Unit 12: Waves. Light and sound

Amplitude (n): the distance between a crest or a trough and the equilibrium position of a wave. converging lens (n): a lens which concentrates the light which passes through it. deafness (n): not being…

Find out more. American liberalism

The American Revolution and the practical application of its liberalist policies had a political impact on the rest of the world. In Europe, the 'winds of freedom' from America only reinforced…

Summaries - The age of imperialism

1. The driving factors behind imperialism The Second Industrial Revolution transformed the European powers, who used their new superiority to conquer new territories in Africa and Asia. The causes of…

Research. The Luncheon on the Grass

Why do you think that this painting caused such controversy at the time it was painted?

Check. The second avant-garde

Remember what you have studied in this section and answer the questions: Which two movements emerged after the Second World War? What did they have in common? Describe and identify artists, art styles…

Flauta-Acompañamiento

Flauta-Acompañamiento Profesiones

Tangram Android game

Osos cazando salmones

Imagen de tres osos cazando salmones en un río que nos servirá para hablar de la función de nutrición de los animales.

Aplicaciones incentivan a niños a ser activos en el mundo real

Cada vez son más las aplicaciones digitales que tratan que los niños no vivan únicamente en el mundo virtual. Para eso, combinan lo digital con lo analógico y mezclan el juego con las metas, dando…

Comprueba. Soluciones de una ecuación (1)

Comprueba si 2 y 4 son soluciones de la ecuación: x2 – 6x + 8 = 0 ¿Es x = 2, solución de la ecuación? ¿Es x = 4, solución de la ecuación?