Did you know? Pure substances: elements and compounds

Elements can be found in nature in different proportions. For example, on Earth, the most common elements are iron, oxygen and silicon (which is present in the silicon dioxide of the sand on beaches).…

Define. Concepts

Define these words: Oscillatory motion Transverse wave Penumbra Refraction of light Primary colours of light Source of sound Echo

Final evaluation T10 09 - A time of conflict in Spain (1902-1939)

Which economic and social changes took place in republican and rebel areas during the civil war?

Condemnation

As we are convinced that Franco's fascist government in Spain was imposed by force on the Spanish people, with the aid of the Axis powers, and which gave material assistance to the Axis powers…

Critical voice in the church

We do not have 25 years of peace behind us, only 25 years of victory. The victors (and that includes the Church, which was forced to fight on the side of those victors) have done nothing to bring to an…

Interpret. Public DEBT in the Eurozone in 2010

Look at the graph and answer the question: Which countries had the greatest public debt in 2010? In which countries was the public debt more/less than 40%? Was Spain's debt larger than Austria's?

La literatura del Renacimiento

Del Existencialismo al Realismo social

Actividades - La democracia española

Actividades La democracia española

Un proyecto ético: los derechos humanos