Smoke Waterfalls Experiment Quiz

What happens to the density of gas as it gets warmer?

• It becomes denser.

• It becomes heavier.

• It becomes lighter.

• It remains the same.

Which of the following is NOT required for the smoke waterfall experiment?

• A thermometer

• A package of Post-it notes

• A small Beaker or glass

• A butane lighter

What is the purpose of the paper clip in the experiment?

• To light the paper tube

• To hold the paper tube

• To measure the temperature

• To extinguish the fire

Why do the smoke molecules fall instead of rise in the experiment?

• They are heavier than air.

• They are pushed down by the flame.

• They are trapped and cool down.

• They are lighter than air.

What is produced during the combustion of paper in the experiment?

• Only carbon monoxide

• Gaseous molecules like carbon monoxide, carbon dioxide, and water vapor

• Only water vapor

• Only carbon dioxide