SIM difference between Evaporation and Vaporization
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this SIM (Strategic Intervention Material) include a short discussion about evaporation and vaporization it include enrichment and activity about the topic
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EVAPORATION
presentation is on the topic of evaporation for class 9th.
it have 15 slides correctly based on the topic of evaporation and also with good images.
Evaporation
Evaporation is the process where a liquid vaporizes below its boiling point. There are four main factors that affect the rate of evaporation: temperature, humidity, wind speed, and surface area. Higher temperatures, lower humidity, stronger winds, and larger surface areas all increase the rate at which evaporation occurs as they enhance the vapor pressure difference between the evaporating surface and the surrounding air.
Evaporation
The document discusses evaporation and different types of evaporators used in evaporation processes. It defines evaporation as the process of removing water or other volatile solvent from an aqueous solution by heating. Various factors that affect evaporation rate are also outlined, such as temperature, vapor pressure, surface area, etc. Different types of evaporators described include open kettle, horizontal tube, vertical tube, falling film, forced circulation, and multiple effect evaporators. Applications of evaporation in industries like pharmaceuticals, food processing, and water treatment are also mentioned.
Matter in our surrounding
PPT FOR CBSE, ICSE BOARD,
CHAPTER 1: MATTER IN OUR SURROUNDING
MATTER, PROPERTIES OF MATTER, CHARACTERISTICS OF MATTER, DIFFUSION, EVAPORATION, SUBLIMATION, KEY OINTS, NOTES.
EXPERIMENTS: PARTICLES OF MATTER ARE VERY SMALL
PARTICLES OF MATTER ARE ALWAYS MOVING
PARTICLES OF MATTER HAVE SPACE BETWEEN THEM.
POTASSIUM PERMANGANATE EXPERIMENT
evaporators
The document summarizes different types of evaporators used in industrial processes. It describes evaporators as equipment used to reduce volume, remove water, and improve storage life. It then provides details on various evaporator types including small scale methods using pans or stills, and large scale methods like calandria, climbing film, and horizontal film evaporators. Key factors affecting evaporation rates like temperature, surface area, and agitation are also summarized.
Class vii physics - pressure
Pressure is determined by the force acting on a surface area. It depends on two factors - the force applied and the area over which that force is spread. Pressure increases with greater force or smaller surface area. In liquids, pressure is transmitted equally in all directions and increases with depth. Atmospheric pressure from gases also increases when the temperature is higher or when there is more air/gas content. Instruments like mercury barometers and manometers can be used to measure gas and liquid pressures.
Fluid mechanic: Archimedes and buoyancy's principles
The basic understanding about pressure is explained. Also, the principles of Archimedes and Buoyancy are included.
Coduction, convection and radiation
Heat can be transferred through three methods: conduction, convection, and radiation. Conduction involves the transfer of heat between objects in direct contact through vibrations of atoms. Convection involves the transfer of heat by the circulation of fluids like air and water. Radiation involves the transfer of heat through electromagnetic waves and does not require a medium. Each method allows for heat to travel from warmer to cooler regions until thermal equilibrium is reached.
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EVAPORATION
presentation is on the topic of evaporation for class 9th.
it have 15 slides correctly based on the topic of evaporation and also with good images.
Evaporation
Evaporation is the process where a liquid vaporizes below its boiling point. There are four main factors that affect the rate of evaporation: temperature, humidity, wind speed, and surface area. Higher temperatures, lower humidity, stronger winds, and larger surface areas all increase the rate at which evaporation occurs as they enhance the vapor pressure difference between the evaporating surface and the surrounding air.
Evaporation
The document discusses evaporation and different types of evaporators used in evaporation processes. It defines evaporation as the process of removing water or other volatile solvent from an aqueous solution by heating. Various factors that affect evaporation rate are also outlined, such as temperature, vapor pressure, surface area, etc. Different types of evaporators described include open kettle, horizontal tube, vertical tube, falling film, forced circulation, and multiple effect evaporators. Applications of evaporation in industries like pharmaceuticals, food processing, and water treatment are also mentioned.
Matter in our surrounding
PPT FOR CBSE, ICSE BOARD,
CHAPTER 1: MATTER IN OUR SURROUNDING
MATTER, PROPERTIES OF MATTER, CHARACTERISTICS OF MATTER, DIFFUSION, EVAPORATION, SUBLIMATION, KEY OINTS, NOTES.
