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The parts of a plant
EduBook Organización
5138 visitas
All plants have roots, a stem and leaves. Some plants have flowers and fruit. Roots The roots hold the plant in the ground. They absorb water and mineral salts from the soil. Plants use these to make…
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Cells
EduBook Organización
4361 visitas
3.1. Living things are made up of cells All living things, also called organisms, are made up of cells. Numerous living things are made up of only one cell. They are called unicellular organisms. Other…
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Before you start - Our planet Earth
EduBook Organización
5 lo usan

3058 visitas
Didactic objectives Locate the Earth in space and understand the main characteristics of the Milky Way. Recognise and compare the planets of the Solar System. Know the size, shape and composition of…
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Summaries - Prehistory
EduBook Organización
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1. The first humans. The Palaeolithic Age In Africa, six million years ago, some primates began the process of evolution. Over a very long period of time, these primate species evolved into humans.…
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Dhaka: fastest growing megacity in the world
Maria Pallarés Docente
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5559 visitas
Video about Dhaka, the capital of Bangladesh. With its current population of 15 million people, Dhaka is the city with the highest population growth in the world. Between 1990 and 2005, the city doubled…
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Classify. Invertebrates
EduBook Organización
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With the following classification keys, identify the invertebrates in the photos. Although there are five sections to the table, you only need to identify the four insects pictured. After that, answer…
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Self-evaluation 10 - Prehistory
EduBook Organización
3165 visitas
Re-write these sentences about Prehistory and correct the errors: Once the first humans learnt to use fire and cook, the size of jaws and teeth began to increase In the Palaeolithic Age, people were…
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The population of Spain
EduBook Organización
3104 visitas
1.1. Spain's demographic model Spain's population has followed the same model as other western European countries. During the 20th century, the high birth rates and high mortality rates began to…
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Blood circulation (II)
EduBook Organización
2627 visitas
The heart The heart is the organ that pumps blood to all the cells in our body. It is about the size of a closed fist. Its walls are made of muscle tissue. The heart contains four chambers: The two top…
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The beginning of life
EduBook Organización
2441 visitas
1.1. The Earth, our planet The Earth is the only planet in the Solar System that has all of the conditions for life to develop. These conditions are the following: Its size, which allows the force of…
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