← All lessons
🔬 Science - Class 9
Unit 9 · Energy

Bioenergy Presentation

ScienceSubject
8 minEstimated read
Slide 1 of 4
Science and Technology, Class 9, Energy

Bioenergy

Biomass · Briquettes · Biogas

What We Learn in This Topic

🌿

What bioenergy and biomass are

🧱

How briquettes are made and why they are used

🔥

How a biogas plant works

8 more slides are waiting

The notes are free to read in full.

Create free account Sign in

Presenter notes: Today we study the energy that comes from living things: firewood, dung cakes, and the gas made from dung are all bioenergy. Before starting, ask the class what fuel cooks the food at home.