Sintetiza. Las fuentes de energía alternativas

Recuerda lo que has trabajado en este apartado y contesta: ¿Cuál es la razón del gran interés por desarrollar fuentes de energía alternativas? Cita las fuentes de energía alternativas más…

Máquina de vapor

El corazón de una fábrica era la sala de la máquina de vapor. En ella, una gran caldera, alimentada por carbón, transformaba el agua en vapor. El vapor penetraba en un cilindro y movía un pistón,…

Final Autoevaluation 1.06 - Plant nutrition

Match the parts of the leaf from the previous activity to their functions or features: Where photosynthesis takes place. Where gas exchange takes place and where water is lost. Water and minerals are…

Check. The removal of cell waste

Remember what you have studied in this section and answer the questions: Ask a classmate to define the key words. Which animals have excretory organs and which animals do not? Present your information…

Reproduction in living things

1.1. Types of reproduction Reproduction in living things ensures that the species will continue. There are two basic types of reproduction: Sexual reproduction takes place when sex cells, known as…

Final self-evaluation T01 01 - The 18th century: the Ancien Régime in cr...

Are the following sentences true or false?: The type of agriculture at the beginning of the 18th century was subsistence farming. In the society of estates, the bourgeoisie were a privileged group. The…

Final evaluation T11 07 - A bipolar world: the cold war and decolonisati...

What is the welfare state?

Pop Art - Art in the 20th century

Pop Art began in London and New York in the mid-1950s. The movement was designed for a mass audience, and was created as a form of art that would be fun and easy for the general public to understand.…

Writing bank

Elaboro material deportivo