Acid rain can ruin buildings and stone, as well as affect plant and aquatic life. Cost: The total cost of a head of red cabbage and a pack of coffee filters is approximately $5-7. The pH of a solution is a numerical measure of how basic or acidic it is. Red Cabbage pH Test Science Project. dried onto a piece of filter paper, the result is often referred to as pH paper. The red cabbage (purple-leaved varieties of Brassica oleracea Capitata Group) is a kind of cabbage, also known as Blaukraut after preparation. Then allow the paper to dry. If you don't want colored fingers, soak only half of the filter paper with the cabbage juice, leaving the other side uncolored. Once it is dried, cut the paper … This activity involves testing some potentially toxic household chemicals. Red Cabbage Indicator – made by boiling chopped red cabbage in water for 10 minutes. In this experiment, kids learn how cabbage can be used to test liquids of … Making pH Paper. • Test the same substances from the activity above with your litmus paper. 1. If you have ever tasted something chalky or ever felt a liquid that feels slippery like soap, those substances are probably bases. This activity requires the use of sharp cutting utensils. 2. Red cabbage juice is a natural pH indicator making this classic activity one of the most popular chemistry experiments for children. pH Lab Background Information Many common household solutions contain acids and bases. In 1953, Helen along with her husband Al and many research workers at Miles Laboratories developed a colorimetric paper test that could perform 10 tests critical to the diagnosis and maintenance of care for patients with … Some indicators start out colorless and turn blue or pink, for example, when they mix with a base. More about Acid-Base Indicators in Red Cabbage. Spot plate lO.AIuminum plate Procedure: 1. This is a different type of paper that measures pH. stream 1. How to make pH test strips. Acids and bases affect almost everything around us. 2) Pour the cabbage juice solution into a large ceramic dish. Red Cabbage Lab: Acids and Bases Introduction: Liquids all around us have either acidic or basic (alkaline) properties. Grab a couple of small rectangles of white paper. After a few hours, remove the paper and allow it to dry (hang it by a clothespin or string). Investigatory Project on Fertilizers: Sterilization of Water by using Bleaching Powder: Green Chemistry: Bio-Diesel and Bio-Petrol: Rate of Evaporation of Different Liquids: Effect of Potassium Bisulphite as a Food Preservative: Lemon Ices: Red Cabbage pH paper… ... Cut blotting paper into small strips and soak it in the red cabbage indicator juice. pH is a way that chemists characterize acids and bases. Dip a piece of filter paper into the red cabbage … Red cabbage 3. August 6, 2013 By Emma Vanstone 2 Comments. The solid cabbage can be thrown away. Soak it for some time and later take the paper and dry it. This is what people call acid rain. Day 1: Preparation of Acid-Base indicator paper 1) Obtain the cabbage juice indicator from your teacher. In this lab, we will learn about what makes an acid or base “strong,” and use the juice from red cabbage to test the pH of … Liquid samples 8. Stains on hands and skin will wash off with warm water and soap. Also, put a plate under the beaker so if some juice spills, the plate will … How to make pH indicator paper You’ll need. The pigment that gives red cabbage its color is called anthocyanin. Explore Chemistry Investigatory Projects Experiments for Class 11 and 12, Chemistry Projects, Organic Science Fair Projects, Expo Models, Exhibition Topics, Expo Ideas, CBSE Science Experiments Project Ideas Topics, winning chemistry project ideas, cool and fun interesting chemistry project experiments, investigatory project for Kids and also for Middle school, Elementary School for … <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Blend this together and then pour it through a strainer to remove any solids. 3 0 obj How to make pH test strips. %PDF-1.5 Is water going to "climb" higher up the wool thread or piece of blotting paper? Beaker 2. Red cabbage (aka: purple cabbage) is an effective pH indicator. Red cabbage juice indicators are easy to make, exhibit a wide range of colors, and can be used to make your own pH paper … Red cabbage contains two main types of plant dyes: anthocyanin and flavonol. Once you make your red cabbage juice, you will want to know how to use it. You will mix cabbage … x��\K�#��0������7��ЀF#b �7�!��6{��8��,�E6[=�iـ5�f���W_�8��y8��t��u`�?���?�d����(�0)>:1������~{~z������7:3|���f�4Z3L\��?�Տ��g;|���x�~������i�������.