EXPERIMENTS: PARTICLES OF MATTER ARE VERY SMALL
PARTICLES OF MATTER ARE ALWAYS MOVING
PARTICLES OF MATTER HAVE SPACE BETWEEN THEM.
POTASSIUM PERMANGANATE EXPERIMENT
evaporators
The document summarizes different types of evaporators used in industrial processes. It describes evaporators as equipment used to reduce volume, remove water, and improve storage life. It then provides details on various evaporator types including small scale methods using pans or stills, and large scale methods like calandria, climbing film, and horizontal film evaporators. Key factors affecting evaporation rates like temperature, surface area, and agitation are also summarized.
Class vii physics - pressure
Pressure is determined by the force acting on a surface area. It depends on two factors - the force applied and the area over which that force is spread. Pressure increases with greater force or smaller surface area. In liquids, pressure is transmitted equally in all directions and increases with depth. Atmospheric pressure from gases also increases when the temperature is higher or when there is more air/gas content. Instruments like mercury barometers and manometers can be used to measure gas and liquid pressures.
Fluid mechanic: Archimedes and buoyancy's principles
The basic understanding about pressure is explained. Also, the principles of Archimedes and Buoyancy are included.
Coduction, convection and radiation
Heat can be transferred through three methods: conduction, convection, and radiation. Conduction involves the transfer of heat between objects in direct contact through vibrations of atoms. Convection involves the transfer of heat by the circulation of fluids like air and water. Radiation involves the transfer of heat through electromagnetic waves and does not require a medium. Each method allows for heat to travel from warmer to cooler regions until thermal equilibrium is reached.
Evaporation
Evaporation is a process used in the food industry to remove water from raw materials or foodstuffs to produce a more concentrated final product. It involves heating a liquid to vaporize its water content. Some key points:
- Evaporation is used extensively in concentrating fruit and vegetable juices, milk, coffee extracts and in refining sugar and salt.
- It reduces the weight, volume, storage and transportation costs of products while improving storage stability.
- Multiple effect evaporators are more energy efficient as they use steam from one chamber to heat the next, allowing more water to be evaporated with the same amount of steam.
- Food quality must be maintained during evaporation to minimize losses of nutrients
Unit 23 - Fluid Pressure
1) Pressure is equal to force divided by area and is measured in Pascals. Fluids exert pressure on all surfaces they touch due to the force of their molecules.
2) Water pressure increases greatly with depth - at the bottom of the Mariana Trench it is over 1,100 times atmospheric pressure. According to Pascal's principle, pressure changes in a fluid are transmitted equally in all directions.
3) Buoyant force, which causes things to float, is equal to the weight of the fluid displaced and depends on the relative densities of the object and fluid. Ship hulls are able to displace enough water to float despite being made of dense steel.
EVAPORATION
Evaporation is the process where a liquid is converted into a gas below the boiling point due to heat. It occurs at the surface of the liquid as mass is transferred from the surface. Several factors affect evaporation such as temperature, vapor pressure, surface area, and time. Common evaporators used are steam jacketed kettles, horizontal tube evaporators, and rising film evaporators. Steam jacketed kettles are simple but less efficient while rising film evaporators provide a large heat transfer area and minimize contact time.
Change of states of matter.pptx
A change of state is the change of a substance from one physical form of matter to another by changing the temperature and pressure conditions.
Solids, Liquids and Gases
The document discusses the properties of solids, liquids, and gases. It explains that in solids, particles are close together and move slowly, holding a definite shape. In liquids, particles are farther apart and move faster than solids but not as fast as gases, taking the shape of their container. Gases have particles very far apart that move very quickly with no definite shape. It also defines the three phases of matter as solids, liquids, and gases and explains that adding or removing energy causes phase changes between them. When heated, particles in solids, liquids, and gases move faster, causing expansion.
Vapor pressure concept
Vapour pressure is the pressure exerted by a vapour in equilibrium with its condensed phases at a given temperature. It is a measure of how easily a substance transitions into a gas. The Antoine equation relates vapour pressure to temperature using substance-specific coefficients, and allows one to calculate vapour pressure. Water boils when its vapour pressure equals atmospheric pressure, which occurs at 100°C according to the Antoine equation for water. Understanding vapour pressure helps explain physics concepts related to changes of state.
