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Final self-evaluation 7 - The Hydrosphere
EduBook Organización
- 4788 visitas
Are the following sentences true or false? Desalination is a cheap and easy way of making fresh water from sea water. Desalination is a process for transforming salt water into fresh water. All the…
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Answer. Magma
EduBook Organización
- 4763 visitas
Answer the following questions: What is the core of the Earth's temperature in degrees Celsius? ºC What kind of reactions inside the Earth produce heat? What name is given to the mass of molten…
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End-of-unit activities - The Animal Kingdom (I). Invertebrates
EduBook Organización
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Today our planet is home to a great variety of organisms. This is the result of an evolutionary process that began some 3.5 billion years ago. Invertebrates are a very diverse group of animals that do…
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Temperature
EduBook Organización
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2.1. Atmospheric temperature Atmospheric temperature is the amount of heat in the air from solar radiation. Solar radiation reaches the Earth as rays of light. Latitude, altitude and distance from the…
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Answer. Energy
EduBook Organización
- 4707 visitas
Answer the following questions in your notebook: Does energy produce changes in materials? What is a renewable energy source? And a non-renewable energy source? Name one disadvantage of non-renewable…
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Learn. Eclipses - Waves. Light and sound
EduBook Organización
- 4620 visitas
Eclipses Since ancient times we have known what happens when the Moon or the Sun is hidden. This effect is called an eclipse. Eclipses of the moon This happens when the Earth moves between the Sun and…
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Listening (I) - A Bad Night
EduBook Organización
- 4213 visitas
Listen to the first part of Chapter Five. Are these sentences true (T) or false (F). Mary and Colin read books together. Nothing is growing in the secret garden. Colin gets angry with Martha because she…
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Complete. Location
EduBook Organización
- 4581 visitas
Find the mistakes in the following sentences and correct them: Parallels are imaginary circles parallel to the Earth's axis and perpendicular to each other. Latitude is the distance from any point…
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Complete. Photosynthesis
EduBook Organización
- 4501 visitas
Complete the formulas of photosynthesis and respiration: chemical energy - oxygen - glucose - carbon dioxide - solar energy Photosynthesis water + + –––––> + oxygen Respiration glucose +…
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Complete a summary. Animal reproduction
EduBook Organización
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Write the following words in the correct spaces: splitting oviparous asexual outside metamorphosis internal viviparous embryo ova sexually mother egg sperm external Animals can reproduce or asexually.…
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