States of Matter and Ice Cream Lab

What state of matter was the milk when you began?

• Solid

• Liquid

• Gas

• Plasma

What state of matter was the milk when you were done?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

In order to change the phase of the milk, what had to be removed (WHAT WAS TRANSFERRED)?

• heat

• Fat

• water

• cold

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happened to the thermal energy that left the milk? Where did it transfer to?

• It transferred to the ice and salt mixture

• It remained in the milk.

• It was lost to space.

• It was converted into cool energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Why was the salt added to the ice?

• To lower the freezing point of ice

• To increase the freezing point of ice

• To make the ice melt slower

• To add flavor to the ice

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

If you did not add sugar, do you think the ice cream would have frozen faster?

• Yes, it would have frozen faster.

• No, it would not have frozen faster.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Why did the outside of the bag get wet? (Assume that your bag did not spring a leak.)

• Condensation formed on the outside of the bag.

• The bag was placed in a wet area.

• It started raining.

• Someone spilled water on it.

Which phase of matter was the water in before it condensed on the bag (from question 7)? EXPLAIN YOUR ANSWER

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which best describes the phase change that occurred with the water vapor in the air

• gas --> liquid (condensation)

• liquid --> gas (evaporation)

• solid --> gas (sublimation)

• liquid --> solid (freezing)

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Kinetic energy is...

• 
• 
• 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5