Vapor pressure and boiling
The document discusses vapor pressure and boiling points. It explains that vapor pressure increases with temperature as more liquid molecules escape into the gas phase, creating pressure above the liquid. Boiling occurs when vapor pressure equals atmospheric pressure. Boiling point depends on the strength of molecular attractions, with stronger attractions yielding higher boiling points. Boiling points change with pressure, with lower pressure resulting in lower boiling points and higher pressure yielding higher boiling points.
Matter Our Surrounding
1. Matter is anything that occupies space and has mass. Matter exists in three states: solid, liquid, and gas.
2. Matter can be classified physically based on its state as solid, liquid, or gas, or chemically based on its composition as pure substances or mixtures.
3. The physical properties of matter depend on the behavior of its tiny particles. Particles are in constant motion and attract each other, though they have space between them in all states.
Condensation ppt
Condensation is the change of water from vapor to liquid. It occurs when water vapor condenses, such as from visible breath on a cold day or morning dews on grass. Condensation can be observed using a condenser, which cools vapors until they condense into liquids. An experiment demonstrates condensation by placing a glass over a tub of boiling water covered with a plastic wrap and ice. Vapors from the tub hit the cold ice and condense into liquid droplets inside the plastic wrap, which collect in the glass to produce purified water. Factors like temperature, humidity, and density affect condensation rates.
Mass and Volume of Matter
This document provides instructions for measuring mass, volume, and using the ruler method and water displacement method to calculate volume. It discusses that mass is a measurement of the amount of matter in an object measured in grams. Volume is the amount of space an object takes up, and can be calculated using the ruler method of length x width x height or the water displacement method. The water displacement method involves measuring the increase in water level when an object is submerged.
Forces in Fluids Notes
Forces in fluids can be summarized as follows:
1) Newton's laws apply to all forces, including those exerted by fluids like gases and liquids. Gravity and friction are key forces that affect motion in fluids.
2) Pressure in fluids depends on the force applied and the area over which it is applied. It describes how concentrated a force is and can be calculated as force divided by area.
3) Fluids exert buoyant forces on objects within them depending on factors like the object and fluid densities. Bernoulli's principle and Pascal's principle describe how pressure changes within moving fluids.
factors affecting Evaporation
Evaporation is the process by which a liquid is converted into vapor below the boiling point. There are four main factors that affect the rate of evaporation: temperature, humidity, wind speed, and surface area. Higher temperatures, lower humidity, stronger winds, and larger surface areas of liquid all increase the rate at which evaporation occurs.
Evaporation
This document discusses evaporation and different types of evaporators used in evaporation processes. It begins by defining evaporation as the process of vaporizing a solvent from a solution below the boiling point of the solvent, leaving a concentrated product. It then discusses various factors that influence the evaporation rate, such as temperature, surface area, vapor pressure, and concentration of the solution. The document goes on to classify different types of evaporators, including natural circulation evaporators, forced circulation evaporators, and multiple effect evaporators. It provides details on the design and working of pan evaporators, tube evaporators, film evaporators, and forced circulation evaporators.
Evaporation, Humidity Measurement and Condensation PPT.pptx
The document discusses evaporation, humidity measurement, and condensation. It defines evaporation as a liquid turning into a gas due to increased energy, and discusses factors that affect the evaporation rate like temperature, vapor pressure, surface area, and time of evaporation. It also explains humidity measurement using water mixing ratio and relative humidity. Finally, it defines condensation as water changing from gas to liquid phases, and describes how it occurs in the atmosphere through cooling of warm air as well as at ground level as fog.
Surface Tension for Beginners
Surface tension is caused by intermolecular forces that cause liquid molecules to stick together. This gives the surface of the liquid elastic properties. Surface tension allows water bugs to walk on water by distributing their weight to depress the surface without breaking through. It causes water to form spherical drops and objects like needles to float. Higher surface tension at lower temperatures causes folds in milk fat layers. Surface tension decreases with increasing temperature as intermolecular forces weaken. It can be calculated using the formula that divides the dragging force by the length of the surface or the work done divided by the change in surface area.
Melting and freezing
This document discusses phase changes of matter between solid, liquid, and gas states. It explains that melting is the process where a solid turns into a liquid when heat is added, as the particles gain energy and move freely. Freezing is the reverse process where a liquid turns into a solid when heat is removed, forcing the particles to slow down and form a rigid structure. Water's freezing point is given as 0 degrees Celsius. Students are directed to explain particle behavior during melting/freezing of ice and candle wax using the particle model of matter, and predict what would happen if the liquids were left in certain conditions.
