Santa's Yogurt Cup Experiment

The video tutorial demonstrates an experiment using a yogurt cup, salt, and food coloring. The process involves creating a colored salt solution, preparing the yogurt cup with a small hole, and observing the flow of the solution into a larger container of fresh water. The experiment highlights the behavior of the saltwater as it interacts with the freshwater, providing insights into fluid dynamics and density differences.

What did Santa have left over from breakfast?

• Milk cartons

• Yogurt cups

• Bread slices

• Orange juice

How many tablespoons of salt did Santa add to the glass of water?

• Five

• Eight

• Seven

• Six

What did Santa use to make a small hole in the bottom of the yogurt cup?

• A knife

• A toothpick

• A needle

• A pin

To what height did Santa fill the yogurt cup with the colored salt solution?

• 2 cm

• 5 cm

• 3 cm

• 4 cm

What did Santa do after immersing the yogurt cup in fresh water?

• He stirred the water

• He removed his finger from the hole

• He added more salt

• He shook the cup

What happens if the yogurt cup is not allowed to float?

• The cup dissolves

• Fresh water flows into the cup

• Colored salt water flows out continuously

• Nothing happens

How long does the colored water flow out of the cup before stopping?

• 25 seconds

• 20 seconds

• 15 seconds

• 10 seconds