Log in
Sign up for FREE
arrow_back
Library

21-22 MM 3.6

star
star
star
star
star
Last updated 5 months ago
22 questions
1
1
1
1
1
1
1

Emulsifier Review - Observable Scale (What you can see)

Oil and Water (Vinegar) Mixture

1
1
1

Oil, Water (Vinegar) and Lecithin Mixture

1
1
1
1

Nanoscale - Too small to see (atoms and molecules)


Now we are going to look at the oil and water (vinegar) mixtures at the nanoscale (molecules)

Oil and water (vinegar) BEFORE adding Lecithin


Question 8
8.

Question 9
9.

Emulsifier Model

Click on the link to the model -
https://learning.amplify.com/modelingtool/#/tool/1443521044986/level/29_Emulsion_Model_id_1670

1. Choose one shape to represent each kind of molecule and drag each shape to the Key.

2. In the large box representing the mixture in the cup, create a nanovision model of an emulsifier. From the bottom of the screen, drag shapes you chose to the mixture in the cup.
Question 10
10.

What does the Emulsifier Model show?

Sentence starter: The emulsifier model shows ______________________________

Question 11
11.

Question 12
12.

Question 13
13.

Evaluating Models of Emulsifiers: We are going to evaluate (look/grade) the sandwich model and the surrounding model to see which emulsifier model is more correct.
Sandwich Model

1
1
3
1
Surronding Model


1
1
1
1
Surround Model

Question 22
22.

Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Does this model show vinegar molecules and oil molecules attracted (combined, connected) to each other?
A) Vinegar molecules and oil molecules are not attracted to each other
B) Vinegar molecules and oil molecules are attracted to each other
Does this model show the oil and vinegar (water) molecule mixing or not mixing (staying separate)?
A) Mixing
B) Not mixing (staying separate)
Oil molecule is ____________________________ to vinegar molecule
A) attracted
B) not attracted
Emulsifier molecule is ____________________________ to vinegar molecule
A) attracted
B) not attracted
Emulsifier molecule is ____________________________ to oil molecule
A) attracted
B) not attracted
Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

Question 18
18.

Question 19
19.

Question 20
20.

Question 21
21.

Which model is more correct?
A)
B)
Do you observe (see) layers?
A) Yes, there are layers
B) No, there are no layers
Does this mean the oil and water mix or not mix (separate)?
A) The oil and water mixed
B) The oil and water did not mix (stayed separate)
Are the oil molecules and water molecules attracted to each other?
A) The oil and water molecules are not attracted to each other
B) The oil and water molecules are attracted to each other
Do you observe (see) layers?
A) Yes, there are layers
B) No, there are no layers
Does this mean the oil and water mix or not mix (separate)?
A) The oil and water mixed
B) The oil and water did not mix (stayed separate)
Does this mean the oil molecules are attracted to the lecithin (emulisifier) molecules?
A) The oil molecules are attracted to the lecithin molecules
B) The oil molecules are not attracted to the lecithin molecules
Does this mean the water molecules are attracted to the lecithin (emulisifier) molecules?
A) The water molecules are attracted to the lecithin molecules
B) The water molecules not attracted to the lecithin molecules
Is the lecithin (emulsifier) molecule attracted to the oil molecule?
A) The lecithin molecule is attracted to the oil molecule
B) The lecithin molecule is not attracted to the oil molecule
Is the lecithin (emulsifier) molecule attracted to the vinegar molecule?
A) The lecithin molecule is attracted to the vinegar molecule
B) The lecithin molecule is not attracted to the vinegar molecule
Which of the following is true for this model?
A) Oil and Vinegar are not attracted
B) Lecithin is attracted to Oil
C) Lecithin is attracted to Vinegar
Is the sandwich model correct?
A) The sandwich model is correct
B) The sandwich model is incorrect
Is the lecithin (emulsifier) molecule attracted to the oil molecule?
A) The lecithin molecule is attracted to the oil molecule
B) The lecithin molecule is not attracted to the oil molecule
Is the lecithin (emulsifier) molecule attracted to the vinegar molecule?
A) The lecithin molecule is attracted to the vinegar molecule
B) The lecithin molecule is not attracted to the vinegar molecule
Which of the following is true for this model?
A) Oil and Vinegar are not attracted
B) Lecithin is attracted to Oil
C) Lecithin is attracted to Vinegar
Is the surrounding model correct?
A) The surrounding model is correct
B) The surrounding model is incorrect