What Happens When We Mix?

Materials:

• Zip-Top Freezer Bag

• Heavy cream

• Salt (optional)

• Plastic knives

• Crackers or bread

Instructions:

• Pour a small amount of cream into each zip-top freezer bag.

• Zeal the bag tightly and place it inside a second bag for safety. 

• Children shake the bag for several minutes.

• Observe how the liquid changes into whipped cream, then butter.

• Open the bag and separate the butter from the liquid (buttermilk).

• Spread butter on crackers and taste.

Powerful InterACTions - PK3:

• What is happening when we shake?

• How many times did you shake the bag?

• Is it liquid or solid?

• Is it thick or runny?

• How many tablespoons of yogurt did you scoop?

Powerful InterACTions - PK4:

• How many tablespoons of yogurt did you scoop?

• What changed?

• Why do you think it became solid?

• ​​What Happens When We Mix?

• How many times did you shake the bag?

• What happens if we shake faster?