The reflection of sound

7.1. Reflection of sound Sound is transmitted in a straight line. When it meets obstacles that it cannot cross, like a wall or a rock, it is reflected back in the other direction. Two phenomena caused…

Learn. Noise pollution - Waves. Light and sound

Noise pollution Noise pollution is when there are sounds that are too intense and prolonged in a certain place. For example, sounds with an intensity higher than 55 decibels make it difficult for people…

Final self-evaluation T07 03 - Art in the 19th century

Choose the correct answer: A new painting technique that appeared during the Rococo period. Important Spanish Rococo painter. Neoclassical painter. Neo-Gothic architect. Artist who painted The Card…

Look. The economic crisis

Look at the map. In which country did the economic crisis begin? Where did it spread to?

Final evaluation T10 01 - A time of conflict in Spain (1902-1939)

What did the reform projects of the liberals and conservatives after the 1898 crisis consist of?

Initial evaluation T11 04 - A bipolar world: the cold war and decolonisa...

Put the following Soviet leaders in the correct chronological order:

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…

Final self-evaluation T13 04 - Transition and democracy in Spain (1975-2...

Match each statement with the correct theme: Guarantee that all Spanish citizens are equal before the law. The welfare state was created through tax reforms designed to increase state income. In recent…

Check. Innovations in art in the 20th century

What were the main innovations in art in the 20th century?

La literatura del Renacimiento