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The physical relief of Spain
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The relief of Spain The physical relief of Spain has many different features: The Meseta is a large plateau in the centre of Spain. The Sistema Central is a mountain range that divides the Meseta into…
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Asexual reproduction in animals
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1.1. Types of reproduction The type of reproduction seen in an organism is related to its complexity. The animals that have evolved the most, like vertebrates, reproduce sexually. In contrast, asexual…
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Interpret. The length of Spain's rivers
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Study the graph and answer the following questions: Which type of rivers are short with a high flow? Which river that flows into the Atlantic is the longest? And which is the longest that flows into the…
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Complete. Fish
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Complete the sentences with the missing words: Fish breathe through . Fish reproduce through external fertilisation ( fish) or internal fertilisation (viviparous fish). The protects the gills of bony…
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Self evaluation 5 - Our planet Earth
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Match each sentence with one of the sections: From the Earth, the Sun appears to rise in the east and set in the west. The Earth's dimensions explain its shape of being slightly flattened at the…
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True/False. Light, shadow and penumbra
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Answer true or false: Each of the directions that light propagates in is called a ray. The shadow proves the existence of rectilinear propagation of light. There is no difference between the shadows…
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The Mediterranean landscape
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5.1. The Mediterranean landscape The Mediterranean landscape is found on the coasts of the Mediterranean Sea, California, central Chile, South Africa and southern and southwest Australia. In the…
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Check. Energy transfer
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Remember what you have studied in this section and answer the questions: What is heat? When a body absorbs thermal energy, what does it use it for? What is a heat source? With a classmate, give examples…
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Check. Effects of heat on bodies
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Remember what you have studied in this section and answer the questions: Which factors affect the increase in temperature that a body experiences when it is heated? What is the specific heat of a…
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Match. Raw sap and elaborated sap
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Match each sentence with the correct type of sap: This is made up of water and mineral salts. The phloem system transports. It moves from the leaves to the rest of the plant. It moves through the xylem…
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