Transformation of energy in the car, simple electric cell, electric lamp, positive & negative effects of technology

November 6, 2019

Transformation of energy in the car, simple electric cell, electric lamp, positive & negative effects of technology

An electric current is generated when copper wire & zinc rod are dipped inside a lemon after connecting them with an electric lamp because the chemical energy stored in the lemon is converted into...

The Environment

May 15, 2015

Positive and negative effects of chemical pesticides

The chemical pesticides cause the chemical pollution for the soil, the water & the air, they cause serious health risks such as cancer, the nervous system diseases and the reproductive problems in people who...

The Environment

June 15, 2014

The soil pollution and the soil protection from pollution

The soil pollution The pollution is very dangerous, There are different kinds of pollution as air pollution, the water pollution & the soil pollution, The pollution is any change in the environment that disturbs...