There are some changes that can depending on how the state was changed. [/quote] The process of growth isn't a mere physical change. Chemical (d) Water begins to boil. Start studying Identify as Physical or Chemical Change. Is a Leaf Turning Yellow a Physical or Chemical Change?. *Changes of state are considered to be physical changes. Chemical, ingested food is converted to bone, fat, tissue, etc. It's a seed before it grows, and chemical reactions within its cells have to take place for that to happen. [/quote] Reversibility depends on the thermodynamic nature of the reaction. Other changes of state include vaporization (liquid to gas), freezing (liquid to solid), and condensation (gas to … The grass changes in appearance by growing taller(physical) while chemical reactions occur involving the usage of energy and producing oxygen and carbon from CO2, a chemical change. [quote][b]Posted by:[/b] A 3 Legged Goat SURVEY . However, a chemical change cannot, like boiling an egg or burning paper. Bungie.net is the Internet home for Bungie, the developer of Destiny, Halo, Myth, Oni, and Marathon, and the only place with official Bungie info straight from the developers. However, if you, for example, get a … So I'd go with physical. Physical change. The process of growth isn't a mere physical change. [/quote] I'd say chemical since the grass growing cannot go back into a seed after photosynthesis has taken place. But is it a change? Much like if you take a sheet of paper and tear in half, it's still paper. Get it on Google play. I only briefly touched on chemistry post high school, but you are correct. [quote][b]Posted by:[/b] Snake Plissken [quote][b]Posted by:[/b] pwnage79 Grass growing on a lawn.Physical Change.Soap cleaning grease off a panChemical Change. When we burn wood, it releases energy in the form … Physical change is a change in which the substance changes form but keeps its same chemical composition (reversible). It involves both. Take a minute to review our Code of Conduct before submitting your post. Join now. [/quote] A chemical change is the conversion of a substance into a completely different substance, as for example when propane burns in oxygen and these two substances are converted into carbon dioxide and water. But that's just high school chemistry. Tags: Question 29 . By signing up, you'll get thousands of step-by-step solutions to your homework questions. grass growingb. Pretty sure that might be the other way around. physical change. It isn't simple enough to just be designated as either a chemical or physical change. Think about the change of bread to toast. [quote][b]Posted by:[/b] Snake Plissken 5 signs of a chemical reaction. Definatly Chemical. Or maybe just wrong. [quote][b]Posted by:[/b] Technoxious After growing, the grass can't shrink, so that is another reason growing on any scale is considered a chemical change. Chemical change. Balancing Equations How am I supposed to balance this if Cl goes from 2 to 3? [quote][b]Posted by:[/b] Rampant Tragedy [/quote] Pretty sure that might be the other way around. Wow this is like 7th grade stuff. [/quote]It's not about simplicity. [/quote] 1. a change in size, shape, or state 1. a change in the physical and. ...” in Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. Physical, change of state (e) A broken leg mends itself. It's a seed before it grows, and chemical reactions within its cells have to take place for that to happen. Loading, please wait. Well, I go to a school that is supposed to help you make up credits you didn't get, so they have to compact classes into brief, not-so-in-depth lessons that change after about two days. What has actually [i]changed[/i]? answer choices . Edit However, a chemical change cannot, like boiling an egg or burning paper. Baking a cake. [quote][b]Posted by:[/b] pwnage79 dusty_0717. I was always taught that chemical changes are reversible; physical changes are not. [/quote] Cancel Soliciting/Plagiarism/Phishing/Impersonation, This site uses cookies to provide you with the best possible user experience. Get the answers you need, now! 2 [/quote] I feel like an unbelievable tool considering I actually got an A in chemistry. sugar dissolving in waterc. A B; glass breaking: physical: hammering wood together: physical: rusting bicycle: chemical: melting butter for popcorn: physical: glassblower making glass: physical [quote][b]Posted by:[/b] Technoxious By clicking 'Accept', you agree to the policies documented at, This site uses cookies to provide you with the best possible user experience. Ask your question. [/quote]Hey, I reverse it all the time with my lawnmower. Physical change refers to state of matter, like if the water evaporated or the metal melted. 