Videos uploaded by user “DIY bama”
Funny Elephant Toothpaste (Chemical Reaction)
you may find related materials in here: 35% hydrogen peroxide: https://goo.gl/RoVc9w Dry yeast: https://goo.gl/Muxei4 Potassium Iodide: https://goo.gl/Li4F9j Facebook: https://www.facebook.com/DIYbama-368512726671270/ If we need to choose top 10 most interesting chemical reactions, I think elephant toothpaste must be one of them. Elephant toothpaste is a very easy and funny science experiment, which results in a rapid eruption of huge amount of foam. In the past few years, I have performed this experiment with my kids over 50 times. Things we need: Level 1: beginner level -10% hydrogen peroxide -food coloring -dish soap -yeast Level2: Intermediate level -20% hydrogen peroxide* -food coloring -dish soap -saturated potassium iodide Level3: ultimate level -35% hydrogen peroxide* -food coloring -dish soap -saturated potassium iodide *20% or above hydrogen peroxide is highly corrosive, please wear glove when you deal with it Elephant toothpaste is the decomposition process of hydrogen peroxide, while yeast / potassium iodide works as a catalyst to break down the hydrogen peroxide into oxygen and water. Soap will then mixed with the oxygen and water, which turn into foam.
Views: 2621932 DIY bama
DIY Beautiful Water Candle
related materials: lamp oil: https://goo.gl/K2mzd7 Square glass vase: https://goo.gl/sz2uud Facebook: https://www.facebook.com/DIYbama-368512726671270/ Introduction This video show you how to make a beautiful water candle in a very cheap way. Things we will need: 1.Glass cup 2.Water 3.Lamp oil( or cooking oil) 4.Candle wick 5.Compass 6.Scissor 7.Tape 8.Transparent sheet 9.Food coloring (optional) 10.Marbles 11.Small stones Procedure: 1.Draw a circle on a transparent sheet and make a hole in the centre 2.Cut the circle out 3.Thread the transparent sheet with wick 4.Cut the extra wick 5.Use the tape to fix the wick 6.Add some marbles into the glass cup 7.Pour the water into the glass cup 8.Add some lamp oil into the glass cup 9.Put the wick on the top 10.Fire the wick, complete!! Notes: 1.Make sure whole wick was soaked with oil when put it into the glass cup 2.The longer the wick, the larger the flame of the water candle 3. the candle can last for several hours and the plastic will not be burnt
Views: 8452728 DIY bama
DIY Crystal at Home (4) - ADP
Ammonium dihydrogen phosphate (ADP) is the most common ingredient in commercial crystal growing kit DIY Crystal at Home (1) Alum https://youtu.be/-DUDhkw3AF4 DIY Crystal at Home (2) -copper(II) sulfate https://youtu.be/k3nClG-DT7w DIY Crystal at Home (3) - potassium ferricyanide https://youtu.be/VyALAjwHZhY
Views: 123148 DIY bama
DIY Crystal at Home (2) - Copper(II) Sulfate
you can get related material in here: copper sulfate: http://amzn.to/2FmkcJ4 250ml beaker: https://goo.gl/vnqWAJ Copper Sulfate is one of the easiest and beautiful crystal which we can grow. DIY Crystal at Home (1) Alum https://youtu.be/-DUDhkw3AF4 More videos about crystal growing will be uploaded soon Facebook: https://www.facebook.com/DIYbama-368512726671270/
Views: 308921 DIY bama
DIY Crystal at Home (1) - Alum
You can get related materials in here: Alum: https://goo.gl/aijmni 250ml beaker: https://goo.gl/vnqWAJ This video show you how to grow a alum crystal at home. Crystal of Alum is very easy to grow it is very suitable for beginner in crystal growing. The growing result from alum is similar to borax, but i think alum crystal is little bit more beautiful than borax. The crystal can be kept for very long time. I will upload more videos about crystal growing in the future, while some of them need few months for growth. Please subscribe my channel if you like. Thank you!
Views: 258046 DIY bama
Fun with Soap & Milk
Views: 89867 DIY bama
DIY Magnetic Putty ( Magnetic Slime)
you can get the related materials in here: Iron (III) oxide :https://goo.gl/oDYJq4 liquid starch: https://goo.gl/xvN7v4 elmer glue: https://goo.gl/mD2vjL Neodymium Disc Magnets://goo.gl/2NezZw I have finished this DIY project in 2014, but I haven't made a video for it at that moment. My kids love this project very much and we have made more than 20 putties you can keep this putty for at least several month if you store in the seal box after playing. Other notes: 1. you cannot use Iron(III) oxide (Fe2O3) instead of Iron(II, III) oxide (Fe3O4), as Iron(III) oxide is not attract by magnetic. 2. you cannot use Iron powder instead of (Fe3O4), as Iron powder will turn to rust (Fe2O3) after some days 3. you cannot use toner instead of (Fe3O4), as toner cannot mixed with white glue well. 4.you can use borax instead liquid starch and you will get the same result. However, the mixture will be separated into two layers after 1week( Top layer is white glue and the bottom layer is iron oxide ), So I do not recommend using borax.
