This document provides an overview of various methods for separating substances. It begins with an introduction explaining why separation is often needed, such as to remove impurities. The document then details several separation techniques including handpicking, threshing, winnowing, sieving, sedimentation, decantation, filtration, and evaporation. It notes that multiple techniques may be needed to separate some substances like salt from sand. The document also discusses saturated solutions and how heating can increase the amount of solute water can dissolve. It concludes by defining some key terms related to separation.
This document provides information about separation of substances. It begins by giving examples of how substances are separated in everyday life, such as straining tea leaves from tea or removing husks from grain. It then discusses several methods used to separate substances, including hand picking, threshing, winnowing, sieving, evaporation, sedimentation/decantation, and filtration. It explains these methods and provides examples. It notes that multiple separation techniques may need to be used together to separate certain substance mixtures. The document also discusses saturated and unsaturated solutions.
science Chapter 5 separation of substancesPOORVIKAREDDY
This document provides an e-content lesson on the separation of substances for 6th grade science. It defines key terms like evaporation and discusses various separation methods like filtration, sedimentation, decantation, and evaporation. It explains how these methods are used to separate mixtures like sand and water, salt and water, and husk from grains. The document also discusses saturated and unsaturated solutions and provides examples of separation techniques used in daily life.
The document discusses different methods for separating substances that are mixed together. It provides examples of separation that occur in everyday life, such as removing tea leaves from tea or stones from rice. The key methods discussed include hand picking, threshing, winnowing, sieving, evaporation, sedimentation, decantation and filtration. Each method utilizes differences in properties between the components, like size, weight or solubility, to separate them. Often multiple techniques must be combined to fully separate substances within a mixture.
This document discusses different methods of separating substances that are mixed together. It provides examples of separation techniques used in everyday life, such as straining tea leaves from tea or removing stones from rice. The key methods of separation described are hand picking, threshing, winnowing, sieving, evaporation, sedimentation, decantation and filtration. Often multiple techniques must be used together to separate substances that have similar properties. For instance, to separate a mixture of salt and sand, one would use decantation to separate the salt solution from the sand, and then evaporation and condensation to separate the salt from the water.
This document discusses various methods of separating substances from mixtures, including:
1. Handpicking, threshing, winnowing, sieving, sedimentation, decantation, filtration, evaporation to separate components of mixtures based on properties like size, weight, solubility.
2. Multiple separation methods may be needed to separate all substances in complex mixtures.
3. Evaporation of sea water produces salt by leaving the dissolved salts behind after the water evaporates. Condensation is the reverse process of evaporation.
This document provides an overview of various physical separation methods used to separate components of mixtures, including handpicking, winnowing, threshing, evaporation, filtration, condensation, decantation, sedimentation, churning, straining, and water treatment. It discusses the basic process and examples of uses for each method. Distillation, centrifuges, separating funnels, and river water treatment are also summarized in more detail.
There are three types of mixtures: solutions, suspensions, and colloids. Filtration is used to purify water by removing solid particles, making brown water potable. Distillation is the best purification method, which involves boiling water to evaporate it, then condensing the vapor to produce clean water. Desalination facilities remove salt from seawater through distillation, but require a lot of energy. Alternative methods of heating water for evaporation could help reduce energy costs for purification.
1) The document discusses various methods for separating substances from mixtures, including handpicking, threshing, sieving, winnowing, sedimentation, decantation, filtration, evaporation, and condensation.
2) Key separation methods include threshing grains from stalks, sieving to separate particles of different sizes, and winnowing to separate lighter and heavier particles using wind.
3) More advanced techniques involve sedimentation, decantation, and filtration to separate solids and liquids, or evaporation and condensation to separate soluble solids like salt from water.
This document provides information about separation of substances. It begins by giving examples of how substances are separated in everyday life, such as straining tea leaves from tea or removing husks from grain. It then discusses several methods used to separate substances, including hand picking, threshing, winnowing, sieving, evaporation, sedimentation/decantation, and filtration. It explains these methods and provides examples. It notes that multiple separation techniques may need to be used together to separate certain substance mixtures. The document also discusses saturated and unsaturated solutions.
science Chapter 5 separation of substancesPOORVIKAREDDY
This document provides an e-content lesson on the separation of substances for 6th grade science. It defines key terms like evaporation and discusses various separation methods like filtration, sedimentation, decantation, and evaporation. It explains how these methods are used to separate mixtures like sand and water, salt and water, and husk from grains. The document also discusses saturated and unsaturated solutions and provides examples of separation techniques used in daily life.
