The educational resource shows a visual about the free fall in vacuum: whatever their shape and mass, all bodies fall with the same speed in a vacuum.

The educational resource shows a visual about the free fall in air: when a body falls through a fluid such as air, its shape is important.

Concept of free fall

Concepto de la evolución de las estrellas. El ODE muestra información acerca de qué es una estrella y se puede interactuar con una animación

Concept of acceleration (I)

Concept registration data

Concepto de la materia causa la gravedad

Óptica, alcance y resolución de un telescopio.

Concepto de la energía potencial eléctrica. El ODE muestra una animación donde se puede trabajar el concepto de energía potencial eléctrica a través de modificar los valores de dos cargas (una fija y otra móvil) interpretando el gráfico que se obtiene al desplazar la carga móvil hacia el infinito.

Concepto de frente de ondas

Concept of particle in an infinite well

The educational resource shows information about the concept biomass energy and its advantages and its disadvantages.

The educational resource shows information about the coal: coal is a light, black substance which comes from the fossilization of vegetable matter. Coal is used as an industrial fuel, in power stations and in home heating. There are 4 types of coal: anthracite, bituminous coal, lignite and peat.You can see how they are formed in the following animation.

The educational resource shows information about the concept of chemical energy: chemical energy is what is produced in chemical reactions. An energy cell or a battery possess this type of energy. The gas burning in a cigarette lighter shows how the chemical energy contained in the gas is transformed into light and heat.

Energy from fossil fuels (coal, oil and natural gas) comes from substances which originated from the accumulation, millons of years ago, of large quantities of remains of living beings at the bottom of lakes and other sedimentary depressions. By clicking on the following controls you can learn more about each one of these fuels.

The electricity consumption

Concepto y descripción de los fusibles

Concept of density. Performing calculations.

Concepto de segunda ley de la desintegración radiactiva. 2ª Ley de Soddy

Concept of half-life