Emulsifiers Content Review

Front

What is an emulsifier?

Back

An emulsifier is a substance that helps mix two liquids that usually don't mix well, like oil and water.

Front

Why do oil and vinegar not mix?

Back

Oil and vinegar do not mix because their molecules are not compatible to bond.

Front

What happens when you add an emulsifier to oil and vinegar?

Back

Adding an emulsifier allows oil and vinegar to mix and stay mixed for a longer time.

Front

Give an example of a common emulsifier used in food.

Back

Lecithin is a common emulsifier found in egg yolks and soybeans.

Front

What is the role of molecular bonds in mixtures?

Back

The strength of molecular bonds determines the stability of a mixture.

Front

True or False: You need supporting evidence to make an inference.

Back

False. Supporting evidence is important for strong inferences.

Front

What can a food scientist do to keep oil and vinegar mixed?

Back

A food scientist can add an emulsifier to keep oil and vinegar mixed.

Front

What is the best emulsifier based on our experiment?

Back

Lecithin was found to be the best emulsifier in our experiment.

Front

What is the density of oil compared to vinegar?

Back

Oil is less dense than vinegar.

Front

What is the effect of shaking oil and vinegar together?

Back

Shaking oil and vinegar can temporarily mix them, but they will separate again without an emulsifier.