Did you know?

The density, d, of an object shows the relationship between the mass, m, of the object and its volume, V: d = m / V The SI unit of density is kg/m3, but g/cm3 and g/dm3 are also used.

Classify. Conductors and Insulators

Classify the following objects into conductors or insulators. Paper Steel Copper Plastic Wood Iron

True/False Light and Sound

Answer true or false: Sunlight comes instantly to Earth. All objects emit their own light. The speed of light is faster than the speed of sound. Sound can be spread by a vacuum.

Analyse. Main periods of the Industrial Revolution

Analyse the timeline. What were the two phases of the Industrial Revolution? Name some of the innovations in each.

Analyse. The Ford cars

Look at the table and answer the questions: Analyse the data and relate the increased production with price developments. How are cheaper production costs reflected?

Classify. Marxism and Anarchism

Complete the table with the characteristics of Marxism and Anarchism:

The Civil War

6.1. From a coup to civil war A coup led by military personnel (Generals Franco, Mola and Queipo de Llano) was carried out in the Canary Islands and in Spanish African territories (Melilla, Ceuta,…

Desarrollo auditivo. Relación imagen y sonido

Desarrollo auditivo. Relación imagen y sonido Seres vivos. Los animales

Accidents

Accidents Accidents happen!

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