Solubility investigation
Presentation by Dr Anne Stevens. Part of our Grade 5 Science Fair
http://learning.bishops.org.za/science-fair-2013/
Heat transfer
1. Heat transfer is the process of transfer of heat from a high temperature system to a low temperature system, and can occur through three modes: conduction, convection, and radiation.
2. There are different types of heat transfer based on whether convection occurs naturally via fluid currents or is forced through external means like pumps. Key applications of heat transfer include evaporation, distillation, drying, and sterilization.
3. The rate of heat transfer depends on factors like temperature difference, surface area, thickness, and the thermal conductivity or heat transfer coefficients of materials. Mechanisms like conduction follow Fourier's Law while convection involves heat transfer through fluid layers and stagnant films at surfaces.
Density
This document discusses density and how to calculate it by dividing mass by volume. It provides the formula, D = m/v, and examples of calculating density when given the mass and volume of different objects, or using density and one value to find the other. Density can be used to determine if an object will float or sink in water based on its density compared to the density of water.
Heat transfer By Ankita Yagnik
Heat transfer occurs through three mechanisms: conduction, convection, and radiation. Conduction involves the transfer of energy between adjacent atoms without bulk motion. Convection relies on the bulk motion of a fluid like gas or liquid to transfer heat. Radiation transfers heat through electromagnetic waves. Fourier's law describes conduction as directly proportional to the temperature difference and area and inversely proportional to thickness. Resistance to heat flow can occur in series or parallel. Convection involves heat transfer through a thin boundary film at a surface.
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The document describes an interactive student tool called the Strategic Interactive Intervention Material (SIIM) that uses guide cards, activity cards, assessment cards, and reference cards to help students develop their understanding of grammar topics in English, including the topic of adverbs. The cards include activities for students to identify and classify examples of adverbs based on their time, place, manner, or degree. The document provides answers and explanations to the adverb activities and exercises included in the various cards.
Evaporation
The document discusses evaporation and the factors that affect the rate of evaporation, including temperature, surface area, humidity, and air movement. It explains that evaporation is a cooling process where fast-moving liquid particles escape at the surface and enter the vapor phase, lowering the temperature of the remaining liquid. Condensation is described as the opposite process of evaporation. Examples are provided to illustrate how to calculate the energy required for evaporation and the increase in body temperature if that energy was not removed through sweating during exercise.
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Evaporation
Evaporation is a process used in the food industry to remove water from raw materials or foodstuffs to produce a more concentrated final product. It involves heating a liquid to vaporize its water content. Some key points:
- Evaporation is used extensively in concentrating fruit and vegetable juices, milk, coffee extracts and in refining sugar and salt.
- It reduces the weight, volume, storage and transportation costs of products while improving storage stability.
- Multiple effect evaporators are more energy efficient as they use steam from one chamber to heat the next, allowing more water to be evaporated with the same amount of steam.
- Food quality must be maintained during evaporation to minimize losses of nutrients
Unit 23 - Fluid Pressure
1) Pressure is equal to force divided by area and is measured in Pascals. Fluids exert pressure on all surfaces they touch due to the force of their molecules.
2) Water pressure increases greatly with depth - at the bottom of the Mariana Trench it is over 1,100 times atmospheric pressure. According to Pascal's principle, pressure changes in a fluid are transmitted equally in all directions.
3) Buoyant force, which causes things to float, is equal to the weight of the fluid displaced and depends on the relative densities of the object and fluid. Ship hulls are able to displace enough water to float despite being made of dense steel.
EVAPORATION
Evaporation is the process where a liquid is converted into a gas below the boiling point due to heat. It occurs at the surface of the liquid as mass is transferred from the surface. Several factors affect evaporation such as temperature, vapor pressure, surface area, and time. Common evaporators used are steam jacketed kettles, horizontal tube evaporators, and rising film evaporators. Steam jacketed kettles are simple but less efficient while rising film evaporators provide a large heat transfer area and minimize contact time.
Change of states of matter.pptx
A change of state is the change of a substance from one physical form of matter to another by changing the temperature and pressure conditions.