~�� ����@�_���o߇O�~;�����I)W�(�pNB�rRA� Z��Ș<1���}dܾ�Ov��ñY�QL2f�|��+~ O�u��#�g�„g��~e|:�yb|ju�I�oJ�gT͌�4��|�a$� These resources were created for the Cambridge science festival 2013. Close the top and let it blend at high power for 30 seconds. Once the cabbage cools down, pour the cabbage extract liquid into your 250 ml beaker. When you first make the red cabbage juice, the liquid should be this color. of your original cabbage indicator solution to a small white paper cup and add drops of the food until you see the solution change color. Red cabbage is just one of many indicators that are available to scientists. Allow the liquid to separate from the cabbage. Put the red cabbage leaves into the blender with 800mL of water. The environment is also affected by pH. Files are available under licenses specified on their description page. Acid-base indicators, such as litmus and red cabbage juice, turn different colors in acidic and basic solutions. To test a sample, place a drop of liquid on the test strip. White filter paper. them in a small amount of water. Because red cabbage has this indicator pigment, it is possible to determine the pH of a solution based on the color it turns the red cabbage juice. endobj If you want to test the pH of other foods, again add 1 tbsp. The indicator changes from We can use a filter paper (or coffee filter) and dip it in the concentrated solution obtained from red cabbage. £! The scale is numbered from 1 – 12. If the food is … Cut the filter into strips and use them to test the pH of various solutions. 3. An example of a basic … You can recognize an acid because it makes food and drinks taste sour. The scale is technical-ly open-ended but, since most substances have a pH … pH is the scale used in science to rate acids and bases. That’s where lime juice has been sprinkled. Make your own pH indicator solution. An easy way to do this is to use pH paper, which is a piece of paper with a chemical on it that will change colors if it is mixed with acids or bases. Some of the most important kinds of chemicals in science are acids and bases. Other Chemistry Projects. … Ask an adult to help you if necessary. Red Cabbage Indicator – made by boiling chopped red cabbage in water for 10 minutes. Acids have a pH between 1 and 6. If you want, you could substitute red berries or red roses. In this experiment, you will extract the pigment from the cabbage. This part of the project requires chopping and cooking. Once you have the indicator solution, you can soak some lab filter paper in it. Soak it for some time and later take the paper and dry it. Red cabbage red / pink purple blue / green Red wine Tea light brown brown dark brown 3. It can be used to find the approximate pH of any solution. If the color of your red cabbage juice is a purple color, then you know that the pH of your solution should be around 7, which means that your solution is neutral. Do not drench the strips because they will take too long to dry. The more acid, the redder the paper turns. 2. Be sure to protect the area you are working in with plastic or newspaper. Tap water can have microbes … […] Solar Water Purification « The Kitchen Pantry Scientist on July 25th, 2011 at 7:12 pm […] natural, easy-to-make acid/base indicator and the same one you can use to make magic potion and red cabbage litmus … You'll get less usable paper… CABBAGE PH INDICATOR SCIENCE PROJECT. You can recognize an acid because it makes food and drinks taste sour. For example, acids taste sour; while, bases taste bitter and feel slippery. Make a red cabbage pH indicator and use it to test the acidity of common kitchen ingredients! In addition to the solution, pH paper strips can also be created using red cabbage. Repeat until all of the liquid is separated from the cabbage. One way to test if a substance is an acid or base is to test its pH. The number of indicator paper strips varies depending on the size they are cut. Data Collection and Organization: Table A: Control Solutions (in order from most acidic to most basic): Table B: Cabbage pH Indicator Key Solution Name 0.1M HCl 0.01M HCl 0.00001M HCl Distilled water 0.00001M NaOH 0.01M NaOH 0.1M NaOH pH using –log[H+] 1 3 5 7 9 11 13 Indicator Paper Color red orange yellow light green dark green blue purple Indicator pH Range (low– high) 1-2 3-4 5-6 7 8-9 10-11 … This may cause a dangerous reaction. Thin layer chromatography of black marker ink; Example of the simple paper chromatography; Crystals and crystal growth; Electrolysis; pH indicators, pH of common household substances, Make your own red cabbage indicator. Explore Chemistry Investigatory Projects Experiments Class 12 CBSE, Chemistry Projects, Organic Science Fair Projects, Expo Models, Exhibition Topics, Expo Ideas, CBSE Science Experiments Project Ideas Topics, winning chemistry project ideas, cool and fun interesting chemistry project experiments, investigatory project for Kids and also for Middle school, Elementary School for class 5th … Take filter paper (or coffee filter) and soak it in a concentrated red cabbage juice solution. Amount: Makes approximately two cups of indicator solution. Using an eyedropper or turkey baster, place a few drops of the red cabbage indicator onto the coffee filter strips in order to cover the strips and allow the pieces to dry before moving onto the next part. The pH of a solution is a numerical measure of how basic or acidic it is. This project requires little more than red cabbage and some basic household supplies. All you’ll need is a head of red cabbage and some paper towels or white coffee filters. This project … %���� Supplies: 1. 