Directions: Read and answer each of the questions below to show your science mastery.
Use la información en este cuadro para responder las preguntas 1 - 3
Melanie tiene 2 sustancias lÃquidas misteriosas, la Sustancia A y la Sustancia B. Hace algunas observaciones:
Sustancia A:
Color claro
Grueso y difÃcil de verter
Se mueve muy lentamente hacia arriba del papel.
huele dulce
Sustancia B:
Color claro
Delgado - se vierte fácilmente
Sube el papel rápidamente
Sin olor
2 points
2
Question 1
1.
Are these two liquids made from the same molecules? Why or why not? (2 pts)
A. Yes. Both of the substances are liquid, so they must be made up of the same molecules
C. No. Substance A is made of atoms and Substance B is made of molecules
D. No. The two substances have different properties, so they must be made of different molecules
Melanie looks in a reference book and finds the properties of 4 different liquids.
Use this chart to answer Question 2
Sustancia A:
Color claro
Grueso y difÃcil de verter
Se mueve muy lentamente hacia arriba del papel.
huele dulce
2 points
2
Question 2
2.
Substance A is most likely which liquid? (2 pts)
A. Water
B. Canola Oil
D. Corn Syrup
Use this chart to answer Question 3
Sustancia B:
Color claro
Delgado - se vierte fácilmente
Sube el papel rápidamente
Sin olor
2 points
2
Question 3
3.
Substance a is most likely which liquid? (2 pts)
A. Water
C. Rubbing Alcohol
D. Corn Syrup
Use the information in this box to answer questions 4 - 9
Fabian is doing an experiment to see if the ink in a black marker is a mixture or a substance. Fabian draws a dot with the marker on a paper and records what it looks like in his notebook. Then he places the left side of the paper in water. The water moves across the dot on the paper and Fabian records what happens to the dot.
2 points
2
Question 4
4.
Which model best represents the particles (molecules) in the water? (2 pts)
2 points
2
Question 5
5.
Which of these molecules is moving the fastest? (2 pts)
A. The molecules in the water used in the experiment
B. The molecules in the air around the experiment
C. The molecules in the paper used in the experiment
4 points
4
Question 6
6.
Is the marker ink a mixture or a substance? Explain how you know. (4 pts)
Claim: The marker ink is a ______________ (CHOOSE: mixture or substance)
Evidence: In the model, it shows ____________
Reasoning: This means the marker ink is a ___________________ (CHOOSE: mixture or substance) because __________________
Type your paragraph (at least 3 sentences!) below.
2 points
2
Question 7
7.
Which statement best explains what happened to the ink? (2 pts)
A. The water made the ink change color to red and blue
B. The water made the ink molecules stretch and get bigger
C. The water moved the blue ink molecules farther up the paper than the red ink molecules
2 points
2
Question 8
8.
Fabian created 3 different models of the molecules in the marker ink before the experiment. Which model is the most accurate (correct)? (2 pts)
6 points
6
Question 9
9.
Why did the marker ink separate into different colors? (6 pts)
Claim: The marker ink separated because ________________________________________________
Evidence: In the model, it shows _________________________________________________
Reasoning: This means (use the word attract in your explanation) __________________________________________
Type your paragraph (at least 3 sentences!) below.