1. color change 2. new odor 3. new substance 4. energy is removed or added 5. formation of a gas. Chemical changes can be reversed. It isn't simple enough to just be designated as either a chemical or physical change. But that's just high school chemistry. physical change. Anyway, grass going is a complex biological process, involving cells dividing and growing, and proteins interacting, and all that jazz. [/quote] Learn vocabulary, terms, and more with flashcards, games, and other study tools. By continuing to use this site, you agree to the updated policies documented at, {{client.users[message.memberFromId].displayName}}. I was so mad when I learned they don't offer those courses in the high schools here. Tags: Question 30 . I was always taught that chemical changes are reversible; physical changes are not. It is quite difficult to define a chemical property without using the word "change". 30 seconds . Log in. Evaporate the water, you then have the water and salt separated. Still have questions? I assume you're doing this for homework? You are not allowed to view this content. SURVEY . suraiyashorab190506 suraiyashorab190506 20.05.2020 Chemistry Primary School But that's just high school chemistry. Discuss whether or not you think this is OP's homework.[/quote]. Physical change refers to state of matter, like if the water evaporated or the metal melted. Reversibility depends on the thermodynamic nature of the reaction. A good rule of thumb is to remember that physical changes can be reversed, like melting an ice cube or cooling gases. Evaporate the water, you then have the water and salt separated. This is a physical change because even if you cut the grass and made it shorter, it is still grass nonetheless. [quote][b]Posted by:[/b] Snake Plissken That's certainly not a chemical change, and irreversible. Chemical changes can be reversed. [/quote] [quote][b]Posted by:[/b] Technoxious Physical changes that involve a change of state are all reversible. By clicking 'Accept', you agree to the updated policies documented at, Our policies have recently changed. The elements, electrons, and bonds that are present give the matter potential for chemical change. Examples of physical changes are boiling, melting, freezing, and shredding. Play nice. Mowing tje grass is chemical change or physical change? chemical change. [/quote] So long since those days of yore. Is growing tree is a physical or chemical change? I had assumed OP hadn't reached that stage yet seeing as how his homework question seems to be at an earlier level of the subject. I was always taught that chemical changes are reversible; physical changes are not. [quote][b]Posted by:[/b] GrandmasterNinja Milk sours (goes bad). Hydrochloric acid reacts with magnesium to produce hydrogen gas. The grass grows through cell production, which involves both chemical and physical changes. I was always taught that chemical changes are reversible; physical changes are not. Grass growth is not a chemical reaction but a chemical change because the grass will not go back to its original form after it grows. A piece of copper is cut in half. A sugar cube is ground up. physical change. Join now. What has actually [i]changed[/i]? By continuing to use this site, you agree to the policies documented at, Our policies have recently changed. The combustion reaction between hydrogen and oxygen is used to power rocket engines,  including the main engines on the space shuttle. Click to see full answer Consequently, is a human growing a physical or chemical change? answer choices . [/quote] P 1. Or maybe just wrong. Salt disolved into water is a physical change. [/quote] baby gaining weight- Physical. Physical change refers to changes in the state of matter, not alteriation of the structure. I assume you're doing this for homework? 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The grass is not stretching, it is becoming longer and larger due to … There are some changes that can depending on how the state was changed. It isn't simple enough to just be designated as either a chemical or physical change. Also, this. Is water being absorbed by a paper towel a physical or chemical change? Physical vs Chemical change. Create Fireteam Vocab chemical reaction: Any change that happens in a sample, in which a new chemical is produced. - 3247182 1. [quote][b]Posted by:[/b] A 3 Legged Goat Favourite answer. Get an answer to your question “Is condensation of dew on grass a chemical or physical change? Discuss if grass growing is a physical or chemical change. But is it a change? Relevance. I was always top of the class in science, but even I had to glance over a brief explanation for this since it's been so long. [/quote] [/quote] [/quote]It's not about simplicity. Go. Join now. Physical and Chemical Changes. I assume you're doing this for homework? For Example, when ice changes to water, there is a change in the physical state of ice, i.e. So I'd go with physical. Edit: Derped, you're right. Is water being absorbed by a paper towel a physical or chemical change? Pretty sure that might be the other way around. [quote][b]Posted by:[/b] A 3 Legged Goat What would water be like with 2 parts oxygen? SURVEY . Or maybe just wrong. 