The document discusses different methods for separating substances that are mixed together. It provides examples of separation that occur in everyday life, such as removing tea leaves from tea or stones from rice. The key methods discussed include hand picking, threshing, winnowing, sieving, evaporation, sedimentation, decantation and filtration. Each method utilizes differences in properties between the components, like size, weight or solubility, to separate them. Often multiple techniques must be combined to fully separate substances within a mixture.
This document discusses different methods of separating substances that are mixed together. It provides examples of separation techniques used in everyday life, such as straining tea leaves from tea or removing stones from rice. The key methods of separation described are hand picking, threshing, winnowing, sieving, evaporation, sedimentation, decantation and filtration. Often multiple techniques must be used together to separate substances that have similar properties. For instance, to separate a mixture of salt and sand, one would use decantation to separate the salt solution from the sand, and then evaporation and condensation to separate the salt from the water.
This document discusses various methods of separating substances from mixtures, including:
1. Handpicking, threshing, winnowing, sieving, sedimentation, decantation, filtration, evaporation to separate components of mixtures based on properties like size, weight, solubility.
2. Multiple separation methods may be needed to separate all substances in complex mixtures.
3. Evaporation of sea water produces salt by leaving the dissolved salts behind after the water evaporates. Condensation is the reverse process of evaporation.
This document provides an overview of various physical separation methods used to separate components of mixtures, including handpicking, winnowing, threshing, evaporation, filtration, condensation, decantation, sedimentation, churning, straining, and water treatment. It discusses the basic process and examples of uses for each method. Distillation, centrifuges, separating funnels, and river water treatment are also summarized in more detail.
There are three types of mixtures: solutions, suspensions, and colloids. Filtration is used to purify water by removing solid particles, making brown water potable. Distillation is the best purification method, which involves boiling water to evaporate it, then condensing the vapor to produce clean water. Desalination facilities remove salt from seawater through distillation, but require a lot of energy. Alternative methods of heating water for evaporation could help reduce energy costs for purification.
1) The document discusses various methods for separating substances from mixtures, including handpicking, threshing, sieving, winnowing, sedimentation, decantation, filtration, evaporation, and condensation.
2) Key separation methods include threshing grains from stalks, sieving to separate particles of different sizes, and winnowing to separate lighter and heavier particles using wind.
3) More advanced techniques involve sedimentation, decantation, and filtration to separate solids and liquids, or evaporation and condensation to separate soluble solids like salt from water.
This document discusses various solid-liquid separation methods including decantation, evaporation, and filtration. Decantation involves separating solid and liquid components of a mixture using gravity, while evaporation removes a soluble solid by heating and vaporizing the solvent. Filtration passes a liquid through a filter medium to separate solid particles. These methods are used in applications like separating cream from milk, obtaining salt from evaporating water, and filtering particles from recycled water.
Separation techniques by Nikhar, Andrew, Kushal, Tyler, Aaron and Shehanalice_leung
There are several methods for separating mixtures including sieving, filtration, decanting, floatation, evaporation, and distillation. Sieving separates large insoluble substances from small ones by allowing small particles to pass through the sieve. Filtration uses a filter paper to trap small particles in a mixture and allow liquid to pass through. Decanting involves carefully pouring off liquid from sediment that has settled on the bottom. Floatation separates substances based on differences in density, allowing the less dense substance to rise to the top. Evaporation and distillation both involve heating a liquid mixture so the vapor can be separated and collected, with distillation producing a purer substance.
The document discusses various methods of separating mixtures into their pure components. It begins by giving examples of why separation is needed, such as separating butter from milk or removing tea leaves from tea. It then discusses different techniques for separating solids, liquids, and soluble/insoluble substances. These include handpicking, winnowing, sieving, sedimentation, decantation, filtration, evaporation, distillation, and more. The document provides detailed explanations of these various separation processes and their applications.
This document discusses various techniques for purifying substances, including filtration, crystallization, distillation, and chromatography. It provides examples of how each technique works and the types of mixtures it can be used to separate. Key points include:
- Filtration separates insoluble solids from liquids by passing the mixture through a filter paper.
- Crystallization forms pure crystals of a soluble solid by slowly evaporating the solvent from a saturated solution.
- Distillation boils a liquid mixture and condenses the vapor to separate components with different boiling points.
- Chromatography separates mixtures by exploiting differences in how substances partition between a stationary and mobile phase.
This document discusses various methods for separating mixtures, including magnetism, filtration, sieving, extraction, evaporation, distillation, and sedimentation. It provides examples of how each method can be used to separate common mixtures like sand and water, nails and wood chips, coffee beans and grounds. The key methods are using magnetic, physical, or chemical properties to differentiate components, then employing tools like filters, sieves, solvents, heat, or settling to complete the separation.
