Essays Tagged: "Water Cycle"

The Water Cycle (also known as the hydrologic cycle) and ground water salinity.

GROUNDWATER SALINITY&THE WATER CYCLEThe Water Cycle (also known as the hydrologic cycle) is the journe ... ey water takes as it circulates from the land to the sky and back again. The energy that evaporates water from the Earth's surface (oceans, lakes, soil and ice) is provided by the sun's heat. The proc ... surface (oceans, lakes, soil and ice) is provided by the sun's heat. The process where plants lose water to the air is called transpiration. Once the water is evaporated into the atmosphere the water ...

(5 pages) 132 0 4.5 May/2003

Subjects: Science Essays > Biology

Acid Rain (some info based on Bangkok).

ature and has been for many years. It is formed when the gasses go into the atmosphere and mix with water to form an acid which then returns to earth by the water cycle (see image above).These gasses ... oals. They then get picked up by winds and can travel through many countries before they react with water and turn into acids.What problems does it cause?The low pH in Acid Deposition causes many prob ...

(4 pages) 22 0 3.0 Mar/2004

Subjects: Science Essays > Environmental Science

The Water Cycle

The earth has a limited amount of water.Thatwater keeps going around and around andaround in what we call the "Water cycle".It is theo ... n what we call the "Water cycle".It is theonly way that Earth can be continually suppliedwith fresh water.The sun is the most importantpart of renewing our water supply.It can be solid(ice),a liquid ( ... the most importantpart of renewing our water supply.It can be solid(ice),a liquid (water), or gas (water vapor).Water on earth is always changing.How do these changes happen?It is made up of a few ma ...

(1 pages) 81 0 3.6 Apr/2004

Subjects: Science Essays > Earth Sciences

Biogeochemical cycles

Life on earth maintains its balance by the existence of four biogeochemical cycles, namely, the water cycle, the carbon cycle, the nitrogen cycle and the phosphorus cycle. These cycles are formed ... ely and without these chemicals "life on earth would not be possible" (Phillips and Hilgendorf).The Water cycle: -Water one of the most essential compounds due to which there is life on earth, makes u ...

(8 pages) 126 0 5.0 Apr/2004

Subjects: Science Essays

The Cycling of Chemical Elements In The Ecosystem

THE CYCLING OF CHEMICAL ELEMENTS IN THE ECOSYSTEMIn the water cycle, energy is supplied by the sun, which drives evaporation either from ocean surfaces or f ... he clouds to different places, otherwise it would only rain at the ocean. Precipitation occurs when water condenses from a gaseous state in the atmosphere and falls to earth. Once water condenses, gra ... aseous state in the atmosphere and falls to earth. Once water condenses, gravity takes over and the water is pulled to the ground. Gravity continues to operate, either pulling the water underground or ...

(6 pages) 63 0 3.0 May/2004

Subjects: Science Essays > Biology

Matter Cycles

hile energy does not cycle through an ecosystem, chemicals do. Among the many cycles of matter, the water, nitrogen, phosphorus, and carbon are the most important ones! These cycles are composed of at ... bones, teeth, nails and shells. They are also locked away in the Earth. And last but not least the water cycle which is very important to fresh water ecosystems.In order to live the organisms must bu ...

(1 pages) 32 0 2.0 Sep/2004

Subjects: Science Essays > Environmental Science

The Water Cycle

Water never stops moving. Snow and rain fall to the earth from clouds. The rain and melted snow run ... h from clouds. The rain and melted snow run downhill into rivers and lakes, sometimes crashing over waterfalls. Eventually the water flows into the ocean. During evaporation, the water turns from liqu ... here it forms clouds. Then the cycle begins all over again.The first experiment I did, built my own water cycle. You could use this experiment with elementary students. Materials needed are a jar, pla ...

(2 pages) 30 0 4.3 Oct/2004

Subjects: Social Science Essays > Education

Acid Rain. This is a research paper I did for my science fair project.