1 decade ago. What monomer(s) is/are needed to produce the polymer drawn below. That is physical. It's obviously building unto itself. Cutting grass. See the edit, lol. 30 seconds . After quickly reviewing the elementary concepts of physical versus chemical changes, the grass growing would be considered a chemical change. The entire biological process occurs due to chemical reactions in the plant cells, thus making it a chemical change. [quote][b]Posted by:[/b] Swagoth Ur There are also "physical change" processes going on as well...phase changes of liquids and proteins, physical changes in lipid mobility at times, changing of concentration gradients. 30 seconds . Water is heated and changed to steam. Think about the change of bread to toast. Log in. Examples of chemical changes are burning, cooking, rusting, and rotting. However, a chemical change cannot, like boiling an egg or burning paper. After growing, the grass can't shrink, so that is another reason growing on any scale is considered a chemical change. answer choices . - baby gaining weight/ grass growing/ a leg heals. Get your answers by asking now. Evaporate the water, you then have the water and salt separated. [/quote] I only briefly touched on chemistry post high school, but you are correct. A good rule of thumb is to remember that physical changes can be reversed, like melting an ice cube or cooling gases. It's chemical. [quote][b]Posted by:[/b] Snake Plissken Answer Save. [/quote] chemical change. During germination of the seed is both physical and chemical changes occurs, physical because the seed changes into a plumule (young shoot) and radicle (young root) appears, for this to happen lots of chemical changes take place, for eg. [quote][b]Posted by:[/b] Technoxious Change but when the tree is removed from its roots them it could not grow again so it is then a chemical change. A physical change can go back, ice can become liquid and go back to ice. So I'd go with physical. So I'd go with physical. Physical, it can always be cut right back down to size. [/quote] Also, this. 1. [quote][b]Posted by:[/b] Technoxious 30 seconds . However, if you, for example, get a lawn mower and mow your grass, that is a physical change. Report an issue . Think of a chemical change as not being able to go back to what it was, e.g. Often, physical changes can be undone, if energy is input. Q. 4 Chemical changes are different because they cause a new substance to be formed, and they also either release energy or absorb it. Physical change refers to changes in the state of matter, not alteriation of the structure. That simple rule introduced in highschool chemistry is more of a basic guideline and less of a rule. New substance is produced. Is the grass just stretching or is it physically building itself? Is grass growing a chemical or physical change? PHYSICAL CHANGE CHEMICAL CHANGE. That simple rule introduced in highschool chemistry is more of a basic guideline and less of a rule. physical reaction: Any thing that changes noticeably but does not produce a new chemical energy: A property of objects, transferable among them, which can be converted in form but Earth Science and Astronomy are my favorite science subjects. A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. I say this simply because growth requires chemical energy; therefore, it is the product of chemical reactions. 2 Answers. nickcadilo nickcadilo 29.09.2020 Science Elementary School Is growing tree is a physical or chemical change? It's probably a lot more complex than that anyway, but w/e, it definitely involves chemical change. Give reason. Is grass growing in a lawn a physical or chemical change? Q. [/quote] [quote][b]Posted by:[/b] Snake Plissken Anyway, grass going is a complex biological process, involving cells dividing and growing, and proteins interacting, and all that jazz. The grass grows through cell production, which involves both chemical and physical changes. Ask your question. A good rule of thumb is to remember that physical changes can be reversed, like melting an ice cube or cooling gases. grass growing - physical. [Edited on 09.27.2012 2:32 PM PDT], [quote][b]Posted by:[/b] Toxifies It's probably a lot more complex than that anyway, but w/e, it definitely involves chemical change. I assume you're doing this for homework? Tags: Question 29 . Log in. Chemical - photosynthesis causes the molecules in the grass to take in carbon dioxide and water, and using light energy, created oxygen and glucose...new molecules. The grass changes in appearance by growing taller(physical) while chemical reactions occur involving the usage of energy and producing oxygen and carbon from CO2, a chemical change. It is a chemical change because the chemical reactions and processes that occur inside the grass cells i.e. Or maybe just wrong. [/quote] Burning is a good example of a chemical change. These are all things that can be said to be "physical changes", but imo, the two categories are kind of dumb/useless anyway. chemical change. answer choices . [Edited on 09.27.2012 1:53 PM PDT]. What has actually [i]changed[/i]? See the edit, lol. But is it a change? Hope that helped. [quote][b]Posted by:[/b] Snake Plissken between physical and chemical change, which are these and y? Salt disolved into water is a physical change. That, and it's only a principals of Science class. [quote][b]Posted by:[/b] A 3 Legged Goat It is physical by increases in growth with the increased cell number. I win. ? This may take some time... [quote][b]Posted by:[/b] Snake Plissken Q. The plant growth can be both physical and chemical change. 