A good hypothesis for elephant toothpaste? Here, our hypothesis is about hydrogen peroxide. The experiment must therefore modify the proportion of hydrogen peroxide in the elephant toothpaste. An experiment also needs a control – a part of the experiment where nothing changes. The control could be without hydrogen peroxide (and without foam).
What does the elephant toothpaste experiment teach? The experiment created a reaction called an exothermic reaction, which means it not only created foam, but also heat! The foam produced is just water, soap and oxygen, so you can clean it with a sponge and pour any liquid left in the bottle down the drain.
What Makes Elephant Toothpaste Go Higher? Gaseous oxygen forms bubbles. These bubbles would typically rise out of the liquid and quickly burst. But adding a little dish soap provides extra surface tension, allowing bubbles to be trapped and creating lots of suds.
What is the conclusion for elephant toothpaste? What is the conclusion of the elephant toothpaste experiment? Our hypothesis was that the test using the 30% solution would be the fastest and it turned out to be correct. It was the fastest because it contained more pure hydrogen peroxide, which gave it more oxygen when broken down and expelled foam faster.
A Good Hypothesis for Elephant Toothpaste – Related Questions
What is the independent variable in the elephant toothpaste experiment?
Independent variables: The independent variables of the experiment are both the catalysts added in test 2 and in test 3 to modify the reaction rate. Dependent variable: The dependent variable in the experiment would be the reaction rate of hydrogen peroxide decomposition in all three tests.
What does elephant toothpaste prove?
In this activity, students will observe a chemical change by combining a mixture of yeast with hydrogen peroxide and dish soap. The resulting foam (“the elephant’s toothpaste”) demonstrates a chemical reaction that can “explode” in student engagement!
How to make elephant toothpaste suitable for children?
Make elephant toothpaste
Pour 1/2 cup of hydrogen peroxide solution, 1/4 cup of dish soap and a few drops of food coloring into the bottle. Shake the bottle to mix the ingredients. Place the bottle in a sink or outside or some other place where you won’t mind having wet suds everywhere.
What is Devil’s Toothpaste?
What is Devil’s Toothpaste? Elephant toothpaste is like the baby version of devil toothpaste because they both look the same foamy. However, Devil’s Toothpaste is a mass explosion that requires a catalyst like potassium iodide or yeast, hydrogen peroxide, and soap to get started. This makes the reaction colossal.
What is the catalyst in elephant toothpaste?
Hydrogen peroxide is unstable and breaks down into water and oxygen gas over time, but the potassium iodide catalyst accelerates this breakdown within seconds. Add soap (and food coloring if you’re feeling adventurous) and you’ve got a mixture of soapy water and gas to fill in some bubbles.
Is elephant toothpaste a synthetic reaction?
Chemical reactions are happening all the time around us. These reactions include: synthesis.
What is the best catalyst for elephant toothpaste?
The secret ingredient is actually sodium iodide, which acts as a catalyst (something that speeds up a chemical reaction, and in this case, it’s the breakdown of hydrogen peroxide).
Is elephant toothpaste harmful to the environment?
It’s also eco-friendly, meaning any moss that got into the surrounding vegetation likely didn’t harm it.
What are control variables?
A control variable is any variable held constant in a research study. It is not a variable of interest in the study, but it is controlled because it could influence the results. This way you can isolate the effects of the control variable from the relationship between the variables of interest.
Why is Elephant toothpaste an exothermic reaction?
The oxygen-filled bubbles, which make up foam, are actually the rest of what happens when hydrogen peroxide breaks down into water and oxygen. The bottle was hot to the touch because it was an exothermic reaction in which energy is released as heat.
What is the chemical equation for elephant toothpaste?
Overall reaction: 2 H2O2 (aq) → 2 H2O (l) + O2 (g) Page 2 NCSU – Department of Chemistry – Conference Demonstrations Kinetic Safety: Wear appropriate protective equipment, including gloves and safety glasses when preparation and execution of this demonstration. Concentrated hydrogen peroxide can cause burns.
Why are catalysts important to industry?
The usefulness of catalysts in the industrial world is essential. Catalysts make chemical production processes safer, easier and faster. They accomplish this by regulating the activation energy needed to start chemical reactions. All of this is important for industries because it speeds up production rates.
What type of reaction is achieved with the Elephant Toothpaste Demonstration Quizlet?
The purpose of this experiment is to demonstrate an exothermic reaction.
How is Rainbow Horse toothpaste made?
You want to use a 1:6 ratio of yeast to water. We added 2 tablespoons of yeast and 3/4 cup of warm water to each bottle. The children used a wooden skewer to stir the yeast mixture. We waited a few minutes to let the yeast dissolve a bit.
Is Elephant toothpaste safe to the touch?
It’s safe to the touch because all that foam is just soap, water and oxygen. Also let your children have fun with the foam. Just make sure you have a towel handy!
What is the temperature of elephant toothpaste?
The resulting explosion of food coloring and foam is more impressive than any special effect from a Hollywood movie. Disclaimer: The chemical reactions in this video are highly exothermic causing the foam to reach temperatures of 200°F and above.
Who holds the world record for elephant toothpaste?
The tallest elephant toothpaste fountain stands at 20 m (60 ft 7 in) and was made by Fletcher Rollinson, Mark Rober, Bob Pflugfelder, Jacob LaRocca, John Marcu and Dale Leishman (all USA) in Gridley, CA , United States on .
How does elephant toothpaste explode?
Hydrogen peroxide breaks down into oxygen and water. As a small amount of hydrogen peroxide generates a large volume of oxygen, the oxygen quickly pushes out of the container. Soapy water traps oxygen, creates bubbles and turns to foam.
How do you make elephant toothpaste with coke?
Bottle of Coca-Cola, 1½ cups of 6% or 20 volume hydrogen peroxide (purchased at a beauty supply store), 5 drops of Dawn dish soap, blue and red food coloring, 1 teaspoon of active yeast dissolved in 2 tablespoons of warm water, funnel, tray and towels to catch overflowing toothpaste.
Is Elephant toothpaste flammable?
Re: Elephant toothpaste
Thank you for the answer. I see it now. What happens is that the reaction generates pure oxygen, which is a highly flammable environment.
Why is it called elephant toothpaste?
Elephant toothpaste. This demonstration is called Elephant’s Toothpaste because the chemical reaction produces a big, frothy mess that looks like toothpaste squirting out of a tube. It’s so big that only an elephant could use toothpaste that big.