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Preparation
•    If the sand has a lot of debris in it, use a strainer to strain out the large debris and purify the sand.
•    Place some salt and sand separately on a napkin and, using the magnifying glass, closely examine the salt and sand. What do you notice? How does the size, shape and color of the grains of sand compare with the grains of salt?
•    Be careful when using the stove and oven, and when handling the boiling water. An adult should help you with these steps.

Procedure
•    In a glass jar add one quarter cup of salt and one quarter cup of sand. Put the lid on the jar and shake until the salt and sand are completely mixed together.*
•    Using the magnifying lens, closely examine the mixture. What do you notice? Can you still see the individual grains of salt and sand?
•    Fill the teakettle or pot with at least one cup of water. Heat the water on the stove until it is boiling. Be careful when using the stove and handling the boiling water. An adult should help you with this.
•    Very carefully pour one half cup of boiling water into the jar and stir the mixture with a spoon. Be careful when handling the boiling water, which will make the jar become very hot! (Caution: You should pour the water very slowly, so the glass jar does not shatter from a rapid change in temperature.)
•    Using the magnifying lens, closely examine the solution. What do you notice? Can you still see the individual grains of salt and sand?
•    Place the coffee filter in the funnel and place the funnel on top of the second glass jar. Slowly pour the entire solution over the filter. As the solution seeps through the filter, let it collect in the second jar.
•    Looking at the coffee filter, what do you see? Carefully scrape off any particles from the coffee filter with a spoon and place them in the first jar.
•    Turn the oven on to 325 degrees Fahrenheit. Be careful when using the oven and ask an adult to help you with this. Place both jars on to a cookie sheet and bake them in the oven until all of the water has evaporated from them. This may take over an hour. When you check on the jars to see how much water has evaporated, what do you notice?
•    Turn off the oven and let it cool down. (When glass changes temperature very quickly, it can shatter.) Then, using oven mitts, carefully remove the jars and allow them to cool to room temperature. They will probably still be very hot!
•    After the jars are cool, closely examine their contents using the magnifying glass. What do you notice? Can you still see the individual grains of salt and sand? Are they mixed together or separated?
•    Extra : At the end of this activity, you can carefully use a measuring cup to measure the amount of salt and sand you ended up with. Do these amounts match the amounts you started with? Why do you think this happened?
•    Extra: Many different chemicals have different degrees of solubility. By adding different amounts of salt, sugar or baking soda to water you can see how soluble each chemical is. Just add each chemical, one teaspoon at a time, to a half-full glass of water until you notice that it no longer dissolves when you stir it. Which chemical is the most soluble (dissolves the most into the same amount of water); which chemical is the least soluble?
•    Extra: How might temperature affect the solubility of a chemical? Try dissolving the same amount of sugar in hot water, room-temperature water and ice-cold water, using the same amount of water each time. What happens? Can you think of other variables that might affect solubility?

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Have you ever mixed sand and salt together and wondered how you could separate them again? If you had to separate them, would you have nightmares of tiny tweezers, a magnifying glass and hours spent picking grains of salt and sand apart? Don't be afraid, there is another way! Using the differences in solubility between salt and sand, you can find the simple "solution" to this problem.

Background
Chemistry for the most part is the study of matter and how it behaves and interacts with other kinds of matter. Everything around us is made of matter. One important property that matter has is solubility. We think about this when we dissolve something in water. If a chemical is soluble in water, then when you add it to water it will dissolve, or disappear. If it is not soluble, then the chemical will not dissolve and you can see it, either suspended in the water or at the bottom of the container.

When a chemical is dissolved in a liquid, such as water, it creates a solution. In a solution, the liquid is the solvent, and the soluble chemical that is added to and dissolves in the liquid is the solute. Even though a solvent dissolves a solute, the latter blends in but is still there. If you evaporated all of the liquid from the solution, you would be left with the dry solute again. In fact, this is how salt is processed in giant salt flats where seawater is slowly evaporated, leaving behind huge amounts of sea salt.

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With freshwater resources dwindling in many regions of the world, desalination is proving to be an increasingly viable solution, especially in countries with mainly coastal populations. Today, some 17,000 desalination plants in 120 countries are producing 66 million cubic metres of clean water, two thirds of it for human consumption, 30% for industrial use and 3% for irrigation. About 200 million people already use desalinated water. China and India are likely to have massive water needs over the next 50 years. Desalination: a solution of the future. Yes … But why?

