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Materials naturals
EduBook Organización
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Classes de materials naturals Els materials naturals, anomenats també matèries primeres, poden tenir tres tipus de procedència: Animal, com la llana, el cuir o la seda. Vegetal, com la fusta o el…
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Contesta. Producció i consum d'energia
EduBook Organización
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Recorda el que has treballat en aquest apartat i contesta: Quines són les formes d'energia més utilitzades? D'on s'obté l'energia elèctrica que consumim? Quins efectes tenen els…
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Rivers: the Mediterranean watershed
EduBook Organización
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Rivers of the Iberian Peninsula The volume of water in rivers is called the flow. It influenced by climate. The rivers in areas where there is a lot of rain carry more water than the rivers in areas…
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Think. Characteristics of subtropical climate
EduBook Organización
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Answer these questions about the subtropical climate: Which two islands in the Canary Islands are the most arid? Which climate is hotter? Subtropical or Atlantic?
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Interpret. Classifications
EduBook Organización
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This graph shows the proportion of species in each group of animals. Look at the graph and answer the questions: Which animal group has the most species? Which has the least? Are there more species of…
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Order. Metamorphosis
EduBook Organización
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These photos show the different stages of metamorphosis in a frog, but they are in the wrong order. In your notebook, put the stages in the correct order and explain each of the stages.
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End-of-unit evaluation - Animal reproduction
EduBook Organización
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In the last unit you learnt how humans reproduce sexually. Most other animals also reproduce sexually, by the fertilisation of an egg by a sperm. This involves the participation of a male and a female.…
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Summaries - Matter and materials
EduBook Organización
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1. Properties of matter: mass, volume and density Matter is the substance that an object is made of. Matter has two properties: mass and volume. Mass is the amount of matter in an object. Mass is…
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Answer. Chemical reactions
EduBook Organización
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Remember what you have studied in this section and answer the questions: What is a chemical reaction? What is combustion? What is oxidation? What is fermentation?
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Complete. Liquid, solid and gas
EduBook Organización
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Complete the following sentences: liquid properties volume matter fixed gas one solid The three states of are , and . To measure the of a liquid we use a measuring cylinder. Pure substances are made of…
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