Use the model below to answer the following questions.
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Question 1
1.
đź’š The water made the ink change color or turn into to red and blue.
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Question 2
2.
Explain your answer for Question 1.
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Question 3
3.
đź’š The water made the ink molecules stretch and get bigger.
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Question 4
4.
Explain your answer for Question 3.
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Question 5
5.
đź’š The water moved the blue ink molecules farther up the paper than the red ink molecules.
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Question 6
6.
Explain your answer for Question 5.
Reading: Solving Dissolving
In this book, the older brother tries to explain to his little sister why some ingredients dissolve using diagrams and models to help him explain what happens at the nanoscale when they mix solids and liquids!
đź’š When Maya mixed sugar and water, Maya said "The sugar disappeared." Did the sugar disappear?
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Question 8
8.
After leaving a sugar and water mixture by the window for a few days, what did Maya observe in the cup?
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Question 9
9.
đź’š Why did it look like the sugar "disappeared" when it was mixed with water? What happened to the sugar?
Sugar and Water
Discussing Solubility
These are models that Diego used to help Maya make inferences about sugar, cinnamon, and water molecules.
inference: something you figure out based on observations and what you already know
Use the information the Sugar and Water Modelto answer the questions below
Use the information the Sugar and Water Modelto answer the following questions
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Question 10
10.
đź’š Are the sugar molecules attracted or not attracted to water molecules?
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Question 11
11.
đź’š Does this model show sugar dissolves or not dissolve in water?
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Question 12
12.
How do you know (explain your answer)? Use evidence from what you see in the Sugar and Water Model.
In the model, it shows ____________
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Question 13
13.
Soluble means able to dissolve in water or another liquid.
Is sugar soluble or not soluble?
Cinnamon and Water
Use the information the Cinnamon and Water Modelto answer the questions below
Use the information the Cinnamon and Water Modelto answer the following questions
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Question 14
14.
đź’š Are the cinnamon molecules attracted or not attracted to water molecules?
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Question 15
15.
đź’š Does this model show cinnamon dissolves or not dissolve in water?
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Question 16
16.
How do you know (explain your answer)? Use evidence from what you see in the Cinnamon and Water Model.
In the model, it shows ____________
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Question 17
17.
đź’š Soluble means able to dissolve in water or another liquid.
Is cinnamon soluble or not soluble?
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.
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Question 18
18.
đź’š Pepper and water
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Question 19
19.
đź’š Citric acid and water
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Question 20
20.
đź’š Cumin and water
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Question 21
21.
Your sibling poured some sugar into water. When they couldn’t see it anymore, they said it disappeared. Do you agree or disagree? Use evidence from class to explain your answer.
Diagram (Model) from the text: Solving Dissolving
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Question 22
22.
Use evidence from the model to explain your answer for question number 15.
Your sibling poured some sugar into water. When they couldn’t see it anymore, they said it disappeared. Do you agree or disagree?
Sentence starer, pick one to explain your answer.
The sugar disappeared because in the model, it shows __________________________________
OR
The sugar did not disappear because in the model, it shows __________________________________
Exit Ticket
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Question 23
23.
💚 Choose “soluble” on the spaces below if the solid will dissolve in the liquid. Write “not soluble” on the spaces below if the solid will not dissolve in the liquid.
Salt and Water __________
Dirt and Water __________
Pepper and Water __________
Sugar and Water __________
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Question 24
24.
💚 Your sibling poured some sugar into water and mixed it. When they couldn’t see it anymore, they said it disappeared. Do you agree or disagree? Use evidence from class to explain your answer.