This document discusses various techniques for purifying substances, including filtration, crystallization, distillation, and chromatography. It provides examples of how each technique works and the types of mixtures it can be used to separate. Key points include:
- Filtration separates insoluble solids from liquids by passing the mixture through a filter paper.
- Crystallization forms pure crystals of a soluble solid by slowly evaporating the solvent from a saturated solution.
- Distillation boils a liquid mixture and condenses the vapor to separate components with different boiling points.
- Chromatography separates mixtures by exploiting differences in how substances partition between a stationary and mobile phase.
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Describes how the four separation techniques work through pictures and detailed explanation, so as to give a better idea of how different separation techniques work and develop interest.
This document discusses various physical separation techniques for mixtures. It describes 12 different methods: hand picking, winnowing, threshing, magnetic attraction, sifting/sieving, filtration, sedimentation, decantation, sublimation, evaporation, distillation, and boiling. Common examples are provided for each technique to separate mixtures like grains from husks, solids from liquids, or soluble and insoluble components.
Common techniques for separating mixtures include chromatography, distillation, evaporation, and filtration. Chromatography separates mixtures using solvents and a solid medium. Distillation uses differences in boiling points to separate liquid mixtures by heating and condensing components. Evaporation removes liquids from solutions by heating, leaving behind solids. Filtration separates particles of different sizes using a porous material.
SEPARATION OF SUBSTANCE -SCIENCE (NCERT) CLASS-VIBIOLOGY TEACHER
1. The document discusses various methods of separating mixtures into pure substances, including handpicking, sieving, magnetic separation, sedimentation, decantation, filtration, evaporation, distillation, and churning.
2. Separation methods work by exploiting differences in properties like particle size, density, melting/boiling points between components of a mixture. Magnetic separation separates out iron filings. Sieving and winnowing separate components by size.
3. Specific techniques are used to separate insoluble solids from liquids, including sedimentation, decantation, coagulation/loading, and filtration. Distillation separates components by selective boiling and condensation.
The document discusses various separation techniques including filtration, distillation, magnetic attraction, evaporation, and paper chromatography. It explains how each technique uses differences in properties between constituents in a mixture to separate them. Specific examples are given of how these techniques are used to separate substances and obtain pure water from sea water through desalination.
CHEM 1411 Alternate Separation of a Mixture LabObjectives1. To unJinElias52
CHEM 1411 Alternate Separation of a Mixture LabObjectives:
1. To understand different physical separation techniques
2. To separate the components of a mixture of sand (SiO2), table salt (NaCl) and ammonium chloride (NH4Cl), using various separation techniques
3. To determine the percent composition of each component
4. To determine the percent recovery of the total mixtureMaterials:
· 2 g unknown sample
· Small evaporating dish
· Large evaporating dish
· Watch glass
· Bunsen burner
· Balance
· Clay triangle
· Clay square
· Glass stirring rod
· Evaporating dish tongsIntroduction:
Matter can be generally classified either by state (liquid, gas, or solid) or by composition. In terms of composition, there are two types of matter: pure substances and mixtures. A
pure substance is matter that has a fixed composition and distinct properties. Elements or compounds are pure substances (e.g. water, helium.) On the other hand, a
mixture is matter that consists of two or more pure substances physically combined in varying amounts (e.g. salt water). There are two types of mixtures: homogeneous and heterogeneous mixtures. Whereas a
homogeneous mixture is uniform throughout, the components of a
heterogeneous mixture vary throughout and can be distinguished. For instance, granite (a type of rock) is a heterogeneous mixture.
Regardless of the type of mixture, the components of a mixture can always be separated by physical means. Some examples of physical methods of separation are defined below.
Decantation is the rough separation of a liquid from a solid. It consists of pouring the liquid out and leaving the solid in the container.
No filter paper is needed in this process.
As an example,
sand and water can be separated by decantation.
Filtration is the fine separation of a solid material from a liquid with the help of filter paper and a funnel or other porous membrane. In this process, the solid or residue is collected on a filter paper. The liquid that passes through the filter paper is called the filtrate.
Extraction involves using a solvent to dissolve only one component of a mixture so that it can be removed from the other component(s). For example, if only one solid is soluble in water, extraction could be used to dissolve that component and then the aqueous solution can be removed from the mixture by decantation or filtration.
Distillation is a separation technique that uses the different boiling points of liquids. It consists of vaporizing a liquid substance out of a mixture of two or more liquids and condensing it into a separate container using a condenser. For example, alcohol can be separated from water in an aqueous solution by distillation because the alcohol has a lower boiling point than water.
Sublimation is the direct phase change from solid to gas. Ammonium chloride sublimates when heated. Thi ...
