JS 3 Science & Technology

A lesson on syphilis, including its mode of transmission and disease progression stages

A well detailed lesson on hepatitis, revealing why hepatitis B is a sexually transmitted disease

A well detailed lesson on types of soil, highlighting the characteristics of each.

A comprehensive lesson on the composition of soil and its importance.

A lesson on soil and its formation processes

An introductory lesson on solid minerals and common examples.

Exploring the causes of desertification and its long term effects.

A detailed lesson on deforestation as an environmental hazard.

A comprehensive lesson on the effects of bush burning.