Water desalination is a technique that removes the salt from salty or brackish water to make it drinkable. It currently enables the production of 1% of all the drinking water used around the world but it is set to grow, more and more. In fact, population growth, the increasing prevalence of droughts, and the depletion of freshwater resources are increasingly driving governments to opt for this solution.

SALTWATER: AN ALTERNATIVE RESOURCE

About 40% of the world’s population today lives within 100 km of the sea. This means that, potentially, 2.4 billion people could get their drinking water from desalination. What’s more, salty water represents 97% of the total volume of water on our planet, which makes it an enormous natural reservoir – as yet unexploited – compared with just 3% of freshwater that is normally used to produce drinking water.

In addition to these demographic and environmental considerations, desalination in today’s circumstances is an economically viable response for industrialised countries as well as for water-deficient regions. In the space of just 10 years, its cost has halved thanks to continuous improvements in reverse osmosis.

Reverse osmosis technology has advanced in leaps and bounds in recent decades. It is a reliable industrial process that provides large-scale solutions for drinking-water needs. Reverse osmosis produces drinking water by pressurising seawater to force water molecules to cross a membrane that is impervious to the salt molecules in seawater. The resulting freshwater is collected, while the salt-saturated water is treated, diluted and released back into the natural marine environment.

The two levers that must be activated as a priority today, to combat tomorrow’s shortages, are better water management and the securing of supply to make the best use of the resources that do exist, where they exist.

AMBITIOUS PROJECTS IN MELBOURNE, BARCELONA, CHILE AND THE KINGDOM OF BAHRAIN

DESALINATION BY DEGRÉMONT
IN BRIEF

255 plants around the world

10 million people served

2.8 million m3 drinking water produced per day

Degrémont, a SUEZ ENVIRONNEMENT subsidiary, has designed technology that can produce freshwater from seawater. It offers original and efficient processes for each step in the treatment, paying special attention to purifying the water upstream of the reverse osmosis stage. Formed in 1939 and having set up its first facility on Ile de Houat in France in 1969, this SUEZ ENVIRONNEMENT subsidiary now operates 255 desalination plants and supplies drinking water to 10 million people around the world.

Australia, Spain, Chile and the countries of the Middle East have chosen desalination to keep up with their population growth and solve their water scarcity problems.  It is therefore in these countries that Degrémont’s most ambitious projects can be found.

In Melbourne (Australia) Degrémont has just commissioned the largest desalination plant in the southern hemisphere, which also happens to be one of the biggest in the world. The plant produces 450,000 m3 of drinking water a day and meets the needs of one-third of the 4 million residents of the second-largest city in the country. Degrémont also operates the biggest desalination plant in Europe. Located in Barcelona and opened in 2009, this plant supplies drinking water to nearly 20% of the population of the Barcelona region – about 5 million people – producing 200,000 m3 of desalinated water a day.  By way of comparison, it could by itself meet all the drinking water needs of a city the size of Lyon in France.

In Pureto Coloso, Degrémont operates the largest reverse-osmosis desalination plant in South America. The plant uses electricity generated by wind power and produces 45,000 m3 of drinking water a day. Since 2011, this SUEZ ENVIRONNEMENT subsidiary also operates the Al Dur desalination plant on the southeast coast of the Kingdom of Bahrain. The facility produces 218,000 m3 of drinking water a day and underwent a full year of testing to determine the correct pre-treatment parameters for the specific characteristics of the seawater in the region.

It is estimated that by 2030, 4 billion people will be short of freshwater. Developing desalination today, therefore, means securing the long-term supply of water for people around the world. In short: it’s a solution of the future.

TO FIND OUT MORE ABOUT

Desalination by Degrémont

Desalination by SUEZ ENVIRONNEMENT

Reverse osmosis

Desalination plant at Perth, Australia

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Umikah and Angelee

First add water and then the salt and baking soda will become a mixture and to be

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With freshwater resources dwindling in many regions of the world, desalination is proving to be an increasingly viable solution, especially in countries with mainly coastal populations. Today, some 17,000 desalination plants in 120 countries are producing 66 million cubic metres of clean water, two thirds of it for human consumption, 30% for industrial use and 3% for irrigation. About 200 million people already use desalinated water. China and India are likely to have massive water needs over the next 50 years. Desalination: a solution of the future. Yes … But why?

