Elephant Toothpaste Experiment Quiz

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

• It slows down the reaction.

• It speeds up the reaction without being consumed.

• It is consumed in the reaction.

• It changes the products of the reaction.

Which enzyme acts as the catalyst in the elephant toothpaste experiment?

• Amylase

• Catalase

• Lipase

• Protease

What safety equipment is recommended for the elephant toothpaste experiment?

• Gloves, goggles, and an apron or lab coat

• Helmet and boots

• Earplugs and a mask

• Sunglasses and a hat

What is the first step in preparing the yeast mixture for the experiment?

• Dissolve yeast in warm water

• Add food coloring to the beaker

• Add yeast directly to the beaker

• Mix hydrogen peroxide with dish soap

What happens when yeast is added to 3% hydrogen peroxide solution?

• The solution evaporates

• No reaction occurs

• A steady production of hot foam is observed

• The solution turns blue

How does the reaction differ when using 12% hydrogen peroxide compared to 3%?

• The solution remains unchanged

• No foam is produced

• The reaction is faster

• The reaction is slower

What is the chemical formula for the gas produced in the reaction?

• N2

• H2O

• CO2

• O2

What type of reaction is the breakdown of hydrogen peroxide in this experiment?

• Exothermic

• Neutral

• Endothermic

• Reversible

What causes the foam in the elephant toothpaste experiment?

• The mixing of food coloring with water

• The evaporation of hydrogen peroxide

• The trapping of oxygen bubbles in dish soap

• The reaction of yeast with dish soap

What should viewers do if they want to share their experiment results?

• Post them on Instagram

• Mail them to the show's producers

• Share on Facebook or Google+ with permission

• Send them via email