Dip a litmus paper strip into the lemon juice. I have found that the 'blue' is only a hue and not distinctly blue after waiting for about 30 seconds. Thank you for your questions and I am pleased to have helped! Susan is a science geek, and if that wasn't enough, she gets all nerdy over technology too. There are a number of worksheet options depending on how you would like to approach the lesson, a powerpoint presentation with plenary slides to assess understanding and a loop card game, either to be played as a class, group or individually matched. It will turn red as the lemon juice is acidic. Elementary science / Scientific methodology, Using Colour in Setting Descriptions - unit of work, English Lesson Starters Fun and Interactive, Entire OCR A-Level Chemistry Course Powerpoint, AQA Combined Science Trilogy - Chemistry Whole Unit 4 - Chemical Changes, ALL Chemistry Required Practical Revision Questions. However, it would be nice to have some examples or other reasons why and how one can use these strips in the household for everyday causes. Tes Global Ltd is Susan W (author) from The British Isles, Europe on June 16, 2013: Hi queerlyobscure and welcome to HubPages! I am so glad you liked it! How long must one wait before seeing blue, if Ph is above 7? Acid rain is very damaging. Thank you for this article. This website and its content is subject to our Terms and Let's say that a truck containing a strong acid overturned and the acid spilled everywhere. If it turns blue, that substance is a base. The hue/colour of the blue should vary between different types of litmus paper that you buy, I suggest buying new litmus paper if you don't see any effects on the litmus paper that you are using. The pH of our bodies signalises our health and how healthy our body is. Created: Apr 12, 2019| Updated: May 19, 2019. Square Actually, I may not even be educated enough in applied chemistry to find a common use for these strips. Litmus paper Litmus is a substance obtained from certain lichens. As you can see, knowing the pH of our bodies internal systems is essential to our wellbeing. If it stays the same, that substance is neutral. Dip a strip of litmus paper into the substance. Children would love to make this, and it really looks magical. London WC1R 4HQ. Let's take lemon juice for example. Primarily aimed at the upper end of KS2 but I have used this with Year 4 and Year 7 as all files can be modified to suit different ages and abilities. It can damage limestone monuments and kill fish in the rivers. Make a rain gauge out of a bottle or glass jar. Primarily aimed at the upper end of KS2 but I have used this with Year 4 and Year 7 as all files can be modified to suit different ages and abilities. I have a middle schooler that I am going to use this with, all in the name of fun. Using litmus paper, it should take you a couple of seconds until you see a colour change. Litmus paper will turn red as lemons are acidic. It could get pretty ugly then, lol. Neutral litmus paper is purple. Thanks for the awesome hub! Frank Atanacio from Shelton on January 01, 2014: this will make a good science project great hub. If you cannot find any blotting paper in the shops, you can buy blotting paper on Amazon. Square Add the same amount of vinegar into the washing-up liquid. Distilled water has a pH of 7 so it is neutral. Susan W (author) from The British Isles, Europe on March 30, 2014: Thank you for sharing your thoughts and for commenting, always appreciated. An indicator such as methyl orange or litmus is put into the base. Most substances are either alkali or acid. See picture at top. Topics: Acid, Water, Measuring cup Pages: 6 (1295 words) Published: February 18, 2013. Tes Global Ltd is If it turns blue, that substance is a base. The files support the practical teaching of using litmus paper to determine acid, neutral or alkaline properties. This way the two substances become neutralised. I hope this answers your question, if you need clarification or if you have more questions, just let me know. I WANT TO SHOW MY DAUGHTER TO DO EXPERIMET AT HOME FOR CHEMISTRY AND FOR PHYSICS. Litmus paper dipped in acid turns red (right of strip) and dipped in base turns blue (left of strip). Neutralisation is done when the same amount of an acid is added to a base.