Water desalination is a technique that removes the salt from salty or brackish water to make it drinkable. It currently enables the production of 1% of all the drinking water used around the world but it is set to grow, more and more. In fact, population growth, the increasing prevalence of droughts, and the depletion of freshwater resources are increasingly driving governments to opt for this solution.

SALTWATER: AN ALTERNATIVE RESOURCE

About 40% of the world’s population today lives within 100 km of the sea. This means that, potentially, 2.4 billion people could get their drinking water from desalination. What’s more, salty water represents 97% of the total volume of water on our planet, which makes it an enormous natural reservoir – as yet unexploited – compared with just 3% of freshwater that is normally used to produce drinking water.

In addition to these demographic and environmental considerations, desalination in today’s circumstances is an economically viable response for industrialised countries as well as for water-deficient regions. In the space of just 10 years, its cost has halved thanks to continuous improvements in reverse osmosis.

Reverse osmosis technology has advanced in leaps and bounds in recent decades. It is a reliable industrial process that provides large-scale solutions for drinking-water needs. Reverse osmosis produces drinking water by pressurising seawater to force water molecules to cross a membrane that is impervious to the salt molecules in seawater. The resulting freshwater is collected, while the salt-saturated water is treated, diluted and released back into the natural marine environment.

The two levers that must be activated as a priority today, to combat tomorrow’s shortages, are better water management and the securing of supply to make the best use of the resources that do exist, where they exist.

AMBITIOUS PROJECTS IN MELBOURNE, BARCELONA, CHILE AND THE KINGDOM OF BAHRAIN

DESALINATION BY DEGRÉMONT
IN BRIEF

255 plants around the world

10 million people served

2.8 million m3 drinking water produced per day

Degrémont, a SUEZ ENVIRONNEMENT subsidiary, has designed technology that can produce freshwater from seawater. It offers original and efficient processes for each step in the treatment, paying special attention to purifying the water upstream of the reverse osmosis stage. Formed in 1939 and having set up its first facility on Ile de Houat in France in 1969, this SUEZ ENVIRONNEMENT subsidiary now operates 255 desalination plants and supplies drinking water to 10 million people around the world.

Australia, Spain, Chile and the countries of the Middle East have chosen desalination to keep up with their population growth and solve their water scarcity problems.  It is therefore in these countries that Degrémont’s most ambitious projects can be found.

In Melbourne (Australia) Degrémont has just commissioned the largest desalination plant in the southern hemisphere, which also happens to be one of the biggest in the world. The plant produces 450,000 m3 of drinking water a day and meets the needs of one-third of the 4 million residents of the second-largest city in the country. Degrémont also operates the biggest desalination plant in Europe. Located in Barcelona and opened in 2009, this plant supplies drinking water to nearly 20% of the population of the Barcelona region – about 5 million people – producing 200,000 m3 of desalinated water a day.  By way of comparison, it could by itself meet all the drinking water needs of a city the size of Lyon in France.

In Pureto Coloso, Degrémont operates the largest reverse-osmosis desalination plant in South America. The plant uses electricity generated by wind power and produces 45,000 m3 of drinking water a day. Since 2011, this SUEZ ENVIRONNEMENT subsidiary also operates the Al Dur desalination plant on the southeast coast of the Kingdom of Bahrain. The facility produces 218,000 m3 of drinking water a day and underwent a full year of testing to determine the correct pre-treatment parameters for the specific characteristics of the seawater in the region.

It is estimated that by 2030, 4 billion people will be short of freshwater. Developing desalination today, therefore, means securing the long-term supply of water for people around the world. In short: it’s a solution of the future.

TO FIND OUT MORE ABOUT

Desalination by Degrémont

Desalination by SUEZ ENVIRONNEMENT

Reverse osmosis

Desalination plant at Perth, Australia

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If these items are in a bag, or perhaps a tarp or piece of cloth, ensure the bottom is tied off, but has a small hole for water to drip through. Start by putting in a layer of finer materials like sand, cloth, small pebbles, etc. Then add some larger rocks and bits of charcoal (if you made a fire). Then, start over with another fine layer, and coarse layer atop that. It will look like a layer cake when you’re finished. This will eliminate impurities in the water, and some larger bacteria, but certainly not all of them.

