Actividades finales - Hacia un sistema mundial

Durante miles de años, lo habitual fue nacer, vivir y morir en un mismo lugar. Cada pueblo o país vivía de los recursos naturales de su entorno. Raramente los habitantes de un territorio conocían…

Evaluación final - Crisis de las democracias y Segunda Guerra Mundial (1...

El período entre 1918 y 1939 fue una época de gran inestabilidad política y económica. La Primera Guerra Mundial desestabilizó la economía europea y Estados Unidos se erigió en la primera…

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Complete. The tectonic plates

Write the name of the tectonic plates: pacific - Nazca - south american - eurasian - antarctic Plate Plate Plate Plate Plate

Did you know?

Marble is a metamorphic rock which has been used since ancient times for sculptures and beautiful buildings; it is not very hard and it is easy to cut and polish. One of the wonders of the world, the…

Choose. Movements and forces

Choose the correct answer from the options below: What quantity refers to the distance travelled by a moving object in a specific tome? What is weight? Where would we we weigh less?

Newton's law of gravitation

Basing his work on many different kinds of experiments, the English physicist Sir Isaac Newton (1642 – 1727) established the law of gravitation. The law of gravitation states that the greater the…

Check. Simple machines

Remember what you have studied in this section and answer the questions: Give the names of some simple machines and say how they work. The lever is one of the most commonly used simple machines. Mention…

Match. Eclipses

Match the sentences: In a solar eclipse, the areas of the Earth where the eclipse shadow is cast is complete, … When the Earth moves between the Sun and the Moon… A total eclipse of the Sun… The…

Six years of democracy (1868-1874)

6.1. The 1868 Revolution As Isabella II's monarchy became more unpopular, political parties joined forces to avoid marginalisation. In 1866, the progressive Liberals, the Democrats and the Liberal…