Introducción - El arte del siglo XX

En las primeras décadas del siglo XX, el arte ya no se concibe como una imitación de la realidad. Las experiencias impresionistas y postimpresionistas de finales del siglo XIX, dejaron la semilla de…

Els semes, components dels mots

Els semes, components dels mots El significat dels mots

La lírica y la prosa en el Barroco

La literatura española en el siglo XIX

Learn. Spontaneous generation - Animal reproduction

In ancient times, many people believed that living things could be created spontaneously from decomposing material. Aristotle stated that flies and mosquitoes were produced spontaneously from mud in…

Interpret. The behaviour of molluscs

Look at the picture and answer the questions: Look at the drawings. Explain what is happening. What is the stimulus for this behaviour? What is the response? Is this an innate or acquired behaviour?…

Write chemical equations. Matter and its properties

In order to write the chemical formula for a chemical reaction correctly, we have to write the formulas of the reagents, followed by an arrow and the formulas of the products. [...]

Observe. Deformation of a spring

The greater the force applied to a spring, the greater the deformation it experiences. When the force disappears, the spring returns to its original length. If the force exerted by weight, w2, is double…

Final Autoevaluation T12 01 - Waves. Light and sound

Answer these questions: What two different waves can be classified? How can there be two different types of light sources. List some examples of linear propagation of light.

Final self-evaluation T02 07 - Liberal revolutions and nationalist movem...

Complete the sentences about democracy with the missing words: liberal – collective – sovereignty – suffrage – sovereignty – democrats – democratic – suffrage Around 1848, the prevailing…