Actividades finales - La población mundial

La población es el conjunto de personas que habitan un territorio, y la ciencia que la estudia es la demografía La demografía se interesa por conocer aspectos de la población como: la dimensión…

El arte de finales del siglo XVIII

1.1. El arte rococó en Europa Durante el siglo XVIII se originó en Francia y se extendió por toda Europa un nuevo estilo artístico: el Rococó. Su estética, elegante y refinada, reflejaba el gusto…

Answer. Animal nutrition

Look at the picture and answer the questions. How do animals get the energy they need to live? What is the difference between food and nutrient? Each cell in an organism needs nutrients and oxygen to…

Transport between cells

2.1. The circulatory system The circulatory system is made up of blood vessels (arteries, veins and capillaries). The heart pumps the blood through the blood vessels to reach all the cells in the body.…

Talk about it. Plant reproduction

Look at the pictures and answer the questions. What types of plant reproduction do you know? What is the relationship between flowers and pollen grains? How are seeds and fruits formed? How are they…

Remember - Matter and its properties

All the objects you can see around you are made up of matter. However, they are made up of different types of matter. These are called substances. Objects, which are made up of matter, can be physically…

Analyse. Dissolution of the Soviet Union

Look at the map and answer the questions: How many republics was the Soviet Union divided into? In which countries did independence cause conflicts? Find out about the conflicts that are taking place…

Alfonso X, el Sabio

Ángulos como giro

Si la semirrecta OA gira alrededor de O hasta OB, se forma el ángulo de la figura: Si las semirrectas inicial y final coinciden, el ángulo es nulo si la semirrecta no ha girado, y completo si ha dado…

Proyección ortogonal. Actividad 4

Copia en tu cuaderno este dibujo y haz lo siguiente: Traza la proyección ortogonal de los segmentos AB y CD sobre el eje OX. Señala sus puntos medios M y N. Dibuja las proyecciones M' y N' de…