Sound wave

  Sound waves are produced by vibrating objects. Some of the source of sound are talking, shouting, beating, beating drums, […]

SS2 Third Term Physics Senior Secondary School

Welcome to Stoplearn.com online secondary school  SS2 Third term.  Here you can learn Physics for Senior Secondary School  online free […]

SS2 Second Term Agricultural Science Senior Secondary School

Welcome to Stoplearn.com online secondary school  SS2 second term.  Here you can learn Agricultural Science for Senior Secondary School  online […]

Prevention and control of pests

Pests of crops can be prevented or controlled through the following methods: (1)  Physical control; (2) Cultural Control  (3) Biological […]

Meaning of crop pest

A pest can be described as any organism capable of causing damage to crop plant. Types of Crop Pest. Important […]

Disease and pest of crops

A plant disease may be defined as a departure or deviation of the plant from the normal state of health, […]

Meaning of floriculture

Floriculture is simply defined as the cultivation of flowering plants.  In other words, floriculture involves the growth, care, uses and […]

Forest management

Forest can be defined as a large area of land covered with trees and bushes, either growing wild or planted […]

Mixtures and compunds

COMPOUND A compound is a substance which contains two or more elements chemically combined together. A compound is formed as […]

General gas laws

GENERAL GAS LAW From the gas laws, we know that the volume of a gas depends on both its temperature […]