Phase Change 3.1

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Phase Change
Lesson 3.1: “Liquid Oxygen”

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Activity 1
Warm-Up

5 MIN

Phase Change: Lesson 3.1

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Activity 1

Phase Change: Lesson 3.1

Investigation Notebook pg 64

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Open Ended

Do all energy transfers lead to a phase change? How can you use the information from the Sim to respond to the forum user?

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Activity 2
Active Reading: “Liquid
Oxygen”

30 MIN

Phase Change: Lesson 3.1

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Activity 2

Phase Change: Lesson 3.1

In Chapter 2, you used evidence to develop
the argument that the lake on Titan
evaporated because energy was added to it
when Titan’s summer season began.

Let’s take a look at a timeline of Titan’s
summer to see if we can understand the
forum user’s question.

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Activity 2

Phase Change: Lesson 3.1

Why is the forum user confused?

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Chapter 3 Question:

Activity 2

Phase Change: Lesson 3.1

Why didn’t the liquid methane change phase
before 2007?

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Activity 2

Phase Change: Lesson 3.1

Does adding or removing
energy in the Sim
always result in a phase
change?

Let’s discuss what we observed about
energy and phase changes in the Sim.

Video Response

Does adding or removing energy in the Sim
always result in a phase
change?

Open Video Recorder

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Over the next two lessons, we will use our
observations to answer this question:

Activity 2

Phase Change: Lesson 3.1

Investigation Question:
Why does an energy transfer not always result in phase
change?

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Activity 2

Phase Change: Lesson 3.1

Dr. Flores thinks this
article may be helpful in
answering the
Investigation Question.

It discusses how difficult
it can be to change some
substances into a liquid.

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Activity 3
Discussing Annotations

10 MIN

Phase Change: Lesson 3.1

Open Ended

What connections did you make between the article and the Sim?

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Using evidence from the reading and the Sim,
what did you learn about our question?

Phase Change: Lesson 3.1

Investigation Question:
Why does an energy transfer not always result in phase
change?

Activity 3 - Screen 1

Open Ended

Using evidence from the reading and the Sim, what did you learn about our question?

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Activity 4

Phase Change: Lesson 3.1

For this activity, you will
think about what you
learned from the reading
and from the Sim. Then,
you’ll revisit your first
ideas about phase
change.

Open Ended

Think about what you learned from the reading and from the Sim. Then, record your initial response to the question below. Don’t worry if you’re not sure about your answer. You will have the chance to investigate further in the next lesson.

Why does an energy transfer not always result in phase change?

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End of Lesson

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Phase Change: Lesson 3.1