school energy&environment
Themes dealt with in energy
Energy knowledge
In 2014, every second, 1,071 barrels of oil and 109 cubic metres of natural gas were consumed. It is estimated…
The energy system
With the term “energy system” we usually indicate the set of processes involving production, transformation, transport and distribution of energy…
Oil
Today 1,149 barrels of oil are consumed every second worldwide, i.e. 182,740 litres. At present oil is the most important source…
Natural gas
Natural gas is the last fossil source of energy to be used on a global scale. For over a century,…
Coal
Coal has dominated the world energy scenario since the Eighteenth century, up to 1970 and in 2015 it accounts for…
Nuclear
Nuclear power is the source of energy that has been able to conquer, in only fifty years, a share that…
Biomass
In 2015 biomasses satisfied 9.7% of energy requirement worldwide (International Energy Agency Key World Energy Statistics 2017). Exploitation of this…
Hydroelectric
Water is one of the oldest sources for energy production. It is a renewable, abundant and clean source. Hydroelectric power…
Solar
In our Country (Italy) mean annual solar radiation ranges from 3.6 kWh per square metre per day in the Po…
Wind
Man has been using wind energy for thousands of years. The Egyptians were the first to experiment sailing on the…
Geothermal
Our planet constantly produces energy in the form of heat; from the deepest areas it spreads towards the surface: this…
Hydrogen
The hydrogen used for the production of energy is gas molecule hydrogen, identified with the formula H2. It is a…
Waste
In our daily activities, we produce a lot of waste. When we unwrap a packaged snack, or leave some broccoli…