2. cabbage ph indicator science project The pH scale is a fascinating scale that identifies how close something is to acid and how close it is to an alkaline material. Some of the most important kinds of chemicals in science are acids and bases. Make a red cabbage pH indicator and use it to test the acidity of common kitchen ingredients! 4. Part 1: Make pH Test Strips. How to control the color of red cabbage . The Red Cabbage pH Test. Pour the mixture through a strainer into a large container. To prepare the red cabbage indicator, blend ¼ head of red cabbage in 300 mL of tap water. Learn how to use red cabbage to find out if a liquid is an acid or base. Red cabbage; Strainer; Vinegar; A plastic sheet to contain the mess. Although you may not realize it, you use acids and bases in your home everyday. 3. In this episode we will be creating a ph indicator (acid base indicator) using red cabbage. It requires a pH ranging from 5.5 to 6.5 for higher production. Two leaves of red (purple) cabbage A head of red cabbage … Red cabbage is a great natural indicator and is perfect for use in classroom experiments. Now you are ready to test different substances using your red cabbage pH strips. 4 0 obj The pigment turns red in acidic environments with a pH less than 7 and the pigment turns bluish-green in alkaline (basic) environments with a pH greater than 7. In order to measure how acidic or basic a liquid is, one must … First, choose a substance that you wish to test. To determine the pH, the pH paper is dipped in a given sample solution and the colour developed in the paper is compared with the colour chart and the … Filter paper 5. Strain the liquid out, set it aside and then you’re all ready to get started. If the the short plastic connector tube is still on the funnel, remove it. One way to test if a substance is an acid or base is to test its pH. This has to do with the … In this project you will make your own pH paper from a colored indicator that you will extract from red cabbage by cooking it in water. Through this color change, students will be able to successfully identify the approximate pH of common … When the juice of red cabbage is placed onto soap, it changes color depending on the pH level. • Obtain Litmus paper from an aquarium supply store. All this important questions are investigated in this group of chemistry experiments. Making a PH reactive liquid is an easy science fair project that could be made in a single evening with great results. How to make a red pH cabbage indicator. These compounds are often used as pigments or stains because they are very colorful, but what makes anthocyanin even more interesting is that the color it produces varies dramatically depending on the pH of the solution. An acid turns blue litmus paper red, and a base turns red litmus paper … applications of pH values for papers were reported scarcely a dozen years ago.l Prior to the use of pH valuee, paper acidity was identified with the "total acidity" or titratable acid in extracts of the paper, an … Cabbage Plantation. Place some red … Red cabbage contains a compound called anthocyanin, which is a type of molecules called flavonoids. A collection of fascinating red cabbage indicator science experiments for kids. In this lab, students will use the juice from red cabbage as a pH indicator to test common household liquids and determine their pH levels. examples to get you started), o Window Cleaner (see safety notes below), Note: to test solids or powders with your pH paper, you will first need to dissolve Its leaves are colored dark red/purple. Red cabbage is a great natural indicator and is perfect for use in classroom experiments. <> Other Chemistry Projects. At a higher pH, around 5, the color turns into a darker purple. The more basic a substance, the bluer the indicator turns. Are household solutions acidic or alkaline/basic? This project requires little more than red cabbage and some basic household supplies. Don't dip the strip in the liquid because you'll get cabbage juice in it. Place a strainer into a glass bowl and pour some of the cabbage mixture into the strainer. Begin by chopping the red cabbage into small pieces until you have about 1 cup of the chopped cabbage. Red cabbage … 2. Anthocyanin is a good indicator of acids and bases, as you saw from the changing colors in this experiment. Making pH Paper. In addition to the solution, pH paper strips can also be created using red cabbage. • Use pH paper to test the pH of some common products around the house to Predict the colour of ‘red cabbage’ when it is grown in the following soils: (a) acidic soil - red (b) neutral soil - purple (c) alkaline soil – blue / green 4. After you've strained the solution, place the liquid in a bowl and add in some isopropyl alcohol to prevent … You can make your own litmus paper using red cabbage! If your pH is at 7, that means the substance is neutral, and it is neither an acid nor a base. #2. … This page was last edited on 22 November 2020, at 01:42. Do not dip the paper into the main container of your substance. Choose another substance to test and repeat steps 2 and 3. Ian_Redding / Getty Images Tips . In this lab, you will use the juice from red cabbage as a pH indicator to test common household liquids and determine their pH levels. Using a clean dropper, add a couple drops of the substance to the red cabbage pH paper. Dip a piece of filter paper into the red cabbage indicator and leave to dry. How will boiling red cabbage produce a pH i Hypothesis: If we boil red cabbage with a small amount of H2O then we will have successfully produced a pH indicator. H20 4. A red cabbage indicator turns vibrant colors in different solutions and introduces kids to acid/base chemistry. These paper changes colour when immersed in acidic or basic solutions. How to make pH indicator paper You’ll need. Baking soda is a base and should turn the paper green (higher pH… Strain the … The pH scale is a fascinating scale that identifies how close something is to acid and how close it is to an alkaline material. Here are some 3. Always test each substance separately. Make sure you have an adult to help before you begin! endobj 4) Allow the paper … This is a great science project and results in beautifully colored paper that can be dried and used for art projects like collages. In acidic soils, the leaves grow more reddish, in neutral soils they will grow more purple, while an alkaline soil will … However, both strong acids and strong bases can be very dangerous and burn your skin, so it is important to be very careful when using such chemicals. Of the two different types of paper, which do you think works better and why? Acids and Bases: Cabbage Juice pH Indicator Teacher Version * If printing the labs in black & white, be sure to print out a color version of the cabbage juice pH scale separately * Acids and bases are found in a variety of everyday items, including food and drink, medicine, and cleaning products. If you teach primary science, see the headings below to find out how to use this resource: Skill development. NEVER mix household cleaning products together. ����� ܛ{q�܂T���¦.����j!Hp��q2U��͙T�W�K¥�� �gΤ������Rl7ysS+ro�����Z& �3���P�� �q"&A_^Ww����(�gs�P��E�����0�h��N�� �s��لY96�#��> �[2�׃��bJ,�Wa���֙�>�5�ժ�b�r]����H~RE.�]�F=Y{^U�}�Y0}�z�8P&�Ǡ4}����-#�p���겳�7��� Once it is dried, cut the paper into small strips and they are ready to be used for testing the pH of different solutions. The paper … A red cabbage indicator turns vibrant colors in different solutions and introduces kids to acid/base chemistry. The red cabbage salad we discussed at the start, see that pinkish line? For example, if we changed the pH of our bodies by one level, it could kill us. Making a PH reactive liquid is an easy science fair project that could be made in a single evening with great results. At a neutral pH (approx. Acid, bases and pH are an extremely important part of science. Thin layer chromatography of black marker ink; Example of the simple paper chromatography; Crystals and crystal growth; Electrolysis; pH indicators, pH of common household substances, Make your own red cabbage … Remove paper … Red cabbage juice may stain clothes and fabrics. Put the cabbage into the blender with about 1½ cups of water. The pH scale ranges from 1 to 14 where 1 to 6 is classified as acidic, 7 neutral (neither a base or an acid) and 8 to 14 is classified as basic. If you have ever tasted something chalky or ever felt a liquid that feels slippery like soap, those substances are probably bases. This project is an easy way to visually determine if a liquid or powder is an acid or a base. The red cabbage pH indicator can be used for science experiments, art projects, and then eaten for breakfast. Match the colors you get while you are testing liquids to the chart below to see what pH you have. The funnel will sit in an empty test tube. 7) or even higher the color turns blue or even a dark green. There are tons of fun pH science experiments for kids out there, but one of the most thrilling and satisfying is the cabbage pH indicator science experiment. Variables: Independent: amount of water Dependant: colour of filter ^ Materials: 1. A collection of fascinating red cabbage indicator science experiments for kids. 1-L red cabbage solution Blender KOH (or NaOH) Strainer Baking soda Clear cups White distilled vinegar Paper Towels (for pH strip option) Straw (for “Bad Breath” option) Procedure: 1. Cabbage juice can be used to make a rainbow of colors corresponding to various (approximate) pH values. 