Summaries - Heat and temperature

1. Energy transfer: heat Heat or thermal energy is the energy that is transferred from hot bodies to cold bodies. All the particles that make up bodies have internal energy; the particles in a hot body…

Check. Light, shadow and penumbra

Remember what you have studied in this section and answer the questions: Name two effects that show that light travels in a straight line. Can you demonstrate it now? With a classmate, describe the…

Did you know...

During the French Revolution, citizens were grouped into societies (clubs) according to their political affinities and in order to have some influence in the Assembly. Amongst the most popular clubs…

Check. Six years of democracy (1868-1874)

Remember what you have studied in this section and answer the questions: What political and economic factors led to the Revolution of 1868? Create a timeline to show significant events, uprisings,…

Final evaluation T05 07 - Society and industrialisation in 19th century ...

How did the Spanish railway network develop in the 19th century?

Final self-evaluation T10 05 - A time of conflict in Spain (1902-1939)

Complete the text about "Russia's children" with the missing words or numbers: Santander – Republican – France – Russia – 3000 – children – returned – horrors The government…

Grafía musical

Grafía musical La música en el mundo: Europa

Songs

Productos notables. Actividad 5

Razona por qué si el producto de dos números impares consecutivos cualesquiera aumenta en una unidad, se obtiene siempre un cuadrado perfecto. Pon un ejemplo.

Problemas de ecuaciones de segundo grado. Actividad 7

Queremos partir una varilla de madera de 35 cm de largo en dos partes de manera que los trozos obtenidos sean los lados de un rectángulo de 286 cm2 de área. Determina la medida de cada trozo. El trozo…