Polymer Science and Engineering Concepts

Michael Despo introduces a chemical engineering activity aligned with Next Generation Science Standards. The activity involves creating a polymer by mixing borax and glue solutions. The video details the materials needed, safety precautions, and step-by-step instructions for preparing the solutions and observing the chemical reaction. The activity demonstrates key engineering and chemistry concepts, encouraging students to explore different mixture concentrations and their effects.

What is the main focus of the Next Generation Science Standards in relation to engineering?

• Focusing on mechanical engineering

• Emphasizing engineering practices

• Building bridges and roads

• Teaching chemical engineering

Which of the following is NOT a material required for the activity?

• Sand

• Borax

• White glue

• Water

Why is it important to wear gloves and safety glasses during the activity?

• To keep the materials clean

• To avoid spilling materials

• To prevent skin irritation

• To look professional

How much borax is added to the water to prepare the solution?

• 1 tablespoon

• 1 teaspoon

• 1/2 teaspoon

• 1/4 teaspoon

What is the ratio of white glue to water in the glue solution?

• 1:2

• 2:1

• 1:1

• 3:1

What happens to the glue when it is mixed with water?

• It becomes more concentrated

• It becomes diluted and flows easily

• It solidifies immediately

• It changes color

What is the result of mixing the borax solution with the glue solution?

• A new liquid is formed

• A sticky, solid-like polymer is created

• The solutions separate

• The mixture evaporates

What is the scientific term for the substance created in the activity?

• Emulsion

• Colloid

• Polymer

• Solution

What educational value does this activity provide?

• It illustrates chemical engineering and polymer properties

• It shows how to mix colors

• It teaches about plant growth

• It demonstrates the construction of bridges

How can students further explore the properties of the polymer?

• By changing the color of the glue

• By altering the mixture concentrations

• By heating the mixture

• By adding more water