MM 1.9

Which model do you think is the most accurate (correct) - color changing, growing, or attraction model?

Explain why the answer you chose for Question 1

Sentence starter: The ______________ model is the most accurate (correct) because _____________

Draw your chromatography model to show what happened to the molecules before and after adding water to the food coloring.

Claim (Answer to the question): Why are there different colors on the chromatography paper?

Word Bank: properties, molecules, dye

Sentence starter: There are different colors because ______________

Pasta Model: What happened in the pasta model?

What properties caused the pasta mixture to separate? Where did the rice pasta go? Where did the tube pasta go? Where did the bowtie pasta go?

Different pastas: rice, bowtie, tube

Sentence starter: The pasta mixture separated by their ___________________. The ______________ pasta went on the bottom, the ______________ pasta went in the middle, and the ______________ pasta was at the top.

Break It Down - Saltwater Mixture: What happened in the saltwater mixture?

What properties caused water molecules to separate from the salt atoms? Why did the water molecules move through the filter?

Sentence starter: The water molecules separated from the salt atoms because of their ______________. The water molecules moved through the filter because ______________.

Food Coloring Chromatography: What happened in the food coloring chromatography?

What properties caused black food coloring to separate into different colors? Which dye went to the bottom, middle, and top of the paper?

Sentence starter: The black food coloring mixture separated by ___________________. The ______________ dye was on the bottom, the ______________ dye was in the middle, and the ______________ dye was at the top.

Reasoning (Explanation): Explain why are there different colors on the chromatography paper?

Explain what happened to the molecules before and after the black food coloring and chromatography paper was put in water.

Sentences to include (put) in your explanation

-The black food coloring is a substance or mixture?

Sentence starter: The black food coloring is a ______________________

-What happened to the black food coloring when the chromatography was put in water?

Sentence starter: When the chromatography paper was put in water _______________________________________

_________________________________________________________________________________________________________________

- Which color dye molecules was the LEAST attracted to water molecules? How do you know based on the chromatography paper?

Sentence starter: The _____________________ molecules were at the _____________________ of the paper because it was the least attracted to the water molecules.

- Which color dye molecules was the MOST attracted to water molecules? How do you know based on the chromatography paper?

Sentence starter: The _____________________ molecules were at the _____________________ of the paper because it was the most attracted to the water molecules.

Claim (Answer to the question): Your friend Sakiya claims that the water molecules cause the dye molecules to change colors, which is why you see different colors on the Chromatography Strip. Do you agree or disagree with her?

Sentence starter: I agree with Sakiya because _______________ OR I disagree with Sakiya because _______________

Evidence 1 from the MM 1.9 Chromatography model (Before and After Adding Water model) you made

Sentence starter: In the MM 1.9 model, it showed _________________

Evidence 2 from class (CHOOSE 1: Pasta model, Break it Down book (saltwater mixture), Food Coloring Chromatography)

Sentence starter: In the __________________, it showed _________________

Reasoning (Explanation): Explain why the black food coloring separated into different colors.

Your answer should include 3 more sentences.

Sentence starter: The black food coloring separated into different colors because _________________