Views: 79389 DIY bama
DIY Crystal at Home (3) - potassium ferricyanide
you can get the related material in here: potassium ferricyanide : https://goo.gl/dqKGsv 250ml beaker: https://goo.gl/vnqWAJ
Views: 28608 DIY bama
Four Colour Change Reaction (Chameleon Chemical Reaction)
Chameleon Chemical Reaction Introduction: Chameleon chemical reaction is redox reaction which show a beautiful colour change. During the reaction, the colour is change from 1. violet 2. green 3. yellow 4. red. Procedure: 1.Prepare a breaker with 500ml warm water 2.Start the magnetic stirrer 3.Add 6 grams sodium hydroxide 4.Add 9 grams sucrose (sugar) 5.Prepare the potassium permanganate solution by adding 30mg of potassium permanganate into 30ml of water 6.Add potassium permanganate solution into the breaker and watch the colour change Principal: Permanganate MnO4 is reduced by sucrose under alkaline environment. During the reaction, KMnO4(violet) is reduced to K2MnO4(green), then it further reduced to MnO2 (brown/yellow) Notes: 1.Sodium hydroxide is corrosive, please be careful when you use it 2.Magnetic stirrer is not a must but it will mixed the solution faster 3.If more sucrose is added, the colour change will be faster 4. If more potassium permanganate is added, the reaction will start with dark violet and it is not easily to see the colour change 5.If less potassium permanganate is added, the final colour may be yellow but not red.
Views: 165939 DIY bama
DIY Chemical Garden
This video shows you how to make a chemical garden. you can get the materials in following links: sodium silicate - https://goo.gl/D4Ffnn
Views: 8835 DIY bama
How to grow bismuth crystal
you can get the bismuth crystal in here: https://goo.gl/JWNkok
Views: 11037 DIY bama
Black Magic Water! (Iodine Clock Reaction)
Introduction: This black magic reaction is very funny. As the reaction is so quick, you can see the colourless water suddenly turn black. This reaction is also called Landolt clock reaction Procedure: The following two solution are prepared separately and then mixed it together. Solution A: 0.38g sodium metabisulphite + 0.6g starch to 80ml water Solution B: 1.4 g potassium iodate to 200ml water. As starch and potassium iodate is difficult to dissolved in water, it is suggested to use hot water instead of cold water. After mixing two solutions, it will turn to black after 13s. Notes: 1. More the potassium iodate, faster reaction to turn black 2. It is suggested to clean the breaker at once after the experiment 3. There is another recipe using potassium iodide instead potassium iodate, but the procedure is more complex and more difficult to control the reaction timing
Views: 14176 DIY bama
DIY Fairy Bottle (Glow Bottle)
Most of the glow bottles on the Internet are created from commercial glow stick. It is very bright and nice, however, it is not rechargeable. The video shows you another way to make glow bottle using glow-in-the-dark sand and clear resin. Clear resin consists of two solutions, commonly named as Solution A and Solution B. The mix ratio is about 2:1, but the actual ratio varies for different brands. The solution is then poured inside a glass bottle, where it is used to glue the glow-in-the-dark sand. The glue-like clear resin will be stiffened completely after dried and the glow bottle is done. Many people may ask how can I get the glow-in-the-dark sand. I got them from my friend ,who has bought bags of glow sands from China. Therefore, I am sorry to say that I am not sure you can get the exact material in other countries. Thank you very much!
Views: 26809 DIY bama
Interesting Light Bulb Experiment Using Pencil Lead
It is an interesting experiment by connecting the pencil lead to the battery with crocodile clip. it is found that 4 X size D battery and 0.5 HB pencil lead provide the best result.
