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Recursos educativos
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Nivel educativo
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Competencias
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Tipología
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Idioma
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Tipo de medio
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The states of matter and their properties
EduBook Organización
- 1998 visitas
1.1. Matter All things in nature are made of matter. Matter is anything that occupies space and can be weighed. Matter is made of different substances with different properties. 1.2. States of matter…
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Atoms and molecules
EduBook Organización
- 1995 visitas
3.1. Atoms The smallest units of matter are called atoms. All substances are made up of atoms. Atoms contain three types of particles: protons, neutrons and electrons. Protons and neutrons are located…
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Length and surface area
EduBook Organización
- 2006 visitas
3.1. Length The length of an object is the measurement along a certain dimension (usually the longest). The unit of length in the International System of Units (SI) is the metre (m). Multiples and…
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Choose. Area and volume
EduBook Organización
- 2005 visitas
With the following formulas you can calculate flat surface areas or the volumes of geometric bodies. Choose a figure or body for each formula: π x r2 x h → a2 → a x b x c → a x b → 4 x π x…
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Initial evaluation 2 - The Earth's Crust
EduBook Organización
- 2010 visitas
Complete the following sentences with the missing words: A rock is a material that is generally hard and dense and made up of different chemical substances known as . Granite, for example, is a common…
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Did you know?
EduBook Organización
- 1999 visitas
The continents occupy 149 million km2, and the oceans 361 million km2. There are regions of the continents that are a little more than 8 km high. There are trenches in the oceans that are almost 11 km deep.
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Answer. The chemical composition of living things 2.1
EduBook Organización
- 2002 visitas
What is the difference between chemical elements, bioelements and biomolecules?
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IT and telecommuting
EduBook Organización
- 2005 visitas
Information technology (IT) includes computers, mobile networks and the Internet. IT has changed how people work and it has created new ways of working. Today, some people work by telecommuting. They…
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Investigate. Marine research in Spain
EduBook Organización
- 2003 visitas
If you want to know more about marine research in Spain, go to the web site of the Instituto Español de Oceanografía (IEO): http://www.tiching.com/18283. Look at the map of Spain and find out where…
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Spain's cultural heritage
EduBook Organización
- 1999 visitas
Spain's cultural heritage atttracts large numbers of tourists. The restoration of castles, palaces and cathedrals is often carried out in the name of tourism. Meanwhile, new buildings and spaces are…
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