This document summarizes several activities related to water usage and purification. It discusses common household water usage, then describes lab activities where students simulate water treatment processes. The lab activities involve filtering mixtures of water and oil or organic matter using activated charcoal, cotton wool, sand, and pebbles to purify the water. The conclusion is that the student's filtration setup works better than a commercial filtration kit for purifying water samples.
Different Processes in Separating and Purifying Substances and Mixtures.docxLarryMar3
Different processes can be used to separate substances and mixtures. These include decantation to separate immiscible liquids by removing the upper layer, filtration to separate solids from liquids or gases using a filter medium, and centrifugation to separate mixtures by spinning. Other processes are crystallization to separate solids from solutions in crystalline form, distillation to separate pure liquid mixtures by vaporization and condensation, and evaporation to separate salt solutions by vaporizing the liquid. Chromatography also separates mixtures by passing them through a medium in which components move at different rates. Common substances that may be separated include water, salt, ammonia, methane, carbon dioxide, acids, sugars and vinegar.
1. Fluids are substances that have no fixed shape and can flow, including liquids and gases. Fluids are found in many technologies and natural processes.
2. Fluids help with transporting materials like oil sands in slurries, processing materials like melting sand into glass, and holding other materials like ingredients in toothpaste.
3. Fluid properties like viscosity, density, and compressibility determine how fluids behave and can be used. Understanding these properties allows for developing new fluid technologies.
The document discusses several methods for separating mixtures: sieving can separate insoluble objects; filtration uses filter paper to trap insoluble substances from water; decanting allows insoluble substances to settle and pour off the liquid; floatation separates oil from water using a separating funnel; evaporation boils a liquid to separate dissolved solids from the solvent; and distillation separates mixtures based on differences in boiling points such as separating water and salt from salt water.
This document discusses various solid-liquid separation methods including decantation, evaporation, and filtration. Decantation involves separating solid and liquid components of a mixture using gravity, while evaporation removes a soluble solid by heating and vaporizing the solvent. Filtration passes a liquid through a filter medium to separate solid particles. These methods are used in applications like separating cream from milk, obtaining salt from evaporating water, and filtering particles from recycled water.
Separation techniques by Nikhar, Andrew, Kushal, Tyler, Aaron and Shehanalice_leung
There are several methods for separating mixtures including sieving, filtration, decanting, floatation, evaporation, and distillation. Sieving separates large insoluble substances from small ones by allowing small particles to pass through the sieve. Filtration uses a filter paper to trap small particles in a mixture and allow liquid to pass through. Decanting involves carefully pouring off liquid from sediment that has settled on the bottom. Floatation separates substances based on differences in density, allowing the less dense substance to rise to the top. Evaporation and distillation both involve heating a liquid mixture so the vapor can be separated and collected, with distillation producing a purer substance.
The document discusses various methods of separating mixtures into their pure components. It begins by giving examples of why separation is needed, such as separating butter from milk or removing tea leaves from tea. It then discusses different techniques for separating solids, liquids, and soluble/insoluble substances. These include handpicking, winnowing, sieving, sedimentation, decantation, filtration, evaporation, distillation, and more. The document provides detailed explanations of these various separation processes and their applications.
This document discusses various techniques for purifying substances, including filtration, crystallization, distillation, and chromatography. It provides examples of how each technique works and the types of mixtures it can be used to separate. Key points include:
- Filtration separates insoluble solids from liquids by passing the mixture through a filter paper.
- Crystallization forms pure crystals of a soluble solid by slowly evaporating the solvent from a saturated solution.
- Distillation boils a liquid mixture and condenses the vapor to separate components with different boiling points.
- Chromatography separates mixtures by exploiting differences in how substances partition between a stationary and mobile phase.
This document discusses various methods for separating mixtures, including magnetism, filtration, sieving, extraction, evaporation, distillation, and sedimentation. It provides examples of how each method can be used to separate common mixtures like sand and water, nails and wood chips, coffee beans and grounds. The key methods are using magnetic, physical, or chemical properties to differentiate components, then employing tools like filters, sieves, solvents, heat, or settling to complete the separation.
This document discusses various techniques for purifying substances, including filtration, crystallization, distillation, and chromatography. It provides examples of how each technique works and the types of mixtures it can be used to separate. Key points include:
- Filtration separates insoluble solids from liquids by passing the mixture through a filter paper.
- Crystallization forms pure crystals of a soluble solid by slowly evaporating the solvent from a saturated solution.
- Distillation boils a liquid mixture and condenses the vapor to separate components with different boiling points.
- Chromatography separates mixtures by exploiting differences in how substances partition between a stationary and mobile phase.