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Preparation
•    If the sand has a lot of debris in it, use a strainer to strain out the large debris and purify the sand.
•    Place some salt and sand separately on a napkin and, using the magnifying glass, closely examine the salt and sand. What do you notice? How does the size, shape and color of the grains of sand compare with the grains of salt?
•    Be careful when using the stove and oven, and when handling the boiling water. An adult should help you with these steps.

Procedure
•    In a glass jar add one quarter cup of salt and one quarter cup of sand. Put the lid on the jar and shake until the salt and sand are completely mixed together.*
•    Using the magnifying lens, closely examine the mixture. What do you notice? Can you still see the individual grains of salt and sand?
•    Fill the teakettle or pot with at least one cup of water. Heat the water on the stove until it is boiling. Be careful when using the stove and handling the boiling water. An adult should help you with this.
•    Very carefully pour one half cup of boiling water into the jar and stir the mixture with a spoon. Be careful when handling the boiling water, which will make the jar become very hot! (Caution: You should pour the water very slowly, so the glass jar does not shatter from a rapid change in temperature.)
•    Using the magnifying lens, closely examine the solution. What do you notice? Can you still see the individual grains of salt and sand?
•    Place the coffee filter in the funnel and place the funnel on top of the second glass jar. Slowly pour the entire solution over the filter. As the solution seeps through the filter, let it collect in the second jar.
•    Looking at the coffee filter, what do you see? Carefully scrape off any particles from the coffee filter with a spoon and place them in the first jar.
•    Turn the oven on to 325 degrees Fahrenheit. Be careful when using the oven and ask an adult to help you with this. Place both jars on to a cookie sheet and bake them in the oven until all of the water has evaporated from them. This may take over an hour. When you check on the jars to see how much water has evaporated, what do you notice?
•    Turn off the oven and let it cool down. (When glass changes temperature very quickly, it can shatter.) Then, using oven mitts, carefully remove the jars and allow them to cool to room temperature. They will probably still be very hot!
•    After the jars are cool, closely examine their contents using the magnifying glass. What do you notice? Can you still see the individual grains of salt and sand? Are they mixed together or separated?
•    Extra : At the end of this activity, you can carefully use a measuring cup to measure the amount of salt and sand you ended up with. Do these amounts match the amounts you started with? Why do you think this happened?
•    Extra: Many different chemicals have different degrees of solubility. By adding different amounts of salt, sugar or baking soda to water you can see how soluble each chemical is. Just add each chemical, one teaspoon at a time, to a half-full glass of water until you notice that it no longer dissolves when you stir it. Which chemical is the most soluble (dissolves the most into the same amount of water); which chemical is the least soluble?
•    Extra: How might temperature affect the solubility of a chemical? Try dissolving the same amount of sugar in hot water, room-temperature water and ice-cold water, using the same amount of water each time. What happens? Can you think of other variables that might affect solubility?

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You can do one of three things:
(a) You can cool the salty water. Ice will form and the ice will not have salt in it. One you pull out the ice and melt it, you will have pure water. This is called freezing.
(b) You can evaporate the water by boiling it. If you collect and cool the vapor, the water you collect will be pure and all the salt will be left behind. This is called distillation.
(c) You can pump the salty water thought something called a reverse-osmosis membrane, which is a kind of special filter. On the side that you pump, the salt will be left behind. On the other side of the membrane you will obtain pure water.

Answer 2:
If you distill the water you can get the pure water. Once all the water had evaporated you are left with the sea salts. Distillation means that you heat the water salty solution and collect the vapor and cool it down, to get the water back into the liquid phase.

Answer 3:
A good way to do this would be to boil the water. When salty water boils only the pure water will turn into steam, but the salt will be left behind.
You could do this with a test tube of sea water. Put a little sea water in the test tube and seal with a stopper, but use a stopper which has a hole in it to connect a length of tubing. You can put the other end of the tubing loosely in another test tube.
Now boil the water in the 1st test tube using a bunsen burner. The sea water will boil and turn into steam. Hot steam rises and will rush into the tubing. As the steam moves along the tubing it will cool and turn back into water (condense) This clean condensed water can then be collected in the second test tube.
When all the sea water has boiled away you should notice that the salt is left behind.

