21-22 MM 3.4

1

Based on the picture above, when a salad dressing stays mixed, we refer to it as a ___________ mixture.

1

Based on the picture above, when a salad dressing separates, we refer to it as a ___________ mixture.

There are ingredients, known as texture ingredients, that cause liquids that normally don’t mix, to mix and become a stable mixture. These ingredients are called emulsifiers.

Final Observations

Cornstarch Final Observations:

Cornstarch Final Observations:

1

Do you see layers or sediment?

1

Did this ingredient make oil and vinegar completely mix?

1

Is this a stable or unstable mixture?

Flour Final Observations:

Flour Final Observations:

1

Do you see layers or sediment?

1

Did this ingredient make oil and vinegar completely mix?

1

Is this a stable or unstable mixture?

Lecithin Final Observations:

Lecithin Final Observations:

1

Do you see layers or sediment?

1

Did this ingredient make oil and vinegar completely mix?

1

Is this a stable or unstable mixture?

1

Which ingredient created the most stable mixture? What is your evidence?

2

Based on the picture above, when a salad dressing stays mixed, we refer to it as a ___________ mixture.

Based on the picture above, when a salad dressing separates, we refer to it as a ___________ mixture.

Do you see layers or sediment?

Did this ingredient make oil and vinegar completely mix?

Is this a stable or unstable mixture?

Do you see layers or sediment?

Did this ingredient make oil and vinegar completely mix?

Is this a stable or unstable mixture?

Do you see layers or sediment?

Did this ingredient make oil and vinegar completely mix?

Is this a stable or unstable mixture?

Which ingredient created the most stable mixture? What is your evidence?

Which ingredients created unstable mixtures? What is your evidence?