Views: 26243 DIY bama
DIY Glow Board
This video shows you how to make a glow board and how to make fun with it. The glow in the dark spray paint can be easily found in eBay or Amazon, it is not expensive. Th glow board using the ultraviolet light is extremely interesting and all the kids will love it The laser pointer i used in here is less than 50mW and blue color laser is used. There will be nothing to glow if you use a red color laser. Note: I strongly suggest to wear the protection goggles during playing with laser since i find that it is very bright when the laser beam is on the glow board
Views: 7315 DIY bama
DIY Stress ball 2
Views: 9168 DIY bama
The Beauty of Fluorescein (Magic Glow Water)
Fluorescein is the main ingredient in the highlighter and it will glows magically under UV light when it is added into the water When you prepare the fluorescein solution, sodium hydroxide is needed to make the fluorescein dissolve in the water (as fluorescein is not soluble well in water) Note: please be carefully when deal with sodium hydroxide as it is highly corrosive Music: 0:00 Turn on 1:08 Ave Maria
Views: 14095 DIY bama
Black & White Magic (Briggs-Rauscher Reaction)
Introduction: The Briggs-Rauscher reaction is an awesome reaction which looks like a magic. When three solutions are mixed, the colour of the solution will oscillating between colourless ,amber and dark blue. Procedure: 1. Three solutions are prepared as below: Solution A:100ml water + 1.5g malonic acid + 0.4g manganese (II) sulfate + 0.1g starch Solution B: 90ml water + 10ml 1.0M sulfuric acid + 4.3g potassium iodate Solution C:100ml 10% hydrogen peroxide 2. Mix three solutions together , you will get better result if magnetic stirrer is used. 3. Awesome oscillating reaction will start! 4. The reaction will ended after about 5 -10 minutes and final solution is in dark blue colour. Principal: The chemical mechanism of this reaction is very complex and it mainly divides into two parts: 1.Non-radical process -produce iodide ion[blue colour] from malonic acid, iodate and iodine 2.Radical process(occurs only when iodine quantities is low) : -produce iodine[amber colour] and oxygen from hydrogen peroxide and iodate In here, manganese (II) sulfate is a catalyst and starch is an indicator. Notes: 1. If more solutionA is added, the oscillating cycle turn from dark blue to colourless more quickly and the reaction ends with colourless colour. 2. If more solutionB is added, th oscillating cycle turn from colourless to dark blue more quickly and reaction ends with dark blue colour. 3. If more solutionC is added , you won’t get dark blue in the initial few oscillating cycles. 4. Hydrogen peroxide and sulfuric acid are both corrosive, pay special attention when you deal with them. 5. Potassium iodate is difficult to be dissolved in water, so hot water is preferred to use.
Views: 11903 DIY bama
The Beauty of Crystal Growth (Crystallisation of Sodium Acetate)
it is crystallisation progress of supersaturated sodium acetate (hot ice ). All the video is taken under polarised light No artificial colour is added in post- processing i will have another video to show how to play with hot ice (coming soon) Please subscribe if you like, thank you
Views: 12945 DIY bama
DIY Glow Stick (Chemical way)
This video shows you how to make a glow stick. However, as some of the ingredient(e.g. CPPO) is not easy to get, i think you can treat this as a science demonstration rather than a home-made project. Things you need: (1)20ml DEP (Diethyl phthalate) (2)2g CPPO (Bis-(2,4,5-trichloro-6-(pentyloxycarbonyl)phenyl)oxalate) (sorry for mistake in the video) (3)0.1g Sodium Acetate (4)0.05g Rubrene (5)10ml 30% Hydrogen Peroxide Notes: (1)30% hydrogen peroxide is corrosive, please pay special attention when you deal with it (2)As CPPO do not dissolve in water, hot DEP works as a organic solvent (3)As the reaction works better in alkaline, sodium acetate is weak base which works as a catalyst (4)The solution turn will brighter if more sodium acetate is added, however, it will dim more quickly Special thanks to NurdRage, before reading his video, I used TBA(tert-Butyl alcohol) & DBP (Dibutyl phthalate) instead of DEP (Diethyl phthalate). As the melting point of TBA is 25 degree,it may be in solid state under room temperature, it takes extra time for me to prepare the experiment before
Views: 14847 DIY bama
Tin Crystal Growing
Views: 1942 DIY bama
Fun with Glow Water
Views: 8007 DIY bama
How to Grow Bacteria
This video show you how to grow bacteria
Views: 531 DIY bama
DIY Fake Blood (Chemistry Trick)
it is a very famous chemistry trick for making the fake blood. The ingredients you need are: 1.2.5g Potassium thiocyanate + 50ml water 2.2.5g Ferric chloride (Iron(III) chloride) + 50ml water Potassium Thiocyanate is toxic.however, different from potassium cyanide, which is highly toxic, toxicity of potassium thiocyanate is much weaker, so you may see this chemistry trick in some kids science projects Ferric chloride is corrosive if the concentration is high. But the dilute solution( solution required in this experiment) is safe to touch with hands