Solids, Liquids and Gases
The document discusses the properties of solids, liquids, and gases. It explains that in solids, particles are close together and move slowly, holding a definite shape. In liquids, particles are farther apart and move faster than solids but not as fast as gases, taking the shape of their container. Gases have particles very far apart that move very quickly with no definite shape. It also defines the three phases of matter as solids, liquids, and gases and explains that adding or removing energy causes phase changes between them. When heated, particles in solids, liquids, and gases move faster, causing expansion.
Vapor pressure concept
Vapour pressure is the pressure exerted by a vapour in equilibrium with its condensed phases at a given temperature. It is a measure of how easily a substance transitions into a gas. The Antoine equation relates vapour pressure to temperature using substance-specific coefficients, and allows one to calculate vapour pressure. Water boils when its vapour pressure equals atmospheric pressure, which occurs at 100°C according to the Antoine equation for water. Understanding vapour pressure helps explain physics concepts related to changes of state.
Vapor pressure and boiling
The document discusses vapor pressure and boiling points. It explains that vapor pressure increases with temperature as more liquid molecules escape into the gas phase, creating pressure above the liquid. Boiling occurs when vapor pressure equals atmospheric pressure. Boiling point depends on the strength of molecular attractions, with stronger attractions yielding higher boiling points. Boiling points change with pressure, with lower pressure resulting in lower boiling points and higher pressure yielding higher boiling points.
Matter Our Surrounding
1. Matter is anything that occupies space and has mass. Matter exists in three states: solid, liquid, and gas.
2. Matter can be classified physically based on its state as solid, liquid, or gas, or chemically based on its composition as pure substances or mixtures.
3. The physical properties of matter depend on the behavior of its tiny particles. Particles are in constant motion and attract each other, though they have space between them in all states.
Condensation ppt
Condensation is the change of water from vapor to liquid. It occurs when water vapor condenses, such as from visible breath on a cold day or morning dews on grass. Condensation can be observed using a condenser, which cools vapors until they condense into liquids. An experiment demonstrates condensation by placing a glass over a tub of boiling water covered with a plastic wrap and ice. Vapors from the tub hit the cold ice and condense into liquid droplets inside the plastic wrap, which collect in the glass to produce purified water. Factors like temperature, humidity, and density affect condensation rates.
Mass and Volume of Matter
This document provides instructions for measuring mass, volume, and using the ruler method and water displacement method to calculate volume. It discusses that mass is a measurement of the amount of matter in an object measured in grams. Volume is the amount of space an object takes up, and can be calculated using the ruler method of length x width x height or the water displacement method. The water displacement method involves measuring the increase in water level when an object is submerged.
Forces in Fluids Notes
Forces in fluids can be summarized as follows:
1) Newton's laws apply to all forces, including those exerted by fluids like gases and liquids. Gravity and friction are key forces that affect motion in fluids.
2) Pressure in fluids depends on the force applied and the area over which it is applied. It describes how concentrated a force is and can be calculated as force divided by area.
3) Fluids exert buoyant forces on objects within them depending on factors like the object and fluid densities. Bernoulli's principle and Pascal's principle describe how pressure changes within moving fluids.
factors affecting Evaporation
Evaporation is the process by which a liquid is converted into vapor below the boiling point. There are four main factors that affect the rate of evaporation: temperature, humidity, wind speed, and surface area. Higher temperatures, lower humidity, stronger winds, and larger surface areas of liquid all increase the rate at which evaporation occurs.
Evaporation
This document discusses evaporation and different types of evaporators used in evaporation processes. It begins by defining evaporation as the process of vaporizing a solvent from a solution below the boiling point of the solvent, leaving a concentrated product. It then discusses various factors that influence the evaporation rate, such as temperature, surface area, vapor pressure, and concentration of the solution. The document goes on to classify different types of evaporators, including natural circulation evaporators, forced circulation evaporators, and multiple effect evaporators. It provides details on the design and working of pan evaporators, tube evaporators, film evaporators, and forced circulation evaporators.
Evaporation, Humidity Measurement and Condensation PPT.pptx
The document discusses evaporation, humidity measurement, and condensation. It defines evaporation as a liquid turning into a gas due to increased energy, and discusses factors that affect the evaporation rate like temperature, vapor pressure, surface area, and time of evaporation. It also explains humidity measurement using water mixing ratio and relative humidity. Finally, it defines condensation as water changing from gas to liquid phases, and describes how it occurs in the atmosphere through cooling of warm air as well as at ground level as fog.
