The first slide shows a picture that includes all processes in the water cycle. As the earth warms, regions that currently receive an adequate supply of rain may shift. Ngss 5ess22 distribution of water 5th grade by juli. Distribution of water on earth1 fresh water aquifer. Chapter 8 water distribution systems distribution system is a network of pipelines that distribute water to the consumers. I purposefully encourage the students to independently make sense of the directions as this is an important skill to learn at the 5th grade level. Distribution of water on earth 1 free download as powerpoint presentation. This powerpoint file contains information about the water cycle. Two percent of the earths water is stored as fresh water in glaciers, ice caps, and snowy mountain ranges. Statistical and trend analysis of water quality and quantity data for the strymon river in greece 681 values of each variable and the discharge was used to determine the constants of these models. Scale, proportion, and quantity students conduct an investigation by using relative scales to describe the distribution of water on earth. The last slide provides information on the distribution of water on the earth. Lesson the distribution of water on earth betterlesson.
So understanding the patterns of distribution of temperature in different seasons is important for understanding various climatic features like wind systems, pressure. Water distribution system an overview sciencedirect topics. Water is a naturally circulating resource that is constantly recharged. Earth is often called the blue planet, because of its abundance of liquid water. The distribution of water on, in, and above the earth.
May 02, 2016 over 97 percent of the water resources on earth is found in the ocean and other saline water sources, thus, only about 2. Statistical and trend analysis of water quality and. The vertical distribution of temperature, pressure, density, and composition of the atmosphere constitutes atmospheric structure. Water on earth moves between the atmosphere, land, and oceans in a journey known as the hydrologic or water cycle. Distribution of water on the earths surface earth 103. Print the distribution of water on earth worksheet 1. Trend analysis testing water quality data for trend over a period of time has received considerable attention recently. Because earths water is present in all three states, it can get into a variety of environments around the planet. Water distribution on earth where is water distributed on earth. Earths waterstudent capture sheet guiding questions how much waterison earth. Statistical and trend analysis of water quality and quantity. Appendix 1 earth water distribution and water consumption answer the following questions based on the exercise and reading. So understanding the patterns of distribution of temperature in different seasons is important for understanding various climatic features like wind systems, pressure systems, precipitation etc.
Subjecttarget grade where is all the water in the world. Regions that rely on snow melt may find that there is less snow and the melt comes earlier and faster in the spring, causing the water to run off and not be available through the dry. Water is the second major earth system that we are discussing in depth. The sun, many millions of kilometers away, provides the energy that drives the water cycle. The movement of water around earths surface is the hydrologic water cycle. For the love of physics walter lewin may 16, 2011 duration. The middle bar shows the distribution of that three percent of all earths water that is freshwater. However, it is the biggest culprit of water consumption and water pollution. Bar chart showing the distribution of water on, in, and above the earth. The leftside bar shows where the water on earth exists. Water falls from the atmosphere as snow, hail, or rain onto land and ocean. They are designed to adequately satisfy the water requirement for a combination of o domestic o commercial o industrial o fire fighting purposes.
Water quality information earths water distribution. The water cycle is the continuous movement of water on, above, and. They use data from their investigation to provide evidence that there is a. The above measurements add up to ml 1 liter of water, representing all the water on earth. Tectonic forces that lift or lower portions of the seafloor has also affected sea level. Aug 14, 2017 water distribution water is a finite source. The suns heat provides energy to evaporate water from earths surface water oceans, lakes, etc. The report highlights the following aspects related to the worlds water distribution. And the differential heat received from sun by different regions on earth is the ultimate reason behind all climatic features. Water makes up a large portion of earth, but most of it we dont use for drinking. Thisactivitywasdevelopedtogive participantsanunderstandingof earthswater how muchexists,what its like and whereit is found.
The distribution of river runoff across the earth s surface is very uneven. Distribution of water on earth worksheet the earth images. Most fresh water is trapped as ice in the vast glaciers and ice sheets of greenland. Earths water lesson 1 how is water distributed on the earth.
Not that much actually water covers 71% of the earths surface. Pdf the aim of this report is to introduce the global concept of water, its importance and distribution. Our nearest star directly impacts the water cycle by supplying the energy needed for. For an estimated explanation of where earths water exists, look at this. Over 97 percent of the earths water is found in the oceans as salt water. Jan 08, 2014 for the love of physics walter lewin may 16, 2011 duration.
