Unit 4: Animal reproduction

Break off (v): to become separated from the main part of something. bud (n): a group of cells which differentiates and breaks off an animal to create a new individual by asexual reproduction. budding…

Observe. The periodic table and chemical formulas

Look at the photos and answer the questions: Look at figures 1-3. Say which elements are present in each compound and how many atoms there are of each. Which of these compounds is used as fuel?

Energy consumption in the home

The chart shows the breakdown of the consumption of electrical energy of a household of four people. For example, 18 % of the electricity is used for lighting. What percentage of the electricity…

Sound

6.1. What is sound? Sound is the propagation of vibrations and energy in a straight line and in all directions. It travels from the source of sound to the receptors. Unlike light, sound needs a material…

Look. Monet's style

Look at the painting and compare Monet’s style with realism.

Resistance in Vietnam

Excellency, Lyndon B. Johnson: (...) The Vietnamese have never done any harm to the Unites States, but (...) the United States (...) intensified the war of aggression in South Viet-Nam for the purpose…

Creer

Creer ¡Todos estáis invitados!

CLIL

El invierno

Autoevaluación 5 - Proporcionalidad numérica

Para empapelar un cuarto hacen falta 18 rollos de papel de 60 cm de ancho. ¿Cuántos rollos de 50 cm de ancho serían necesarios? Serían necesarios rollos.