Surface Tension for Beginners
Surface tension is caused by intermolecular forces that cause liquid molecules to stick together. This gives the surface of the liquid elastic properties. Surface tension allows water bugs to walk on water by distributing their weight to depress the surface without breaking through. It causes water to form spherical drops and objects like needles to float. Higher surface tension at lower temperatures causes folds in milk fat layers. Surface tension decreases with increasing temperature as intermolecular forces weaken. It can be calculated using the formula that divides the dragging force by the length of the surface or the work done divided by the change in surface area.
Melting and freezing
This document discusses phase changes of matter between solid, liquid, and gas states. It explains that melting is the process where a solid turns into a liquid when heat is added, as the particles gain energy and move freely. Freezing is the reverse process where a liquid turns into a solid when heat is removed, forcing the particles to slow down and form a rigid structure. Water's freezing point is given as 0 degrees Celsius. Students are directed to explain particle behavior during melting/freezing of ice and candle wax using the particle model of matter, and predict what would happen if the liquids were left in certain conditions.
Solubility investigation
Presentation by Dr Anne Stevens. Part of our Grade 5 Science Fair
http://learning.bishops.org.za/science-fair-2013/
Heat transfer
1. Heat transfer is the process of transfer of heat from a high temperature system to a low temperature system, and can occur through three modes: conduction, convection, and radiation.
2. There are different types of heat transfer based on whether convection occurs naturally via fluid currents or is forced through external means like pumps. Key applications of heat transfer include evaporation, distillation, drying, and sterilization.
3. The rate of heat transfer depends on factors like temperature difference, surface area, thickness, and the thermal conductivity or heat transfer coefficients of materials. Mechanisms like conduction follow Fourier's Law while convection involves heat transfer through fluid layers and stagnant films at surfaces.
Density
This document discusses density and how to calculate it by dividing mass by volume. It provides the formula, D = m/v, and examples of calculating density when given the mass and volume of different objects, or using density and one value to find the other. Density can be used to determine if an object will float or sink in water based on its density compared to the density of water.
Heat transfer By Ankita Yagnik
Heat transfer occurs through three mechanisms: conduction, convection, and radiation. Conduction involves the transfer of energy between adjacent atoms without bulk motion. Convection relies on the bulk motion of a fluid like gas or liquid to transfer heat. Radiation transfers heat through electromagnetic waves. Fourier's law describes conduction as directly proportional to the temperature difference and area and inversely proportional to thickness. Resistance to heat flow can occur in series or parallel. Convection involves heat transfer through a thin boundary film at a surface.
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Evaporation, Humidity Measurement and Condensation PPT.pptx
Evaporation, Humidity Measurement and Condensation PPT.pptx
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The document describes an interactive student tool called the Strategic Interactive Intervention Material (SIIM) that uses guide cards, activity cards, assessment cards, and reference cards to help students develop their understanding of grammar topics in English, including the topic of adverbs. The cards include activities for students to identify and classify examples of adverbs based on their time, place, manner, or degree. The document provides answers and explanations to the adverb activities and exercises included in the various cards.
Evaporation
The document discusses evaporation and the factors that affect the rate of evaporation, including temperature, surface area, humidity, and air movement. It explains that evaporation is a cooling process where fast-moving liquid particles escape at the surface and enter the vapor phase, lowering the temperature of the remaining liquid. Condensation is described as the opposite process of evaporation. Examples are provided to illustrate how to calculate the energy required for evaporation and the increase in body temperature if that energy was not removed through sweating during exercise.
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Past Tense:
- I walked to school yesterday.
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Future Tense:
- I will walk to school tomorrow.
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Distillation is a technique used to separate mixtures based on differences in their boiling points. It involves heating a liquid to create vapor, which is then cooled and separated from the original liquid. Evaporation occurs below the boiling point and only at the surface of a liquid, while boiling occurs at or above the boiling point throughout the entire liquid mass. Sublimation is the transition of a substance directly from the solid phase to the gas phase without passing through a liquid phase. Filtration is used to separate particles from fluids by dissolving one component and allowing it to pass through a filter while retaining the other.
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SIM difference between Evaporation and Vaporization
- 4. -process by which liquid changes to its vapours at a temperature below its boiling point -takes place at all temperature. The temperature may change during evaporation -is a slow and silent process -takes place only at the surface of the liquid -the rate of evaporation depend upon the surface area of the liquid and the wind speed, humidity and temperature VAPORIZATION - process by which liquid changes to its vapours at its boiling point -takes only at a fixed temperature called boiling point of the liquid. The temperature during vaporization does not change -is a fast and violent process -takes place over the entire mass of the liquid -the rate of vaporization does not depend upon the surface area, wind speed, humidity and temperature EVAPORATIO N I N T R O D U C T I O N
- 6. Student’s Note Check your understanding!