Distribution of earths water global sea level is the level of the oceans surfaces. Freshwater is water that contains little or no dissolved salt. The total volume of water in rivers is estimated at 2,120 km. These quantities also vary with season and location in latitude and longitude, as well as from night to day. Distribution of water resources linkedin slideshare. Over 97 percent of the water resources on earth is found in the ocean and other saline water sources, thus, only about 2. The distribution of water on earth lesson will correlate to other interdisciplinary areas. For an estimated explanation of where earth s water exists, look at this.
The oceans sea level has risen and fallen by hundreds of meters in response to melting ice during warm periods and expanding glaciers during ice ages. Salt water is primarily used for shipping, recreation, fishing, and as a habitat for marine plants and animals. Where is earth s water located and in what forms does it exist. Subsequent slides discuss each process individually. In this quiz, you will be tested on freshwater, a primary resource of drinking water. Water is found on the earth as surface water and below the earth as groundwater. At this point, it is important to ensure that the concepts of global water distribution and water conservation have been introduced or discovered by the youth. Global warming will change patterns of rainfall and water distribution. Water distribution on earth and virtual water, water footprint concepts.
Nov 20, 2019 the blue pla discovery lab water cycle mini worksheet garden 28 water on earth worksheet search the hydrosphere memorable places educational artwork curriculum creation ocean world earth globe toss activity nasa jpl edu quiz worksheet the distribution of water on earthglobal distribution of water worksheet for 8th 10th gradedistribution of water on the earth s. A good distribution system should satisfy the followings. Most water in the earths atmosphere and crust comes from the world oceans saline seawater. Temperature distribution on earth sun is the ultimate source of heat. Looked at another way, only one percent of the water on the earths surface. Therefore, even though the stocks of water in natural and artificial reservoirs are helpful to increase the available water. Water is found on earth as a solid, liquid, and gas. Distribution of water on earth1 free download as powerpoint presentation. Distribution of water on earth worksheet the earth.
That leaves only one percent of the earths water available to us for our daily water supply needs. Dec 31, 2015 temperature distribution on earth sun is the ultimate source of heat. The suns heat provides energy to evaporate water from earth s surface water oceans, lakes, etc. Song serotone radio slaves panorama garage remix artist matt obrien. Where is earths water located and in what forms does it exist. The southern hemisphere may be called the water hemisphere, while the northern hemisphere is the land hemisphere. The water that was here billions of years ago is still here now. Explains the distribution of water around the world and the causes and consequences of water scarcity. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located in lakes, rivers, and swamps.
But about ninetyseven percent of the earths water is too. The distribution of water throughout the atmosphere and how it moves, changing between its solid, liquid, and gaseous forms, is a powerful vehicle for redistributing earths energy and influences the behavior of the planets weather, climate, and other environmental systems. Distribution of water on earth geosciences libretexts. You can see how water is distributed by viewing these bar charts. Fresh water is found in lakes, rivers, groundwater, ice and living things. The earth cleans and replenishes the water supply through the hydrologic cycle.
Distribution of water on earth read earth science ck. The middle bar shows the distribution of that three percent of all earth s water that is freshwater. Water distribution systems are extensive, readily accessible, and generally unprotected. Assessment is limited to oceans, lakes, rivers, glaciers, ground water, and polar ice caps, and does not include the atmosphere. Describe and graph the amounts of salt water and fresh water in various reservoirs to provide evidence about the distribution of water on earth.
As seen below, only 3 percent of earths water is fresh figure below. How is earths water distributed within and around the planet. Youve heard the phrase, and for water, it really is true. Water quality information earths water distribution apec. Earths water a map showing teacher guide lessonoverview. As soon as students have all the supplies needed for the investigation, i ask the teams to begin reading and following the directions on the the distribution of water on earth investigation. Water distribution read earth science ck12 foundation. What percent of the worlds water is fit for human use. The blue pla discovery lab water cycle mini worksheet garden 28 water on earth worksheet search the hydrosphere memorable places educational artwork curriculum creation ocean world earth globe toss activity nasa jpl edu quiz worksheet the distribution of water on earthglobal distribution of water worksheet for 8th 10th gradedistribution of water on the. The distribution of water on the earths surface is extremely uneven. Rivers and basins are often compared not according to their static volume, but to their flow of water, or surface run off. But just how much water exists on, in, and above our planet. About 71 percent of the earths surface is watercovered, and the oceans hold about 96.
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