Las técnicas de pesca

Para obtener recursos del mar, los grupos humanos han practicado técnicas muy diversas, que han ido cambiando a lo largo del tiempo; primero eran muy rudimentarias y actualmente son muy eficaces y…

Evaluación final T15 07 - Los fenómenos migratorios

¿Cuáles fueron las causas de la emigración exterior de España a partir del siglo XIX? ¿Qué características generales presentaban los emigrantes?

El Bienio Conservador y el Frente Popular (1933-1936)

5.1. Los gobiernos de derechas La represión del levantamiento de Casas Viejas provocó una grave crisis al gobierno republicano-socialista y Manuel Azaña presentó su dimisión. El presidente de la…

El texto

Think about it. Reproduction in mammals

Remember what you have studied in this section and answer the questions: What are the advantages of a) a long gestation period, and b) being born in the spring or summer? Describe the new-born offspring…

Forms of energy

1.1. Energy Energy is a property of matter which gives it the ability to produce change in its own physical and chemical properties and in those of other bodies. 1.2. The main forms of energy The main…

Final Autoevaluation T12 02 - Waves. Light and sound

Match the definitions to the concepts: This happens when light rays bend as they pass through a transparent medium. They then pass to a different medium that is also transparent. This is an effect by…

FInal Autoevaluation T12 06 - Waves. Light and sound

Describe each of the following scenes and explain what you know about them:

Nationalist movements

The Napoleonic expansion and the Holy Alliance provoked a surge in nationalist sentiment in many European countries. In these territories, the liberal revolutions were accompanied by nationalist…

Match. The crisis of the Bourbon monarchy and the War of Independence

Match the following sentences to the correct concept, event or figure: King of the Bourbon dynasty who abdicated in favour of his son under the influence of Napoleon. Treaty in which Ferdinand VII…