Elephant Toothpaste Experiment Quiz

What is the role of a catalyst in a chemical reaction?

• It is consumed in the reaction to form products.

• It slows down the reaction by forming new substances.

• It changes the chemical composition of the reactants.

• It speeds up the reaction without undergoing any change.

Which of the following is NOT needed for the Elephant Toothpaste experiment?

• Hydrogen peroxide

• Yeast

• Baking soda

• Dish soap

What indicates a chemical change during the experiment?

• The color change from food coloring

• The formation of bubbles

• The dissolution of yeast in water

• The smell of yeast

What type of reaction is indicated by the release of heat?

• Endothermic reaction

• Neutral reaction

• Catalytic reaction

• Exothermic reaction

What is the purpose of adding dish soap in the experiment?

• To change the color of the solution

• To trap the gas in bubbles

• To react with hydrogen peroxide

• To dissolve the yeast