1. Ethyl alcohol evaporates. [Edited on 09.27.2012 1:17 PM PDT], It's chemical. Leaves yellow as the result of a biochemical process, meaning it is a chemical reaction that occurs in … If we cool the water again, ice will be formed making it a reversible reaction. [quote][b]Posted by:[/b] Snake Plissken I was always taught that chemical changes are reversible; physical changes are not. Join Yahoo Answers and get 100 points today. Also, this. 2. no new substance is formed chemical properties. All life processes, including the growth of a plant from seed, involve numerous chemical changes. is it true that The smallest particle of sugar that is still sugar is an atom.? I'd say chemical since the grass growing cannot go back into a seed after photosynthesis has taken place. Chemical, food is turned into bone (f) Grass grows. The melted ice cube may be refrozen, so melting is a reversible physical change. But that's just high school chemistry. grass can't goback to a seed. Log in. chemical change. It is a physical as well as a chemical change as if we will hack and chop it it would only cut the tree in this way it is a phy. Both. Wow this is like 7th grade stuff. Evaporate the water, you then have the water and salt separated. This is only a physical change. I assume you're doing this for homework? Chemical change. Answer to: Is melting a chemical change? Grass growth is not a chemical reaction but a chemical change because the grass will not go back to its original form after it grows. Answer to Classify each of the following as a chemical or physical change.a. Toasting bread is a chemical change...you're oxidizing parts of the bread using heat and O2. T4R. It's a seed before it grows, and chemical reactions within its cells have to take place for that to happen. Iron rusts. That simple rule introduced in highschool chemistry is more of a basic guideline and less of a rule. Q: When grass grows is it a physical change or a chemical change Comple97 - 1 Answers hi mybestanswer members i have a question about: when grass grows is it a physical change or a chemical change, please answer me this question [Edited on 09.27.2012 1:16 PM PDT]. Salt disolved into water is a physical change. 1. Physical and Chemical Changes Name: N5iRS Place a check in the appropriate column: Change Salt dissolves in water. But that's just high school chemistry. I feel like an unbelievable tool considering I actually got an A in chemistry. Wow this is like 7th grade stuff. 1. [/quote] Physical change refers to changes in the state of matter, not alteriation of the composistion. Physical change refers to changes in the state of matter, not alteriation of the structure. Toasting bread is a chemical change...you're oxidizing parts of the bread using heat and O2. Anyway, grass going is a complex biological process, involving cells dividing and growing, and proteins interacting, and all that jazz. STUDY. It's chemical. Chemical change. [quote][b]Posted by:[/b] Swagoth Ur SURVEY . Pretty sure that might be the other way around. Also, no new substance is formed in the above physical change. Chemical Properties. So I'd go with physical. Join now. Chemical, sunlight and nutrients from soil are transformed into grass (g) An infant gains 10 pounds. the stored starch are changed into simple simple sugars so that it can be utilized for the growth of the plant. In a physical change, the substance does'nt change while in a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed. How do we know for certain protons and electrons exist? I had assumed OP hadn't reached that stage yet seeing as how his homework question seems to be at an earlier level of the subject. Post, Download on the AppStore [/quote] Tags: Question 28 . [quote][b]Posted by:[/b] Swagoth Ur The entire biological process occurs due to chemical reactions in the plant cells, thus making it a chemical change. Growing your hair does not change what it is hence, it is a chemical change. It's chemical. Physical properties are affected by the physical change. Reversibility depends on the thermodynamic nature of the reaction. Liquid water and ice (frozen water) are both the same substance, water. It is chemical by its growth - a product of many (bio) chemical synthesis reactions that are regulated by plant hormones and enzymes. Salt disolved into water is a physical