Stay focused on our YouTube channel for latest updates on study based on science.
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Feel free to contact us. We like to help you
Describes how the four separation techniques work through pictures and detailed explanation, so as to give a better idea of how different separation techniques work and develop interest.
This document discusses various physical separation techniques for mixtures. It describes 12 different methods: hand picking, winnowing, threshing, magnetic attraction, sifting/sieving, filtration, sedimentation, decantation, sublimation, evaporation, distillation, and boiling. Common examples are provided for each technique to separate mixtures like grains from husks, solids from liquids, or soluble and insoluble components.
Common techniques for separating mixtures include chromatography, distillation, evaporation, and filtration. Chromatography separates mixtures using solvents and a solid medium. Distillation uses differences in boiling points to separate liquid mixtures by heating and condensing components. Evaporation removes liquids from solutions by heating, leaving behind solids. Filtration separates particles of different sizes using a porous material.
SEPARATION OF SUBSTANCE -SCIENCE (NCERT) CLASS-VIBIOLOGY TEACHER
1. The document discusses various methods of separating mixtures into pure substances, including handpicking, sieving, magnetic separation, sedimentation, decantation, filtration, evaporation, distillation, and churning.
2. Separation methods work by exploiting differences in properties like particle size, density, melting/boiling points between components of a mixture. Magnetic separation separates out iron filings. Sieving and winnowing separate components by size.
3. Specific techniques are used to separate insoluble solids from liquids, including sedimentation, decantation, coagulation/loading, and filtration. Distillation separates components by selective boiling and condensation.
The document discusses various separation techniques including filtration, distillation, magnetic attraction, evaporation, and paper chromatography. It explains how each technique uses differences in properties between constituents in a mixture to separate them. Specific examples are given of how these techniques are used to separate substances and obtain pure water from sea water through desalination.
CHEM 1411 Alternate Separation of a Mixture LabObjectives1. To unJinElias52
CHEM 1411 Alternate Separation of a Mixture LabObjectives:
1. To understand different physical separation techniques
2. To separate the components of a mixture of sand (SiO2), table salt (NaCl) and ammonium chloride (NH4Cl), using various separation techniques
3. To determine the percent composition of each component
4. To determine the percent recovery of the total mixtureMaterials:
· 2 g unknown sample
· Small evaporating dish
· Large evaporating dish
· Watch glass
· Bunsen burner
· Balance
· Clay triangle
· Clay square
· Glass stirring rod
· Evaporating dish tongsIntroduction:
Matter can be generally classified either by state (liquid, gas, or solid) or by composition. In terms of composition, there are two types of matter: pure substances and mixtures. A
pure substance is matter that has a fixed composition and distinct properties. Elements or compounds are pure substances (e.g. water, helium.) On the other hand, a
mixture is matter that consists of two or more pure substances physically combined in varying amounts (e.g. salt water). There are two types of mixtures: homogeneous and heterogeneous mixtures. Whereas a
homogeneous mixture is uniform throughout, the components of a
heterogeneous mixture vary throughout and can be distinguished. For instance, granite (a type of rock) is a heterogeneous mixture.
Regardless of the type of mixture, the components of a mixture can always be separated by physical means. Some examples of physical methods of separation are defined below.
Decantation is the rough separation of a liquid from a solid. It consists of pouring the liquid out and leaving the solid in the container.
No filter paper is needed in this process.
As an example,
sand and water can be separated by decantation.
Filtration is the fine separation of a solid material from a liquid with the help of filter paper and a funnel or other porous membrane. In this process, the solid or residue is collected on a filter paper. The liquid that passes through the filter paper is called the filtrate.
Extraction involves using a solvent to dissolve only one component of a mixture so that it can be removed from the other component(s). For example, if only one solid is soluble in water, extraction could be used to dissolve that component and then the aqueous solution can be removed from the mixture by decantation or filtration.
Distillation is a separation technique that uses the different boiling points of liquids. It consists of vaporizing a liquid substance out of a mixture of two or more liquids and condensing it into a separate container using a condenser. For example, alcohol can be separated from water in an aqueous solution by distillation because the alcohol has a lower boiling point than water.
Sublimation is the direct phase change from solid to gas. Ammonium chloride sublimates when heated. Thi ...
This document summarizes several activities related to water usage and purification. It discusses common household water usage, then describes lab activities where students simulate water treatment processes. The lab activities involve filtering mixtures of water and oil or organic matter using activated charcoal, cotton wool, sand, and pebbles to purify the water. The conclusion is that the student's filtration setup works better than a commercial filtration kit for purifying water samples.
