Dry Ice Bubble Experiment

We can use our bare hands to touch dry ice.

• Yes

• No

What is dry ice composed of?

• Carbon dioxide

• Nitrogen

• Water

• Oxygen

Which of the following is not the bubble’s enemy?

• Oil

• Air

• Dirt

• Unclean hands

Dry ice turns to liquid in a process called evaporation.

• True

• False

What is the name of the process that the dry ice underwent in the experiment?

• Evaporation

• Heating

• Sublimation

• Condensation

When you place a piece of dry ice into the bottle of water, what we see is a mixture of ________

• Carbon dioxide and water vapour

• Carbon dioxide and oxygen

• Carbon dioxide and carbon monoxide

• Oxygen and water vapour

Which of the following is not included in the dry ice bubble generator?

• Funnel

• Tube

• Container

• Lid of the bottle

When making the soapy solution, we have to add the water first followed by the dish soap. Is this statement correct?

• Yes

• No

Hence, what is the purpose of adding water first but not the dish soap first?

• To prevent it from bubbling up

• So the soap can dissolve more completely

• It is more effective than adding dish soap followed by adding water

• Easy to remember

We have to handle dry ice by using _____ or _______

• Insulating gloves, tongs

• Gloves. safety spectacles

• Camera, tongs

• Bare hands, bare feet