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i like turtles

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Every pure substance has its own particular melting point and boiling point. One way to check the purity of the separated liquid is to measure its boiling point. For example, pure water boils at 100°C. If it contains any dissolved solids, its boiling point will be higher than this.

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Preparation
•    If the sand has a lot of debris in it, use a strainer to strain out the large debris and purify the sand.
•    Place some salt and sand separately on a napkin and, using the magnifying glass, closely examine the salt and sand. What do you notice? How does the size, shape and color of the grains of sand compare with the grains of salt?
•    Be careful when using the stove and oven, and when handling the boiling water. An adult should help you with these steps.

Procedure
•    In a glass jar add one quarter cup of salt and one quarter cup of sand. Put the lid on the jar and shake until the salt and sand are completely mixed together.*
•    Using the magnifying lens, closely examine the mixture. What do you notice? Can you still see the individual grains of salt and sand?
•    Fill the teakettle or pot with at least one cup of water. Heat the water on the stove until it is boiling. Be careful when using the stove and handling the boiling water. An adult should help you with this.
•    Very carefully pour one half cup of boiling water into the jar and stir the mixture with a spoon. Be careful when handling the boiling water, which will make the jar become very hot! (Caution: You should pour the water very slowly, so the glass jar does not shatter from a rapid change in temperature.)
•    Using the magnifying lens, closely examine the solution. What do you notice? Can you still see the individual grains of salt and sand?
•    Place the coffee filter in the funnel and place the funnel on top of the second glass jar. Slowly pour the entire solution over the filter. As the solution seeps through the filter, let it collect in the second jar.
•    Looking at the coffee filter, what do you see? Carefully scrape off any particles from the coffee filter with a spoon and place them in the first jar.
•    Turn the oven on to 325 degrees Fahrenheit. Be careful when using the oven and ask an adult to help you with this. Place both jars on to a cookie sheet and bake them in the oven until all of the water has evaporated from them. This may take over an hour. When you check on the jars to see how much water has evaporated, what do you notice?
•    Turn off the oven and let it cool down. (When glass changes temperature very quickly, it can shatter.) Then, using oven mitts, carefully remove the jars and allow them to cool to room temperature. They will probably still be very hot!
•    After the jars are cool, closely examine their contents using the magnifying glass. What do you notice? Can you still see the individual grains of salt and sand? Are they mixed together or separated?
•    Extra : At the end of this activity, you can carefully use a measuring cup to measure the amount of salt and sand you ended up with. Do these amounts match the amounts you started with? Why do you think this happened?
•    Extra: Many different chemicals have different degrees of solubility. By adding different amounts of salt, sugar or baking soda to water you can see how soluble each chemical is. Just add each chemical, one teaspoon at a time, to a half-full glass of water until you notice that it no longer dissolves when you stir it. Which chemical is the most soluble (dissolves the most into the same amount of water); which chemical is the least soluble?
•    Extra: How might temperature affect the solubility of a chemical? Try dissolving the same amount of sugar in hot water, room-temperature water and ice-cold water, using the same amount of water each time. What happens? Can you think of other variables that might affect solubility?

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put carrots

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First add water and then the salt and baking soda will become a mixture and to use the paper chometry method and the

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(Answer for the first question)
If you accidentally add salt to your sugar bowl or sugar to your salt shaker, your best option is to pitch the mixture and start fresh. If, however, you are interested in separating salt and sugar as a scientific experiment, there are ways to accomplish the task. To be clear, though, of the two methods described here, one is simple and safe but arduous and never completely successful, while the other is a chemistry experiment that can be extremely dangerous without proper precautions, know-how, and supervision. Do not attempt the second method unless you are well-versed in safety protocols and have the proper supervision and/or instruction.

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Simple distillation is a method for separating the solvent from a solution. For example, water can be separated from salt solution by simple distillation. This method works because water has a much lower boiling point than salt. When the solution is heated, the water evaporates. It is then cooled and condensed into a separate container. The salt does not evaporate and so it stays behind.

