What's in marshmallows?

How many ingredients work together to make marshmallows gooey treats? Fill in the blank: Marshmallows are made with just ___ ingredients (and some air).

• three

• four

• five

• six

Tags

NGSS.MS-PS1-5

What are the main ingredients in a typical marshmallow?

• Sugar, corn syrup, and gelatin.

• Flour, eggs, and butter.

• Milk, cocoa, and vanilla.

• Rice, honey, and almonds.

What is the main function of gelatin in a marshmallow?

• It serves as the scaffolding that gives the marshmallow its stretchy, gooey texture.

• It acts as a sweetener to enhance the flavor.

• It provides the marshmallow with its white color.

• It prevents the marshmallow from melting.

Collagen is a protein made up of three polypeptide chains, each composed of a series of amino acids. Each chain forms a helix—a shape like a corkscrew or spiral staircase. Three of these helices then wind around each other to form a _________?

• triple helix

• double helix

• alpha sheet

• beta barrel

Tags

NGSS.MS-LS3-1

Which of the following statements is TRUE about the melting point of gelatin?

• It is above normal body temperature.

• It is just below normal body temperature.

• It is the same as the boiling point of water.

• It is the same as the freezing point of water.

Tags

NGSS.MS-PS1-4

What happens to gelatin when it is heated and then cooled?

• It stays in a solution.

• It forms a gel by unwinding and then twining back together.

• It evaporates.

• It turns into sugar.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the main difference between the gelatin in marshmallows and in gummy bears?

• Gummy bears use more gelatin to have firmer characteristics, while marshmallows use less gelatin and more air for a fluffy texture.

• Marshmallows use more gelatin to become chewy, while gummy bears use less for a softer texture.

• Both marshmallows and gummy bears use the same amount of gelatin, but marshmallows have added sugar.

• Gummy bears contain no gelatin, while marshmallows are made entirely of gelatin.

The elasticity of marshmallows is easy to simulate with vegan alternatives.

• True

• False

What is the chemical formula for the ideal gas law as described in the article?

• PV = nRT

• F = ma

• H2O = water

What type of carbohydrate is sucrose?

• Monosaccharide

• Disaccharide

• Polysaccharide

• Trisaccharide