1 0 obj Are household solutions acidic or alkaline/basic? Place the chopped cabbage in a blender and add in some boiling water. Fun red cabbage experiment STEM activity. 1. Red cabbage juice contains a natural pH indicator that changes colors according to the acidity of the solution. This paper extends the use of the red cabbage extract into demonstrations that illustrate the acidic or basic nature of solutions of gases and gives suggestions for modifications to project the beautiful range of colors and shades for better viewing in large lecture halls. 4. Tongs 7. Always use household chemicals with adult supervision. Acids and alkalis are substances that can be found in the science laboratory and at home all around us. The pigment in red cabbage is known for its ability to change colors depending on the pH (level of acidity) that it comes in contact with. 3) Immerse the paper in the cabbage juice and allow it to soak until uniformly wet. Red cabbage contains a compound called anthocyanin, which is a type of molecules called flavonoids. Vinegar/baking soda/lemon juice to test. This is a hands-on experiment that explains the measurement of pH using red cabbage indicator paper. Delute it with the same amount of water, so you can see … Do not eat or drink any of the substances after you have tested them. When added to a base, the purplish pigment turns green or yellow and when added to an acid, it changes to pink or red. Red Cabbage pH Indicator Years 8 & 9 Overview: Note: omplete this experiment before the Reacting Sherbet experiment. Some fruits and vegetables contain this special type of chemical. The red cabbage pH indicator can be used for science experiments, art projects, and then eaten for breakfast. 2 0 obj Distilled water is extremely important – if the water is not distilled, the test will not work. We can use a filter paper (or coffee filter) and dip it in the concentrated solution obtained from red cabbage. In this activity you will learn how to make your own pH paper using juice from red cabbage. Record your results and throw away your pH strip. It will turn greenish when exposed to bases, and reddish when exposed to acids. Place the cabbage in a large bowl and add about 1 cup of distilled water. A variation on the experiment is to add vinegar to the water, purify it, and check the pH of your starting and purified water using litmus paper. �R-X�[�� �� k�wG������a;����v}�D�l%�[% 3)�1@�� Red cabbage indicator is the purple pigment that can be easily extracted from the red cabbage leaves and used in further experiments to find a pH value of the chemical solution or for titration experiments. 1. http://chemistry.about.com/library/weekly/aa012803a.htm, 2. http://chemistry.about.com/od/acidsbases/. Hint: Lemon juice and vinegar are acids and should turn the paper pink (lower pH). In this experiment, we will extract the natural pigment of red cabbage and use this to investigate the pH of common household items. Remove paper strips from the solution and dry them.The dried paper, if stored in a cool dry dark place, will keep its indicator qualities for several months. Students will mix the cabbage juice with different household liquids and see a color change produced by a pigment called flavin (an anthocyanin) in red cabbage. Compare the results. Materials: 1-L red cabbage solution Blender KOH (or NaOH) Strainer Baking soda Clear cups White distilled vinegar Paper Towels (for pH strip option) Straw (for “Bad Breath” option) Procedure: 1. For more detailed information, consult the Science Buddies guide to Also, do not add your substance to the main supply of your red cabbage extract. In order to keep the red cabbage pink, purple, or blue, you … <> Making indicator paper. Use caution when handling knives or a blender. One example is red cabbage. Vinegar/baking soda/lemon juice to test. Because red cabbage has this indicator pigment, it is possible to determine the pH of a solution based on the color it turns the red cabbage juice. Bases have a pH between 8 and 12. Pollution can cause the pH of rain to be lowered. Cut blotting paper into small strips and soak it in the red cabbage indicator juice. In nature, pH plays an important role in survival. With the plurality of liquids and powders in your household, this allows for vast experimentation. Manufacturers are also concerned with acids and bases because they are used to make so many things, including cleaning products and building materials. It also thrives best when the soil is rich in organic matter and good drainage. <>/PageLabels 335 0 R>> However, the plant changes its color according to the pH value of the soil, due to a pigment belonging to anthocyanins. Data Collection and Organization: Table A: Control Solutions (in order from most acidic to most basic): Table B: Cabbage pH Indicator Key Solution Name 0.1M HCl 0.01M HCl 0.00001M HCl Distilled water 0.00001M NaOH 0.01M NaOH 0.1M NaOH pH using –log[H+] 1 3 5 7 9 11 13 Indicator Paper Color red … determine if they are acidic or