Recursos educativos an página 419

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Waves
EduBook Organización
3233 visitas
1.1. Vibratory motion If we hold one end of a sheet of steel and then move or hit the free end, the sheet will vibrate from one side to the other from its initial position (figure 1). We can compare…
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The natural environment
EduBook Organización
3212 visitas
1.1. The energy of the sun and life The ecosphere is a hypothetical zone existing around any star where the temperature allows life to exist. The conditions which make it possible for life to exist on…
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Answer. Unicellular and multicellular organisms
EduBook Organización
3201 visitas
Remember what you have studied in this section and answer the questions: What are organisms made up of a single cell called? How do they reproduce? What do we call living things that are made up of many…
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Summaries - Our planet Earth
EduBook Organización
3200 visitas
1. The geosphere Most of the Earth is made up of the geosphere. This is a large sphere of rock with a diameter of 13 000 km. The rocks on the surface of the geosphere are hard and dense. They are made…
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Introduction - The Population of Spain
EduBook Organización
3199 visitas
Spain is not densely populated compared to other European countries. However, in the 20th century the population began to grow. The major changes in Spain's population in recent decades have been…
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The effects of heat
EduBook Organización
3191 visitas
Changes of temperature If we put a hot object in direct contact with a cold object, heat will travel from the hot object to the cold object. The temperature of the hot object goes down. We can say that…
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Reading - Go back to the text
EduBook Organización
3004 visitas
Look back at Parts One to Five of Treasure Island and find the names of: the man on the island: Ben Gunn the ship the old pirate who stayed at the inn Jim’s parents’ inn the ship’s cook the pirate…
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Video about present perfect and simple past
British Council Organización
1 lo usan

3699 visitas
After watching "Transport and Travel Scene 2" (from the "Word on the Street" series), in this video we focus on the difference between using present perfect with an unfinished time…
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Human reproduction and sexual differences
EduBook Organización
3175 visitas
Human reproduction Humans start life as a single microscopic cell in the wombs of their mothers. This cell is called a zygote. The zygote is formed by the union of two cells: the ovum (or egg cell) from…
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Scratch Junior
Helena García Cases Docente
3 lo usan

2469 visitas
ScratchJr is an introductory programming language that enables young children (ages 5-7) to create their own interactive stories and games. Children snap together graphical programming blocks to make…
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