Sabías que…

El movimiento a favor de los derechos cívicos de los negros tiene a su máximo representante en Martin Luther King (1929-1968), nacido en Atlanta y pastor de la Iglesia baptista. Este activista fue un…

Complete. The leaves make the food for the plant

Complete the text about the parts of a leaf: takes place in the leaves. Therefore the leaf structure must allow the leaf to exchange and to transport water from the and the stem to the leaves. This also…

Final Autoevaluation 4.01 - Animal reproduction

Answer true or false. Only birds are oviparous. Ovoviviparous animals reproduce through internal fertilisation. We talk about incomplete metamorphosis when there is a chrysalis stage. The mating season…

Talk about it. The natural environment

Look at the picture and answer the questions. Look at the large photo. What sort of ecosystem does it show? Are the animals that live there herbivores or carnivores? Can they find food easily? What…

The natural environment

1.1. The energy of the sun and life The ecosphere is a hypothetical zone existing around any star where the temperature allows life to exist. The conditions which make it possible for life to exist on…

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?

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…

Complete. The economy expansion

Complete the sentences about economic expansion with the missing words: In the late 19th century, the low price of produced in the Americas caused an agricultural in Europe. The crisis was particularly…

Complete. The International Brigades

Complete the text with the missing words: Ebro – Albacete – French – Republic – International – Brunete – Italian – Spain – military – brigades – foreign The Brigades were units made…

El colegio