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Biodegradable Plastics and Their Properties

Biodegradable Plastics and Their Properties

Assessment

Interactive Video

Biology, Chemistry, Science

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores the widespread use of plastics and their environmental impact due to long decomposition times. It introduces the concept of biodegradable plastics made from natural materials like potato starch. The video provides a step-by-step guide to creating potato plastic, explaining the chemical processes involved. It concludes with a demonstration of the biodegradability of the potato plastic using an amylase enzyme, highlighting the potential for engineering eco-friendly plastics.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the small units that make up the chains in plastics called?

Polymers

Monomers

Atoms

Molecules

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long does it typically take for traditional plastics to decompose?

100 years

10,000 years

10 years

1,000 years

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What natural materials are suggested for making biodegradable plastics?

Fruits and vegetables

Metals

Glass

Wood

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main ingredient used as the backbone in potato plastic?

Starch

Oil

Sugar

Vinegar

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does glycerin play in the creation of potato plastic?

Increases its weight

Adds color

Makes it more flexible

Makes it more rigid

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of adding vinegar in the potato plastic making process?

To add flavor

To add color

To cut off branches in starch polymers

To increase temperature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the linear polymer formed when branches are cut off from starch?

Glucose

Amylose

Fructose

Cellulose

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