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Faster Cleaner Composting: The Effect of Amylase on the Decomposition of Biodegradable Plastic

CSEF · 2016 Chemistry

Nimai Talur · Challenger School Berryessa, San Jose, Santa Clara County

Overview

Objectives/Goals The objective of my experiment is to measure the effect of amylase on the decomposition of a biodegradable plastic spoon by varying the amount of added amylase. Methods/Materials Amylase formula, aluminum containers, water, beaker, gloves, kitchen scale, biodegradable plastic spoons. Added different amounts of amylase and measured the decomposition of the plastic spoons over four weeks. Results As I added more amylase, the mass of the spoons decreased. The mass varied indirectly with the amylase. Conclusions/Discussion After comparing the masses of the biodegradable plastic spoons, I concluded that the more amylase added, lower the mass was after four weeks.

Summary statement

My experiment shows that when more amylase is added to the spoons, the more the mass decreased and faster the spoons composted.

Help received

My science teacher helped me by giving me research ideas and reviewing my experiment, and my parents also provided me with helpful information throughout my experiment.

Competition history

  • CSEF 2016 Chemistry · Entry J0631

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