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Think. Matter and its properties
EduBook Organización
7178 visitas
Answer the questions: Give five examples of substances. Write the names of five objects that you can see around you; name the main substance that they are made of and list some of its properties. When…
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Check. The Germanic kingdoms
EduBook Organización
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Review what you have studied and answer the questions: What type of government did the Germanic peoples have? What elements of Roman organisation did they maintain? How did life change after the fall of…
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Check. The Earth is an ecosystem
EduBook Organización
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Review what you have studied and answer the questions: What is an ecosystem? What role does vegetation play in the relationships of the Earth's ecosystem? Can a small change cause serious…
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The development and care of young
EduBook Organización
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How do young animals develop? Young animals can grow into adults in two ways: By direct development. The young look very similar to their parents. They only need to grow and change a little to become…
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Evolution and biodiversity
EduBook Organización
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1.1. The great diversity of living things Species can change. They undergo a gradual transformation over time. This change is known as biological evolution. Biological evolution is due to a series of…
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Unit 14: Nature and society: harmony, crisis and impact
EduBook Organización
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Acid rain (n): rain that contains harmful chemicals as a result of burning fossil fuels such as coal and oil. aquifer (n): a layer of rock or earth under the ground that contains water. biodiversity…
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History and memory
Tiching explorer Organización
2624 visitas
In this unit we can becom aware that both memory and history are selective interpretations of the past, which may change with the storyteller and always change over time. We are provided wth readings,…
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Reported statements and questions
EduBook Organización
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“He said we would travel.” Statements After reporting verbs in the past, we use tenses one step back in time. Sometimes we also have to change pronouns and place/time words. Questions In reported…
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States of Matter
Cristina Seco Organización
285 visitas
Watch different types of molecules form a solid, liquid, or gas. Add or remove heat and watch the phase change. Change the temperature or volume of a container and see a pressure-temperature diagram…
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Color Vision
V&V Books Vicens Vives Organización
8262 visitas
Make a whole rainbow by mixing red, green, and blue light. Change the wavelength of a monochromatic beam or filter white light. View the light as a solid beam, or see the individual photons.
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