La sociedad del siglo XXI

6.1. Un tiempo de cambios El cambio social más importante de las últimas décadas ha sido la casi total desaparición, en el mundo industrializado, del campesinado (4,4% de la población activa). El…

Las funciones comunicativas del lenguaje

Las funciones comunicativas del lenguaje La comunicación

Els determinants

Els determinants La gramàtica: morfologia nominal

El significado de las palabras

Cómo hacer un análisis sintáctico

Cómo hacer un análisis sintáctico El texto

Check. The natural environment

Remember what you have studied in this section and answer the questions: With a classmate, give an example of each of the following: a population, a community, an aquatic ecosystem, a terrestrial…

Find out on the Internet. Matter and its properties

Watch the following video on matter and answer the questions: www.tiching.com/100374 What four states of matter are mentioned? Although you have not studied plasma, note down what the video tells you…

Final Autoevaluation T10 02 - Obtaining and using energy

Calculate the work being done: By a person who pushes a wheelbarrow for a distance of 100 m if he exerts a force of 500 N. W = J By a person pushing a very heavy block, failing to move, exerting a force…

Check. The reflection of sound

Remember what you have studied in this section and answer the questions: What is the reflection of sound? Explain an echo. Why is a minimum distance needed to hear it?

Match. The principles of economic liberalism

Match each definition with the correct business concept: The rivalry between businessmen led to cheaper production, more mechanisation and new technology. Rights of people to obtain, possess and manage…