Different Processes in Separating and Purifying Substances and Mixtures.docxLarryMar3
Different processes can be used to separate substances and mixtures. These include decantation to separate immiscible liquids by removing the upper layer, filtration to separate solids from liquids or gases using a filter medium, and centrifugation to separate mixtures by spinning. Other processes are crystallization to separate solids from solutions in crystalline form, distillation to separate pure liquid mixtures by vaporization and condensation, and evaporation to separate salt solutions by vaporizing the liquid. Chromatography also separates mixtures by passing them through a medium in which components move at different rates. Common substances that may be separated include water, salt, ammonia, methane, carbon dioxide, acids, sugars and vinegar.
1. Fluids are substances that have no fixed shape and can flow, including liquids and gases. Fluids are found in many technologies and natural processes.
2. Fluids help with transporting materials like oil sands in slurries, processing materials like melting sand into glass, and holding other materials like ingredients in toothpaste.
3. Fluid properties like viscosity, density, and compressibility determine how fluids behave and can be used. Understanding these properties allows for developing new fluid technologies.
The document discusses several methods for separating mixtures: sieving can separate insoluble objects; filtration uses filter paper to trap insoluble substances from water; decanting allows insoluble substances to settle and pour off the liquid; floatation separates oil from water using a separating funnel; evaporation boils a liquid to separate dissolved solids from the solvent; and distillation separates mixtures based on differences in boiling points such as separating water and salt from salt water.
A Visual Guide to 1 Samuel | A Tale of Two HeartsSteve Thomason
These slides walk through the story of 1 Samuel. Samuel is the last judge of Israel. The people reject God and want a king. Saul is anointed as the first king, but he is not a good king. David, the shepherd boy is anointed and Saul is envious of him. David shows honor while Saul continues to self destruct.
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) CurriculumMJDuyan
(𝐓𝐋𝐄 𝟏𝟎𝟎) (𝐋𝐞𝐬𝐬𝐨𝐧 𝟏)-𝐏𝐫𝐞𝐥𝐢𝐦𝐬
𝐃𝐢𝐬𝐜𝐮𝐬𝐬 𝐭𝐡𝐞 𝐄𝐏𝐏 𝐂𝐮𝐫𝐫𝐢𝐜𝐮𝐥𝐮𝐦 𝐢𝐧 𝐭𝐡𝐞 𝐏𝐡𝐢𝐥𝐢𝐩𝐩𝐢𝐧𝐞𝐬:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
𝐄𝐱𝐩𝐥𝐚𝐢𝐧 𝐭𝐡𝐞 𝐍𝐚𝐭𝐮𝐫𝐞 𝐚𝐧𝐝 𝐒𝐜𝐨𝐩𝐞 𝐨𝐟 𝐚𝐧 𝐄𝐧𝐭𝐫𝐞𝐩𝐫𝐞𝐧𝐞𝐮𝐫:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
THE SACRIFICE HOW PRO-PALESTINE PROTESTS STUDENTS ARE SACRIFICING TO CHANGE T...indexPub
The recent surge in pro-Palestine student activism has prompted significant responses from universities, ranging from negotiations and divestment commitments to increased transparency about investments in companies supporting the war on Gaza. This activism has led to the cessation of student encampments but also highlighted the substantial sacrifices made by students, including academic disruptions and personal risks. The primary drivers of these protests are poor university administration, lack of transparency, and inadequate communication between officials and students. This study examines the profound emotional, psychological, and professional impacts on students engaged in pro-Palestine protests, focusing on Generation Z's (Gen-Z) activism dynamics. This paper explores the significant sacrifices made by these students and even the professors supporting the pro-Palestine movement, with a focus on recent global movements. Through an in-depth analysis of printed and electronic media, the study examines the impacts of these sacrifices on the academic and personal lives of those involved. The paper highlights examples from various universities, demonstrating student activism's long-term and short-term effects, including disciplinary actions, social backlash, and career implications. The researchers also explore the broader implications of student sacrifices. The findings reveal that these sacrifices are driven by a profound commitment to justice and human rights, and are influenced by the increasing availability of information, peer interactions, and personal convictions. The study also discusses the broader implications of this activism, comparing it to historical precedents and assessing its potential to influence policy and public opinion. The emotional and psychological toll on student activists is significant, but their sense of purpose and community support mitigates some of these challenges. However, the researchers call for acknowledging the broader Impact of these sacrifices on the future global movement of FreePalestine.
Andreas Schleicher presents PISA 2022 Volume III - Creative Thinking - 18 Jun...EduSkills OECD
Andreas Schleicher, Director of Education and Skills at the OECD presents at the launch of PISA 2022 Volume III - Creative Minds, Creative Schools on 18 June 2024.