" is used to describe rain, snow or fog that has been polluted by acid in the atmosphere during the water cycle. It is one of the most dangerous and widespread forms of pollution. Acid rain contribute ... es to the damage of not only natural environments, but everyplace it lands upon. It harms bodies of water and many sensitive forest soils. In addition, acid rain accelerates the deterioration of irrep ...

(3 pages) 54 0 5.0 Jan/2005

Subjects: Science Essays > Biology

Bubbles' Journey through the Water Cycle

ll you? I am Bubbles, the Rain and I am here to tell you about my most adventurous trip through the water cycle. My mommy tells me that the only reason I fall on earth is when God is lamenting. Now, y ... nk this is where my journey ends, you might want to rescind that thought because you are wrong. The water cycle must go on forever or else it shall obliterate the whole world!

(1 pages) 15 0 3.0 Feb/2006

Subjects: Science Essays > Environmental Science

The Water Cycle

Water moves in a continuous cycle between the land and the sky. The cycle starts from the ocean and ... the ocean and the lakes when the temperature becomes hot so that the heat gradually evaporates the water into the atmosphere to form clouds. The condensed water vapor forms as tiny droplets into clou ... to the land.Some of the precipitation falls in the oceans which continuous the cycle. However, some water is trapped under the land, this is called ground water. Some falls into the rivers or lakes, g ...

(1 pages) 17 0 1.0 Jul/2006

Subjects: Science Essays > Biology

Entire week long unit of Lesson plans for fourth grade science. Water cycle activities included.

5th Grade Standard for Science: 5. Waves, wind, water, and ice shape and reshape Earth's land surface. As a basis for understanding this concept: St ... e and reshape Earth's land surface. As a basis for understanding this concept: Students know moving water erodes landforms, reshaping the land by taking it away from some places and depositing it as p ... hering, transport, and deposition).AssessmentStudents will be graded on how well they recreated the water cycle and showed proper understanding of the effects water has on the earth.2. They will be gr ...

(3 pages) 41 0 0.0 Aug/2006

Subjects: Social Science Essays > Education

Water Is The World

Water is the world's most valuable possession. Without it, most life forms could not possibly exist. ... possession. Without it, most life forms could not possibly exist. When industries contaminate fresh water, not only do humans suffer, but also so does the atmosphere as well as a massive amount of mar ... is also the biggest health risk society faces in the world today. Millions of people are killed by water contamination in the developing world alone. Outbreaks of diseases formed by water contaminati ...

(6 pages) 49 0 4.0 May/2001

Subjects: Science Essays > Environmental Science

Change In Matter

ens to the temperature during a change of state.Hypothesis If the ice cube melts, it will turn into water, if the water boils, it will change into a gas, if the gas condenses, it will turn back into w ... eaker Procedure We will take the ice cube, put it in the dish, and melt it. After it is melted into water, we will take the water, and boil it. As the gas rises under the metal plate, it will condense ...

(1 pages) 552 0 0.0 Sep/2001

Subjects: Science Essays > Chemistry

Goundwater

INTRODUCTION Although 70 percent of the Earth's surface is covered by water, 97 percent of it is contained in the oceans and is too salty to drink (Cunningham and Saigo, ... is contained in the oceans and is too salty to drink (Cunningham and Saigo, 1992). Therefor, fresh water is a precious resource that in some areas of the world is so scarce, that people will fight wa ... the world is so scarce, that people will fight wars over it. About 25 percent of the world's fresh water is groundwater. Although groundwater is not as accessible as surface water (lakes, rivers and ...

(8 pages) 50 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Deforestation

ifies the greenhouse effect (which greatly contributes to global warming), significantly alters the water cycle, heightens the rate of soil erosion (which may eventually lead to soil runoff and floods ... lems may arise if rampant deforestation is not put to a halt. Of these is the drastic change in the water cycle. When the water cycle is altered, it results into the dangerous event of sediment runoff ...

(5 pages) 1 0 0.0 Nov/2011

Subjects: Science Essays > Environmental Science