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MM 2.3 - 2.4

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If you need to review information from the lesson, watch the video below.
You should have read the book for homework. Answer the following questions.
Question 1
1.

When Maya mixed sugar and water, Maya said "The sugar disappeared." Did the sugar disappear?

Question 2
2.

After leaving a sugar and water mixture by the window for a few days, what did Maya observe in the cup?

Question 3
3.

Why did it look like the sugar "disappeared" when it was mixed with water? What happened to the sugar?

Discussing Solubility
These are models that Diego used to help Maya make inferences about sugar, cinnamon, and water molecules.
Use the information the Sugar and Water Model to answer the questions below

Question 4
4.

Are the sugar molecules attracted or not attracted to water molecules?

Question 5
5.

Does this model show sugar dissolves or not dissolve in water?

Question 6
6.

How do you know (explain your answer)? Use evidence from what you see in the Sugar and Water Model.

Sentence starter: In the model, it shows ____________

Another way to say that sugar can dissolve is to say that sugar is soluble in water.

Question 7
7.

Is sugar soluble or not soluble?

Use the information the Cinnamon and Water Model to answer the questions below

Question 8
8.

Are the cinnamon molecules attracted or not attracted to water molecules?

Question 9
9.

Does this model show cinnamon dissolves or not dissolve in water?

Question 10
10.

How do you know (explain your answer)? Use evidence from what you see in the Cinnamon and Water Model.

Sentence starter: In the model, it shows ____________

Question 11
11.

Is cinnamon soluble or not soluble?

Choose “soluble” if the solid will dissolve in the liquid. Choose “not soluble” if the solid will not dissolve in the liquid.
Question 12
12.

Pepper and water

Question 13
13.

Citric acid and water

Question 14
14.

Cumin and water

Modeling Dissolving
Just like Diego in the book Solving Dissolving, explaining and understanding the concept of dissolving requires the use of visuals and language. We’ll create nanovision models of dissolving.
Question 15
15.

Model 1 – Dissolving (Soluble Solid)
  • Use the MM 2.3-2.4 Dissolving Models document on google classroom
  • Follow the directions on google classroom
  • Take a screenshot of your Model 1 – Dissolving (Soluble Solid) Model
  • Add the picture of your in “Show Your Work” on goformative

Question 16
16.

Model 2 – NOT Dissolving (Not Soluble Solid)
  • Use the MM 2.3-2.4 Dissolving Models document on google classroom
  • Follow the directions on google classroom
  • Take a screenshot of your Model 2 – NOT Dissolving (Not Soluble Solid) Model
  • Add the picture of your in “Show Your Work” on goformative

Writing a Scientific Explanation (Paragraph)

Write a CER (Claim / Evidence / Reasoning) paragraph to answer the question below.

Question: Which flavor ingredients will not leave sediments in the salad dressing?
Question 17
17.

Write your CLAIM (Answer to the question)

Sentence starter: The flavor ingredients that will not leave sediment are ______________ and _________________

Use the following sources of evidence to support your answer

Question 18
18.

Evidence: How does your observations from the Flavor Ingredients Test support/prove your answer to the question?
Sentence starter: In the Flavor Ingredients Test, it showed _____________

Question 19
19.

Evidence: How does your observations from the Modeling Matter Simulation support/prove your answer to the question?
Sentence starter: In the Modeling Matter Simulation, it showed _____________

Question 20
20.

Evidence: How does your observations from the text, Solving Dissolving, support/prove your answer to the question?
Sentence starter: In the text, Solving Dissolving, it showed _____________

Question 21
21.

Evidence: How does your observations from the Nanovison Dissolving Models support/prove your answer to the question?
Sentence starter: In the Nanovision Dissolving Models, it showed _____________

Question 22
22.

Reasoning: Explain why some flavor ingredients do not leave sediment

Use the words from the Word Bank in your explanation
Word Bank: Dissolve Soluble Attract Molecules

Sentence starter: _________________ and _________________ do no leave sediment because __________________________