 grades Celsius and extends to the ocean floor beyond the thermocline.

3. What is an ocean current?

Surface ocean currents are caused by air currents. Wind presses on the ocean’s surface and forces the H2O to travel along with it. These currents range from 50 to 100 metres in deepness and are contained to the surface bed. Deep ocean currents are caused by several factors including temperature and salt. which accounts for the water’s denseness.

4. How do oceans modulate clime?

There are several ways in which the oceans regulate the clime. The oceans act as a sink for extra C dioxide which helps to modulate the nursery consequence. Besides there is a heat exchange that occurs within the ocean that is highly of import. Water can be heated more expeditiously by the sun’s rays instead than land. The sun’s ray’s can perforate much further into the H2O. Water has a higher heat capacity than land. Latent heat besides plays a function. as H2O is frozen heat is released and as H2O in unfrozen heat is absorbed.

5. What causes a alteration in sea degree?

The alterations in sea degree can be contributed to the add-on or minus of H2O to the oceans. The add-ons come from the thaw of stored H2O that come in the signifier of glaciers and ice caps during times of planetary heating. Subtraction comes from the remotion of H2O to set down based frozen signifiers during times of planetary chilling.

6. What causes ocean tides?

Tides are caused by the gravitative pull of both the Moon and the Sun. The Moon being closer has a greater consequence on tides. Water on the side of Earth closest to the Moon bulges toward the Moon. There is besides a bump off from the Moon on the opposite side of the Earth.

7. What is the relationship between home base tectonics and the ocean floor—seafloor spreading. for illustration?

8. What are different ways that earth stuffs are moved around in the oceans?

Surf is a powerful force. It causes eroding and moves sediment from one location to another. Currents are another mode in which stuffs are transported through the ocean system. There is a longshore current and a beach impetus responsible for upseting and transporting stuffs.

9. What are the different types of shorelines?

Describe each type briefly. There is a bouldery seashore. lowland beach and barrier island. every bit good as coral reef. A bouldery seashore describes the most common type of costal country. This is where there are perpendicular moving ridge cut drops and horizontal bench cut drops. The eroding undermines the drops and sends the ensuing dust into the ocean organizing unsmooth rock outcrops. Beachs are non merely the sand countries on land they extend into the sand in the breaker zone. During low tide. littorals are sometimes blown onto land making dunes or barrier islands. A coral reef is formed in an country where temperatures exceed 18 grades Celsius but do non transcend 30. Besides they are formed merely at or above sea degree. Coral is a limestone reef formed by a settlement of beings which secrete Ca carbonate as their skeletal stuff.

10. Why do moving ridges alter as they approach shorelines?

A moving ridge alterations as it approaches shore due to the fact that a moving ridge exists non merely on the surface but besides below H2O. As a moving ridge approaches shore it comes into contact with the shallow sea floor and this begins to falsify the loop form of the H2O motion. It causes the moving ridge tallness to increase while the wavelength shortens.

Atmosphere

1. What is the composing of the Earth’s ambiance?

Air is what envelopes the Earth. Air is unseeable and typically odourless. Air has two extremely feasible constituents that are aerosols and H2O vapour. Aerosols are liquid and solid atoms so little that they remain suspended. Water vapour in air is expressed in footings of humidness. When disregarding aerosol and H2O vapour these gasses. termed dry air. are present and known as N. O. and Ar. There are more gases that make up a really infinitesimal part of the ambiance but play a critical function known as C dioxide. Ne. and six others.

2. What are the four major beds of the Earth’s ambiance?

Describe each bed briefly. There is the Troposphere. the Stratosphere. the Mesosphere. and the Thermosphere. The Troposphere contains 80 % of all existent mass of the ambiance. It is besides the bed where all conditions phenomenon take topographic point. Most all heat absorbing gases reside here. The Stratosphere contains 19 % of all ambiances mass. The Mesosphere and Thermosphere together contain merely 1 % of the atmospheric mass. The thermosphere absorbs short UV wavelengths. The Mesosphere absorbs average wavelengths. The Stratosphere absorbs long wavelengths.

3. What is the nursery consequence?

The nursery consequence is how the Earth’s surface is heated. Greenhouse gasses such as H2O vapour. C dioxide. and methane absorb some of the outgoing infrared tellurian radiation and prevent it from get awaying.

4. How would you depict the ozone bed?

Why is the ozone bed of import? The ozone bed is a protective country in the outer three beds of the ambiance that protect the Earth from harmful radiation by barricading peculiar wavelengths.

5. What is the relationship among the Earth’s ambiance. the Sun. and the rotary motion of the Earth?

The Sun heats the Earth’s ambiance and makes it a habitable planet. The Earth is a sphere so the Sun can non warm every topographic point on Earth at one time. This issue is solved by the earth’s rotary motion and its rotary motion around the Sun.

6. What is the Coriolis consequence?

The Coriolis consequence causes anything that moves freely with regard to the revolving Earth to swerve off a consecutive way. This can be demonstrated through long scope missile launches that have been known to set down far from their intended marks due to the earth’s rotary motion.

7. How would you specify clime?

Climate is an norm of conditions forms over a long period of clip. by and large on a regional or planetary graduated table.

8. How does the ambiance modulate clime?

Atmosphere regulates climate through conditions forms created through the nursery consequence. This procedure creates heat within H2O bluess and other gasses that are the chief contributing factors in conditions. Besides the filtration of wavelengths by the upper ambiances keeps the earth’s clime at a more even temperature.

9. What are the six planetary clime zones?

What are the chief clime effects on people and the environment? The six clime zones are tropical. dry. temperate-humid. cold-humid. polar. and upland. Each zone is driven by solar energy which drives temperature. seasonality. precipitation which in bend Fosters flora. . These factors make a zone habitable or non habitable.

10. How do the oceans and the ambiance interact?

The oceans provide a great trade of wet for the ambiance. This wet is a chief constituent in heat exchange which leads to endure forms. Water is in changeless gesture and plays a critical functions in the ordinance of the ambiance.