How to Manage Reception Report in Odoo 17Celine George
A business may deal with both sales and purchases occasionally. They buy things from vendors and then sell them to their customers. Such dealings can be confusing at times. Because multiple clients may inquire about the same product at the same time, after purchasing those products, customers must be assigned to them. Odoo has a tool called Reception Report that can be used to complete this assignment. By enabling this, a reception report comes automatically after confirming a receipt, from which we can assign products to orders.
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
How to Setup Default Value for a Field in Odoo 17Celine George
In Odoo, we can set a default value for a field during the creation of a record for a model. We have many methods in odoo for setting a default value to the field.
3. INTRODUCTION
On a day-to-day basis, we are faced with various instances when we are required
to separate substances from one another. Whether it is picking out chillies from
our paranthas/poha or separating tea leaves from tea while serving it, the need for
separation of substances is something we encounter on a daily basis. It is usually
because of one or all three of the following reasons:
• To separate two dissimilar but useful elements like in the case of butter and
milk. Milk is churned in order to obtain butter.
• To segregate useless elements from the useful ones like in the case of
separating tea leaves from tea.
• To remove and discard impurities or potentially harmful substances like picking
out small pieces of stones and other impurities from rice and wheat.
Separation of substances 3
4. Separation of substances 4
Problems arise when the materials to be separated are really small in size or differ in their
composition. It is nearly impossible to separate grains of salt from grains of sand by hand or
trying to separate oil from water. We might need to use methods other than simple handpicking
even though for a lot of separation processes, even handpicking might be enough.
Strainer is use to separate tea leaves from tea. This is sieving method
6. HANDPICKING
Separation of substances
6
The simple process of separating slightly bigger
sized harmful substances or other useful
substances or impurities like small pieces of
stones, husk and dirt from grains of wheat, pulses
and rice is called handpicking. In situations when
the quantity of such impurities is not very large,
handpicking turns out to be a time-saving and
convenient procedure of separating substances.
Example: A group of individuals separating two types of
grains
7. THRESHING
Separation of substances
7
After the crop is harvested, stalks are left to dry
under the sun. A single stalk has some 100 pieces
of grain seeds joined to it. It is manually impossible
to pluck each grain seed which is very small in size
from the stalk and hence handpicking as a method
of separation does not work here. That is why we
use a method called threshing to separate these
grain seeds.
Thus, Threshing can be defined as the process of
separating the edible part i.e. grain seeds from the
stalk by either with the help of machines, bullocks
or sometimes by beating them.
Example: Threshing by hand
8. WINNOWING
Separation of substances
8
Even when threshing is done, husk or chaff is still
attached to the grain seed and since the size of the
two is quite similar, handpicking does not work and
neither does threshing. Hence, a method called
winnowing can be used.
Winnowing can be defined as the method of
separating lighter husk particles and heavier grain
seed components by blowing a current of air
through them. The lighter husk particles are carried
away by the wind and the grain seeds get
separated. This husk can be further used as fodder
for the cattle.
Example: Process of winnowing
9. SIEVING
Separation of substances
9
Sometimes even after the grain seeds have
passed through the stages of threshing and
winnowing, husk may still be attached to the grain
or it may have collected stones and dirt in the
earlier stages which need to be removed and this
separation is usually done with the help of a sieve.
Sieving is a very simple, convenient and time-
saving process through which particles of varying
sizes can be separated from each other with the
help of a sieve. A sieve is nothing but a simple
device with small pores in it which allow finer
materials like flour to pass through leaving behind
any impurities it might contain.
Example: Separating Flour from Bran
10. SEDIMENTATION
Separation of substances
10
Sedimentation can be defined as
the process through which dirt and
other heavier particles in a mixture
settle at the bottom of the vessel
when water is added to it. When the
dust and dirt particles have settled,
the clear water which forms the
upper layer is moved to a different
container and the dirt and dust is
done away with. This technique can
also be used to separate two liquids
which do not mix with each other
(also called immiscible liquids) and
is called decantation.
Example: Process of Sedimentation
11. DECANTATION
Separation of substances
11
Decantation can be defined as a technique through
which immiscible liquids or a liquid and a solid
substance are separated. For example, take the
case of oil and water. These are two examples of
immiscible liquids. Once we pour oil in water, oil
forms the upper layer of water and can be easily
separated by gently pouring the mixture in another
container till all the oil has been removed.
Sometimes smaller dirt particles get carried along
with the water in the process of decantation which
needs to be further removed. This can be achieved
through the process of filtration..