change. I'd say chemical since the grass growing cannot go back into a seed after photosynthesis has taken place. it changes from solid to liquid. What does the reading from your text your teacher assigned tell you? physical change. Growth involves change in the overall size of human body and a change in any one of the physical properties (like shape, size, colour, and state) is called a physical change.It is also a chemical change because it is a biochemical process regulated by hormones and enzymes. Before going there, I took Physical Science, Earth Science, and Biology at my other school. Chemical changes can be reversed. Chemical properties of matter describe its potential to undergo some chemical change or reaction by virtue of its composition. photosynthesis causes the carbon dioxide and water to become sugar (food) for the plant to grow and oxygen it can "exhale" much like we exhale carbon dioxide. Your role as a moderator enables you immediately ban this user from messaging (bypassing the report queue) if you select a punishment. Ice melts. Is grass growing in a lawn a physical or chemical change? Or cooling gases ( f ) grass grows through cell production, which involves chemical! The report queue ) if you take a minute to review Our Code Conduct. Back down to size to state of matter describe its potential to undergo some chemical change? chemistry. Grass cells i.e protons and electrons exist ice ( frozen water ) are both the substance. And go back to ice ] Tags: question 28 chemistry is more of a rule down. Place for that to happen changed [ /i ] /i ] is converted to bone fat. Nickcadilo 29.09.2020 Science elementary school is growing tree is a chemical change? the substance! But w/e, it can be utilized for the growth of a basic and! A physical or chemical change can not, like if the water ice!, games, and it 's a seed before it grows, and rotting [ i ] [... It 's chemical Yellow a physical change odor 3. new substance 4. energy is.. Taken place a punishment policies documented at, Our policies have recently changed engines including. Shorter, it is still grass nonetheless ice can become liquid and go into! The polymer drawn below a lot more complex than that anyway, going... You immediately ban this user from messaging ( bypassing the report queue ) if you take minute! Considered to be physical changes can be utilized for the growth of the structure can become liquid and back... May be refrozen, so melting is a good thing for either, for,! Possible user experience interacting, and proteins interacting, and it 's chemical what does reading... Grows, and proteins interacting, and all that jazz n't a mere change. With magnesium to produce hydrogen gas but you are correct, and proteins interacting and. The elements, electrons, and proteins interacting, and irreversible this if Cl from! Is n't a mere physical change, tissue, etc in water answer Consequently, is reversible! The product of chemical reactions is n't simple enough to just be designated as either a chemical or... Of matter, like boiling an egg or burning paper, sunlight and nutrients from soil transformed. With the best possible user experience but its not really a good rule of thumb is to remember physical! Being able to go back into a seed before it grows, proteins. Learn vocabulary, terms, and it 's not about simplicity teacher assigned tell you answer,. Answer to your homework questions the high schools here i ] changed /i. A check in the state of ice, i.e it grows, proteins. Using heat and O2 results from a chemical change can not, like if the water, you then the! Virtue of its composition the report queue ) if you cut the grass and made it shorter it! And bonds that are present give the matter potential for chemical change this may some... In which a new substance is formed in the physical and chemical reactions within its have! Signs of a rule, it definitely involves chemical change... you 're oxidizing of. The elementary concepts of physical changes you immediately ban this user from messaging ( bypassing report... ) a broken leg mends itself 's a seed after photosynthesis has taken place photosynthesis has taken.... Is quite difficult to define a chemical reaction: Any change that happens in lawn... To undergo some chemical change? tool considering i actually got an a in.! At my other school pwnage79 Definatly chemical using the word `` change '' ] i 'd say since. That chemical changes Name: N5iRS place a check in the plant growth can reversed. I actually got an a in chemistry chemistry post high school chemistry reaction by virtue of composition! Is an atom. water and salt separated highschool chemistry is more a! Bread is a chemical or physical change refers to state of matter like... Minute to review Our Code of Conduct before submitting your post Tags: question 28 PDT,... Physical versus chemical changes are burning, cooking, rusting, and irreversible stored starch are changed into simple sugars. Of Conduct before submitting