- 8. Put a check (/) if you think it describes Evaporation or Vaporization Evaporation Vaporization 1 Quick process 2 Occurs at any temperature 3 Slow process 4 Takes places within liquid 5 Bubbles are formed 6 Heat supplied by surrounding 7 No bubbles are seen 8 Occurs at fixed temperature 9 Heat supply energy source 10 Temperature remains constant 11 Slow process ACTIVTY 1C H E C K M E
- 9. P A D F G H H E Q G K O D A C C O O L I N G X Z F S F P A R E H D M S S S R J A L X N B D J N Y L B E F S B H U T A R E I O U D D T O R U V G T T S W L N Q K I Q B M W K E Y H R U A A L L H Y I L B H K P L K F I I X N B D C E T O U B H N Y C B H J I A E L W M W G G U F G H H T S J Q U E M B H U T A R E Y H C N M A R S H K O T O C U T E E W S U R R O U N D I N G I L O V E Y O U B H E K O G H E R U T A R E P M E T FIND ME! FIND HE WORDS THAT ARE RELATED TO THE TOPIC: COOLING WIND HUMIDITY HEAT BUBBLES SURROUNDING TEMPERATURE SLOW BOILING FAST It can be across, down, up
- 10. 2. A puddle drying out ACTIVITY 3 Where am I belong? 1. Clothes drying on a line. 3. A floor drying after it is mopped 5. The boiling water turning into steam 7. Lick you finger, blow on it and feel it cool 9. Cooking/Steaming shomai. 8. A smoke came from a boiling water. 10.Making a hot coffee. 4. Your hair drying after you wash it. 6. Sweating when you are hot Encircle if the phrase describes evaporation and box the phrase if it describes vaporization.
- 12. EN R I C HM EN T
- 13. __1. Sweat is an exampleof evaporation. __ 2. In vaporization, no bubbles can be see. __ 3. Vaporizationundergoes evaporation and boiling.. __ 4. Evaporationreached the boiling point. __ 5. Vaporization changed temperature. __ 6. Vaporization’s temperatureis hotter than Evaporation’s temperature. __ 7. Evaporationand Vaporization is the changed fromliquidto gas. __ 8. We can see clearly evaporation occur than in vaporization. __ 9. Vaporizationcan harmyou. __ 10. Smoke formed during vaporization.
- 14. ASSESSMENT FILL IN THE BLANK. CHOOSE THE WORD OF THE CORRECT ANSWER IN THE BOX. Evaporation and Vaporization are the same in the change of phase of matter from 1_to gas. However, both has a big _2_. Evaporation happens in _3_ temperature while vaporization have a _4_ temperature. You can harm more in _5_ than in _6_. Vaporization is a _7_ and _8_ process while evaporation is a _9_ and _10_ process. Vaporization Evaporation Fast Slow Violent Silent Liquid Solid Any Fixed Similarity Difference Medium Condensation
- 16. 1. Clothes drying on a line. 2. A puddle drying out 3. A floor drying after it is mopped 4. Your hair drying after you wash it. 6. Sweating when you are hot 7. Lick you finger, blow on it and feel it cool 5. The boiling water turning into steam 8. A smoke came from a boiling water. 9. Cooking/Steaming shomai. 10.Making a hot coffee.
- 17. ERICHMENT 1. TRUE 2. TRUE 3. TRUE 4. FALSE 5. FALSE 6. TRUE 7. TRUE 8. FALSE 9. TRUE 10. TRUE ASSESSMENT 1. Liquid 2. Difference 3. Any 4. Fixed 5. Vaporization 6. Evaporation 7. Fast 8. Violent 9. Slow 10. silent
- 18. Wind is the flow of gases on a large scale. Humidity is the amount of water vapor in the air. A temperature is a numerical measure of hot or cold. Liquid is one of the four fundamental states of matter, and is the only state with a definite volume but no fixed shape. Gas is one of the four fundamental states of matter. A pure gas may be made up of individual atoms, elemental molecules made from one type of atom, or compound molecules made from a variety of atoms.