Check. The nature of light

Remember what you have studied in this section and answer the questions: What is light made up of? ➞ Light is made up of... In which substance does light travel at its maximum speed?

Interpret. The "turno pacífico"

Describe the cartoon. Identify the characters and their political affiliations. Summarise the artist's message in your own words.

Events leading up to the First World War

There were a great many tensions and conflicts between the nations in the years leading up to the First World War. This escalation of hostility is why many historians describe it as 'an inevitable…

Match. The Weimar Republic and the Nazy party

Match the sentences with the correct concept: Autobiography of Adolf Hitler. Failed coup d'etat carried out by members of the Nazi militias. Swastika. Nazi Party's paramilitary organisations.…

Reflect. EU AID to some member states in 2010

Look at the graph and answer the questions: Ask about the aid each country received from the EU. → How much aid did... receive for...? Evaluate the effect that EU funds had on Spain's economic and…

New architecture

1.1. Functionalism and organicism During the first half of the 20th century, architectural styles were based on concepts of simplicity and functionality, rejecting the extravagant designs of Modernism…

El Clasicismo musical: la orquesta moderna

El signo ≡

El signo = no tiene el mismo significado en las ecuaciones que en las identidades. En una ecuación, la igualdad solo se cumple para algunos valores de las incógnitas, mientras que en una identidad se…

Autoevaluación final 2.02 - La división celular

Se ha medido la cantidad de ADN que hay en las células de un tejido vegetal que se está dividiendo por mitosis: ¿Qué muestra corresponde a la fase G1? ¿Qué dos muestras corresponden a la fase S?…

Resúmenes - La evolución biológica

1. El origen de la vida Teoría de la generación espontánea: los seres vivos nacen espontáneamente de la materia orgánica en descomposición. Louis Pasteur la refutó en el s. XIX al demostrar que…