Experiment of December 16, 2017:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:

Experiment:

Question:

What is the minimum amount of salt she must add to the bucket of water for the balloon to float?

A) She must stir 50g of salt into the water.

B) She must stir 100g of salt into the water.

C) She must stir 150g of salt into the water.

D) She must stir 200g of salt into the water.

Advice of the day:

The balloon does not need to float on top of the water. It is sufficient if it floats somewhere in the water without touching the ground.