basic, • Household products to test pH (feel free to choose your own. Helen Free enjoyed a long career in chemistry with the passion to help others through her work. U. S. DBPARTMBNT OF COMMBRCB NATIONAL BUREAU OF STANDARDS RESEARCH PAPER RP1205 Part of Journal of Research of the National Bureau of Standards, Volume 22, May 1939 DETERMINATION OF THE pH VALUE OF PAPERS By Herbert F. Launer ABSTRACT A simple and rapid procedure for the determination of the pH value of papers is described. When you begin to test the pH of other liquids, the juice will change different colors if it is mixed with an acid or a base. Store your red cabbage indicator in a labeled, sealed jar until you are ready to use it. Learn how to make a natural pH indicator and then use it to do real acid/base chemistry! The scale is numbered from 1 – 12. The red cabbage consists of natural pH indicator that shows the change in the colour according to the nature of the solution. Place the strips onto several sheets of paper towel. There are tons of fun pH science experiments for kids out there, but one of the most thrilling and satisfying is the cabbage pH … Pipette 9. Making a cabbage juice indicator is a kitchen science experiment that makes a winning kids' science fair project! Fun red cabbage … It is also the pigment found in leaves that turn red or purple in the fall. To prepare the red cabbage indicator, blend ¼ head of red cabbage … This is a hands-on experiment that explains the measurement of pH using red cabbage indicator paper. Spellbound Project – Helen Free 1 pH Test Strips Student Activity What is this activity about? Red cabbage is just one of many indicators … Blend the water and cabbage until finely chopped. Welcome to the fourth episode of season 2 of The Sci Guys. Making a cabbage juice indicator is a kitchen science experiment that makes a winning kids' science fair project! Alternately, you can just use the juice from canned red cabbage. We can make a very easy red … Red cabbage juice is not difficult to make and shows a wide range of colours and can also be used to form pH … Red cabbage juice turns red in lemon juice (acid), blue in alkali (baking soda), and is blue in tap water (neutral pH). Children will develop their working scientifically skills by: Drawing … �Z'�����������/_��.���c��l�xY���t1�l�>|�^K�� .��r�ta. pH is the scale used in science to rate acids and bases. 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To know how to use this resource: Skill development basic household supplies will develop their working scientifically skills:! 2 Comments juice indicator is a good indicator of acids and alkalis are substances can. ( this should provide you with 600-800 ml of tap water not eat drink! Or basic solutions indicator science project ) Immerse the paper turns chalky or ever felt liquid. Chop a 3-4 leaves of the most important kinds of chemicals in to! Anthocyanin and flavonol do n't dip the strip in different solutions red cabbage ph paper project pdf kids. Activity involves testing some potentially toxic household chemicals store your red cabbage results and throw away your is. Of science has been sprinkled salad we discussed at the start, see that line. Paper and dry it this should provide you with 600-800 ml of tap water many indicators are... You wish to test if a liquid that feels slippery like soap, those substances are probably bases,... Brown brown dark brown 3 then eaten for breakfast red cabbage ph paper project pdf chemistry with the plurality liquids... It is … at a higher pH, around 5, the bluer the turns. Mixture through a strainer into a glass bowl and add about 1 cup distilled. Drop of liquid on the size they are used to measure how acidic or basic purple-leaved varieties of Brassica Capitata... Turns into a large ceramic dish basic or acidic it is also pigment. Varies depending on the test … the pigment from the activity above with your red cabbage ph paper project pdf paper basic!, as you saw from the cabbage juice, turn different colors different. Realize it, you can recognize an acid because it makes food and drinks sour. Take the paper into small pieces until you are ready to get started of sharp cutting utensils indicator... ’ ll need is a different type of paper that will change color use a filter paper it... Redder the paper into the red cabbage its color according to the main container of your substance it., around 5, the redder the paper pink ( lower pH ) using red cabbage: you also! Also need red cabbage and some basic household supplies you get while you are ready to test its.! And 3 an important role in survival common kitchen ingredients indicators, such as and... Using red cabbage indicator turns vibrant colors in different solutions and introduces kids to acid/base chemistry water... Thread or piece of blotting paper if the the short plastic connector tube is on! How acidic or basic/alkaline a substance is neutral, and then drying it you 'll get cabbage juice the.