Recursos educativos body página 60

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True/false. Density
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Are the sentences true or false? An object that occupies 2805 mm3 and has a mass of 1.3 g floats on water. Density is calculated using the mass and the temperature of a body. A substance floats when it…
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Reproduction in mammals
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3.1. Reproduction in mammals Mammals reproduce by internal fertilisation. They are viviparous. Males have a penis that they use to introduce sperm into the female's body. Fertilisation then takes…
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Think about it. The physical properties of matter
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Remember what you have studied in this section and answer the questions: Can solids be compressed? Give arguments for and against this idea. All materials expand when you heat them. Why? →…
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Entry test 01 - The first civilizations: Mesopotamia and Egypt
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Complete the following text with the correct word below: pyramid – afterlife – pharaoh – hieroglyphics – mummification – sarcophagus The king of ancient Egypt, or , had absolute power. When he…
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New World 3 Andalucía. Natural, Social and Cultural Environment
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D. Living things 1. Human beings 2. Looking after my body 3. The five senses 4. Animals 5. Plants G. Glossary C. Chants 6. Water 7. Landscapes 8. Maps 9. Villages, towns and cities 10. Living in society…
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End-of-unit evaluation - The nervous system
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Right now, you are reading these words and you understand them. If you see food when you are hungry, your mouth starts to water. If you burn your hand, you move it away immediately. You automatically do…
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Complete. One type of asexual reproduction
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Replace the underlined words in the text with the correct ones: separate bud Sponges budding In splitting , a new cell develops on the animal's body, called a grain . It grows to form a new…
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Complete. Starfish
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Fill the spaces with the correct words: radial echinoderms corals cnidarians cnidarians jelly-fish tentacles echinoderms The bodies of and have radial symmetry. An animal with symmetry has a body…
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Complete. Reptiles
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Complete the following sentences with the missing words: were the first vertebrates to live completely on land. The bodies of snakes are covered in . Reptiles have four limbs that end in toes. Most…
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Balanced diet
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In this lesson we learn what types of food provide the essential vitamins and minerals needed for a body to function well as well as the quantities of carbohydrate, protein, fat, fibre and water that…
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