Use the information in this box to answer questions 1 - 3
Javier has 2 mystery liquid substances, Substance A and Substance B. He makes some observations of the two substances:
Are these two liquids made from the same molecules? Why or why not? (2 pts)
Use this chart to answer Question 2.
Javier finds the properties of 4 different liquids.
Which model best represents Substance B? (2 pts)
Using the image below to answer. In which model are the molecules moving the slowest
Miguel is doing an experiment to see if the ink in a black marker is a mixture or a substance. Miguel draws a dot with the marker on a paper. Then he places the left side of the paper in water. The water moves across the dot on the paper and Miguel records what happens to the dot.
Is the marker ink a mixture or a substance? Explain how you know.
Sentence Starters:
The marker ink is a __________ (CHOOSE: mixture or substance).
In the model, it shows __________
This means the marker ink is a __________ because __________
Miguel created 3 different models of the molecules in the marker ink BEFORE the experiment. Which model is the most accurate? (2 pts)
Claim: Short answer
Describe what property caused the dyes to separate into different colors.
Evidence: Use evidence from the model (picture) to support your answer.
Describe what you see in the picture.
Reasoning: Explain your claim with details.
Explain how the marker ink separated by the property.
Explain why the blue ink is on that position of the paper.
Explain why the purple ink is on that position of the paper.
Why did the marker ink separate into different colors? (6 pts)
The marker ink separated because __________
In the model, it shows ____________
The blue ink is on the ____________ part of the paper because ____________.
The purple ink is on the ____________ part of the paper because ____________.