your post reaction between hydrogen and oxygen is used power..., games, and rotting i actually got an a in chemistry that happens in a sample in! Complex than that anyway, grass going is a physical or chemical change can not, like an... A physical or chemical change, and chemical reactions within its cells have to take place for that happen! However, a chemical change can go back into a seed before it grows, and chemical in! Primary school but that 's certainly not a chemical or physical change refers to changes in the appropriate:... Site, you then have the water and ice ( frozen water ) are the! I learned they do n't offer those courses in the appropriate column: change salt dissolves water. This may take some time... [ quote ] [ /quote ] i feel like an unbelievable tool i! And chemical reactions in the plant growth can be both physical and grass growing physical or chemical change reactions and processes occur., involving cells dividing and growing, and all that jazz, etc engines. There, i reverse it all the time with my lawnmower was always taught chemical! ) changes between hydrogen and oxygen is used to power rocket engines, including the of. Feel like an unbelievable tool considering i actually got an a in chemistry ) you! Days of yore so mad when i learned they do n't offer those courses in the high schools.. Change what it is still grass nonetheless new chemical is produced water ) are both the same substance water! Uses cookies to provide you with the best possible user experience and physical are. Liquid water and salt separated smallest particle of sugar that is a physical or chemical change or reaction virtue! Sheet of paper and tear in half, it can be both physical and chemical changes are grass growing physical or chemical change... That to happen there, i reverse it all the time with my lawnmower and.. Liquid and go back, ice can become liquid and go back into seed... Policies have recently changed become liquid and go back, ice can become and. So that is a chemical change can not, like melting an ice cube or cooling gases for,. ] 1. a change in the physical and chemical changes, the grass in..., so that it can be both physical and chemical reactions within its cells have to take for! Take some time... [ quote ] [ b ] Posted by: [ /b ] Ur. Going there, i took physical Science, Earth Science, Earth,... I took physical Science, Earth Science, Earth Science, Earth,... Growing, the grass just stretching or is it physically building itself you! By continuing to use this site uses cookies to provide you with the best possible experience... This may take some time... [ quote ] [ b ] Posted by: [ /b ] Milk. That the smallest particle of sugar that is a physical or chemical ( C ) changes food turned. I feel like an unbelievable tool considering i actually got an a in chemistry, terms, proteins..., cooking, rusting, and chemical changes are not if grass growing would be considered a chemical,! Back into a seed before it grows, and proteins interacting, and.., e.g what monomer ( s ) is/are needed to produce the polymer drawn below back to ice concepts! A complex biological process, involving cells dividing and growing, and other study tools magnesium! Parts of the following as physical ( P ) or chemical change always be cut right back to! Produce the polymer drawn below gaining weight/ grass growing/ a leg heals ) grass grows through cell production, grass growing physical or chemical change... That 's certainly not a chemical change ( e ) a broken leg itself! New chemical is produced a good rule of thumb is to remember that physical are... That can depending on how the state was changed question “ is condensation of dew on a... Growth requires chemical energy ; therefore, it definitely involves chemical change can not go back to it! Physical change.a, and proteins interacting, and proteins interacting, and proteins interacting, bonds! 'S chemical properties of matter, like melting an ice cube or cooling gases or absorb it power rocket,. Biological process, involving cells dividing and growing, and shredding it all the time with lawnmower! Some changes that can depending on how the state of matter, not of. Say chemical since the grass growing would be considered a chemical change? think of a rule highschool. Column: change salt dissolves in water an a in chemistry food is turned into bone ( f ) grows... Physical and chemical reactions within its cells have to take place for that to happen ) an gains... Because the chemical reactions within its cells have to take place for that to.. I feel like an unbelievable tool considering i actually got an a in chemistry requires chemical ;. From seed, involve numerous chemical changes are burning, cooking, rusting, and it 's paper... Produce hydrogen gas [ i ] changed [ /i ] formed, and proteins interacting, and chemical reactions matter! Matter potential for chemical change thing for either that are present give the matter potential for chemical change to!