Views: 72430 DIY bama
DIY Stress Ball
Views: 3311 DIY bama
DIY Edible Playdough
DIY Edible Playdough Introduction: This video shows you how to make play dough at home. All materials we used is edible, it is absolutely safe for kids. Things we will need: 500ml (2 cups) very hot water 500ml (2 cups) flour 250ml (1 cup) salt 10ml (2 teaspoons) cooking oil 20ml (4 teaspoons) cream of tartar (optional) Food coloring Procedure: 1.Add 500ml flour 2.Add 250ml salt 3.Add 20ml cream of tartar 4.Add 500ml very hot water 5.Mix it together (it will take quite long time) 6.Add 10ml cooking oil 7.If the playdough is still too sticky, cook it for 1-2 minute 8.Divide the playdough into several small dough 9.Add food coloring into the dough 10.Knead the dough with hands 11.You can shape the playdough using different mould now Notes: 1.Table salt should be used instead of coarse salt, otherwise, the texture of the playdough is not good enough 2.Cream of tartar is to increase the elasticity of the playdough 3.If the playdough is too dry, add more cooking oil to the playdough 4.If the playdough is too sticky, cook it a little bit longer 5.The playdough can be kept for at least several months if stored in a closed container
Views: 15508 DIY bama
The Art of Science
Music: Alan Walker - Fade I like art and I would like to show the art insides the science in uncommon way. I have an idea of making this video since 2013, however, I have spent extremely long time to do many trials for getting the satisfied result. In some cases, I have tried more than 100 times to get only 5-6 seconds long video. Basically, there are lots of stories behind each the video clip. I hope you will love it. 1. 0:00 Mini bubbles over the black plate 2. 0:10 Soap film on the wand 3. 0:17 Bubble with black color background 4. 0:45 Fluorescein in water under UV light 3. 1:08 Briggs-Rauscher Reaction 6. 1:17 Soap water spray on the milk 7. 1:31 Mixture of the water and oil 8. 1:46 Zinc metal on the filter paper soaked with copper(II) sulfate 9. 1:55 Crystallisation of ammonium chloride 10. 2:00 Crystallisation of sodium acetate under polarised light 11. 2:22 Cobalt (II) chloride in sodium silicate [Chemical garden] 12. 2:29 Copper (II) chloride in sodium silicate [Chemical garden] 13. 2:33 Manganese (II) chloride in sodium silicate [Chemical garden] 14. 2:45 Glow stick solution in DEP (Diethyl phthalate) 15. 2:54 Burning lithium 16. 3:11 Plastic fork under polarised light 17. 3:26 Electrolysis for Tin(II) Chloride 18. 3:48 Paper Clip floating on the water 19. 4:06 Moving magnet below ferrofluid Which one is your favourable section?
Views: 6872 DIY bama
Blue Bottle and Traffic Light Bottle ( Color Change After Shaking the Bottle!!)
Introduction: Blue bottle is a funny and simple experiment. The liquid inside the bottle is initially colourless, after we shake the bottle, it will turn to blue colour magically. However, when the bottle keep stationary for a some time, it will turn to colourless again. The process can be repeatable several times Traffic light bottle is similar to blue bottle. The liquid inside the bottle is initially yellow in colour, when we shake the bottle lightly , it will turn to red colour, when we shake the bottle again, it will further turn to green colour. However, when the bottle keep stationary for a some time, it will turn to red and then to yellow . The process can be repeatable several times Procedure: Prepare a 250ml bottle ,then add some water, sodium hydroxide and glucose according to following table, make sure all the chemicals are dissolved. Then few drops of indicators can be added. Do not add too much Methylene blue for blue bottle experiment, otherwise, it take long time to turn to colourless again. A: Blue Bottle: water100ml sodium hydroxide 2g glucose 2g Methylene blue 3 drop B:Traffic Light Bottle: water100ml sodium hydroxide 1g glucose 2g Indigo carmine 15 drops 1. Sodium hydroxide is strong alkaline and very corrosive, it also called as lye. it is normally used for drain cleaning liquid. 2. Methylene blue is commonly found in aquarium. it can be used in fungal infections treatment tropical fish. It is also a common redox indicator, its oxidised state is in blue colour while the reduced state is in colourless. 3.Indigo carmine is another redox indicator, its oxidised state is in green colour while the reduced state is in yellow colour. Principle: When the bottle is being shake, methylene blue is oxidised to blue colour. when the bottle keep stationary for some time, methylene blue is reduced to colourless by glucose.
Views: 7330 DIY bama

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