Change in Matter (Ice Cream in a bag)

When matter goes from liquid to solid, that's called...

• Freezing

• Melting

• Evaporation

• Condensation

What happens to matter during freezing?

• Solid turns liquid.

• Liquid turns into solid.

What did we pour into the smaller zip lock bag?

• water

• ice

• milk

• shampoo

What state of matter is the milk when you begin?

• solid

• liquid

• gas

• plasma

What state of matter should the milk be when you were finished?

• solid

• liquid

• gas

• plasma

Why do we add salt to the ice?

• To add flavor to the ice cream

• to lower the temperature at which water freezes

• to melt the ice faster

• to completely stop the ice from ever melting

What did you do make the milk turn into ice cream?

• take it outside in the sunshine

• shake and rub the bag

• put it in the freezer

• put in in an ice cream machine

Why did we add sugar to the milk in the bag?

• to make it freeze faster

• to keep it from sticking to the bag

• to make it sweeter

• because we wanted to

Why do you need to use a small towel or napkin and wear it on your hands?

• to keep your hands from getting so cold

• in case you spilled your milk you could clean it up quickly

• to make you look cooler while making ice cream

• so you could catch the football better at recess

Why did the outside of the bag get wet? (Choose the best response)

• condensation occurred because the moisture in the air cooled when it came in contact with the cold ice

• bags leak