Introduction to Solid Waste
This page provides you with a snapshot of the first interactive lesson in Garbology that introduces the topic of waste to students. The aim is for students to understand that waste is a complex topic, which needs to be managed properly. They will discover the different categories of waste and learn several fun facts. To download the rest of this free activity please click on the download icon below. Enjoy!
- Conduct an interactive discussion on waste
- Identify the different categories of waste
- Compare the linear and cyclical systems
- Learn fun facts about waste
Whole class
- Blackboard
- Students need a notebook and pen/pencil to take notes
1 class period
(approximately 35 – 45 minutes)
Communication
Critical thinking
Comprehension
General
Science
English
Preparation:
Read the information provided in the activity.
Familiarise yourself with all the steps and examples discussed.
Instructions:
Explain to the students that we are studying Garbology, a programme on waste.
1 Question round (10-15 minutes):
Start the lesson with a general question round on ‘what is waste?’
Encourage students to come up with their own definitions of ‘waste’.
Write all answers on the blackboard (refer to the mind map below).
Information:
Example definitions of waste:
- Stuff we have lost interest in
- When something has served or fulfilled a purpose and is no longer of use
- Materials that have been used but are no longer wanted, either because they do not work any more, they are worn out, or the valuable part(s) have been removed
- Unwanted, broken or otherwise unusable materials, substances or by-products

Downloading the full activity is absolutely free.
Click the link, fill the form and we’ll send the download links per mail.
Lesson plan (English)
Lesson plan (Tamil)