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Ways to separate water from the mud, put a piece of filter paper in a funnel over a beaker to collect the water. Pour the mixture through the filter paper and allow all of the water to drip down into the beaker leaving the mud completely dry. You might have to leave it for 2 hours, after 2 hours u have a clean water on a beaker.and u will have ur own clean and water

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There are two ways to separate mud from water, filtration or boiling the water from the mixture.

To filter the water from the mud, put a piece of filter paper in a funnel over a beaker to collect the water. Pour the mixture through the filter paper and allow all of the water to drip down into the beaker leaving the mud completely dry. You might have to leave it overnight.

The video below shows how filtration can be used to separate calcium carbonate (chalk) from water.To boil the water form the mixture, set up a ring stand with wire gauze and a bunsen burner under the ring. Fill a beaker with the mixture of mud and water and place it on the wire gauze. Properly light the bunsen burner and allow all of the water to evaporate from the mixture, leaving the mud behind. You may want to repeat this a couple times to be sure all of the water was evaporated. In this method, you can't collect the water.

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Separate Salt and Water Using Distillation. You can boil or evaporate the water and the salt will be left behind as a solid. If you want to collect the water, you can use distillation. This works because salt has a much higher boiling point than water

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How can we obtain water from seawater?
1) Find a 2 plastic bottle and a sharp object to cut the bottom of the plastic bottle.
2) Find different sizes of stones
3) Then fill the plastic bottle with half of the muddy seawater. After that, drop the different sizes of stones smaller to bigger stones and collect the clear water with another plastic bottle. Finally you will have your clear water.

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Sugar is soluble in alcohols while salt is not. Simply mix the two in alcohol and filter the solution to get the salt. Then evaporate the alcohol sugar mixture and you will be left with the sugar. Done.

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Depends on if you want to keep them both. You can't put them in water, because they both dissolve into it and can only be retained through evaporation. That won't help you considering they will both be mixed. I guess you could add a chemical to it that reacts with one or the other and then boil it to leave only salt

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take out salt.

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o filter the water from the mud, put a piece of filter paper in a funnel over a beaker to collect the water. Pour the mixture through the filter paper and allow all of the water to drip down into the beaker leaving the mud completely dry. You might have to leave it overnight .or Separate Salt and Water Using Distillation. You can boil or evaporate the water and the salt will be left behind as a solid. If you want to collect the water, you can use distillation. This works because salt has a much higher boiling point than water.

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You can boil or evaporate the water and the salt will be left behind as a solid.

If you want to collect the water, you can use distillation. This works because salt has a much higher boiling point than water. One way to separate salt and water at home is to boil the salt water in a pot with a lid. Offset the lid slightly so that the water that condenses on the inside of the lid will run down the side to be collected in a separate container.
When all of the water has boiled off, the salt will remain in the pot.

Evaporation works the same way as distillation, just at a slower rate. Pour the salt water into a shallow pan. As the water evaporates, the salt will remain behind. You can speed up the process by raising the temperature or by blowing dry air over the surface of the liquid. A variation of this method is to pour the saltwater onto a piece of dark construction paper or a coffee filter.

This makes recovering the salt crystals easier than scraping them out of the pan.

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You can use water to get the baking soda up

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Sugar is soluble in alcohols while salt is not. Simply mix the two in alcohol and filter the solution to get the salt. Then evaporate the alcohol sugar mixture and you will be left with the sugar.

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you have to get some muddy seawater from the sea and you need 1 clean tissue paper 1 plastic bottle. cut the plastic bottle and use the top half of the plastic bottle as a filter funnel and the bottom part of the bottle as a container to stored water. First, u need the muddy water from the sea. second, you need to used a tissue paper and cover the plastic funnel with it and put the plastic funnel in the bottom part of the bottle that you used to stored water then pour the seawater on top of the tissue paper and watch the water from dirty to clean. here is the link: Http://Youtube.com/How to survive with seawater to clean water.

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https://padlet.com/rizarox/h7d6kvpxjjbd

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How can we obtain salt from a mixture of salt and baking powder?

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How can we obtain salt from a mixture of salt and baking powder?

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Each team to post your plan here. You can attach video link or graphics to support your answer.

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Each team to post your plan here. You can attach video link or graphics to support your answer.