Example: Process of Decantation
12. FILTRATION
Separation of substances
12
Filtration is the process through which smaller
particles like dirt etc. are separated from a solution
by making the solution pass through a medium
(often a filter paper). This medium is such that only
liquids are able to pass through it because of the
presence of very tiny pores in it. The filter paper is
molded to form a cone and this cone-like structure
is then affixed to a funnel through which the dirty
solution is allowed to pass. Sometimes, filtration
can also be applied to separate pulp and seeds
from the juice. It can also be used to separate
cottage cheese or paneer from milk.
Example: Filtering sand from water
13. Separation of substances 13
Evaporation is the process of converting liquid into gas or vapor by increasing the temperature or
pressure of the liquid. This process is often used to separate salt from salt water or salty sea
water. Sea water has a number of salts present in it. Shallow pits called evaporation ponds are
constructed and salt water is allowed to stand in these. After some time, the water gets
evaporated, leaving behind the salts. Common salt is separated from this mixture upon further
purification.
Example: Salt Evaporation Ponds
EVAPORATION
14. Separation of substances 14
Often, we are faced with mixtures and solutions that cannot be separated by use of a single
separation technique. A number of such techniques need to be applied simultaneously to achieve
the desired result.
Take for example the case of a salt and sand mixture. We know handpicking will not work and
considering both of them weigh just about the same, neither will winnowing.
And hence we try to separate the two with the help of filtration or decantation.
We take a beaker and add water to the said mixture of salt and sand. While the salt dissolves in
water, the sand deposits at the bottom of the beaker and can be separated from the salt solution
with the help of a filter paper or by gently pouring the salt solution in another container. We now
have to separate the salt from water, for which we will simultaneously use the methods of
evaporation and condensation. While heating the solution in a kettle, we observe that vapour or
steam starts to rise from the spout of the kettle. What we then do is allow this steam to come in
USE OF MORE THAN ONE METHOD OF
SEPARATION
15. Separation of substances 15
which has some ice on it. When this
happens, the steam gets converted to
small drops of water which we transfer
to another container and thus
successfully manage to separate salt
which gets left behind in the kettle and
the water which we collect in a
separate container.
Condensation is the defined as the
simple process of converting gas or
vapor to its liquid form by decreasing
the temperature or pressure exerted on
it. This is what we did when we allowed
the steam to come in contact with the
USE OF MORE THAN ONE METHOD OF
SEPARATION
16. Separation of substances 16
Even though water can dissolve a number of substances and solutions in it, it has a limit to how
much it can dissolve. After a certain point, it stops dissolving any more of that substance and the
substance collects at the bottom of the vessel. We say that the solution has become saturated.
A saturated solution is one that contains the maximum possible concentration of a particular
solute. For example, if we continue to add increasing amounts of salt to a small quantity of water,
there will come a point that the salt will not get mixed with the water and instead deposit at the
bottom. At this point, we say that the solution has become saturated i.e. it is now incapable of
dissolving any more of the given solute which is in this case, salt.
A salute is defined as a very small element in a solution that is dissolved in a solution.
One way of ensuring that the given amount of water takes more salt even after it has reached its
saturation point is by heating the said water. This is because heating the solution helps to
increase the solubility of salt or any solute and hence more amount of the same solute can now
be dissolved in the same amount of water.
CAN WATER DISSOLVE ANY AMOUNT
OF A SUBSTANCE?
17. Separation of substances 17
Churning: The process of shaking milk or cream in order to allow lighter particles to come to the
surface in order to make butter is called churning.
Pure Substance: This can be defined as a substance composed of only a single type of particle.
Impure Substance: A substance composed of more than one type of particles.
Sublimation: When a solid directly gets converted into vapor, this process is known as
sublimation.
Magnetic Separation: This is another method of separation which allows metals (and other
articles which are attracted to a magnet) to be separated from a mixture with the help of a
magnetic or by applying a magnetic force to it. For example, a mixture of salt and iron filings can
be separated with the help of a magnet.
SOME IMPORTANT DEFINITIONS
18. SUMMARY
Separation of substances 18
Handpicking, winnowing, sieving, sedimentation, decantation and filtration are some of the methods of
separating substances from their mixtures.
Husk and stones could be separated from grains by handpicking.
Husk is separated from heavier seeds of grain by winnowing.
Difference in the size of particles in a mixture is utilised to separate them by the process of sieving and
filtration.
In a mixture of sand and water, the heavier sand particles settle down at the bottom and the water can
be separated by decantation.
Filtration can be used to separate components of a mixture of an insoluble solid and a liquid.
Evaporation is the process in which a liquid gets converted into its vapour. Evaporation can be used to
separate a solid dissolved in a liquid.
A saturated solution is one in which no more of that substance can be dissolved.
More of a substance can be dissolved in a solution by heating it.
Water dissolves different amount of soluble substances in it