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Arthropods
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Characteristics of arthropods Arthropods are the largest animal group on Earth. The most characteristic feature of arthropods is their external skeleton. The articulated exoskeleton (external skeleton)…
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Check. Light and colours
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Remember what you have studied in this section and answer the questions: What are the three primary colours of light? Why are they called this? What are the three primary colours of pigments? What do we…
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The Universe
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The Universe is made up of all the celestial bodies and all the enormous space around the celestial bodies. The most important celestial bodies are the stars. Stars Stars are gigantic balls of very hot…
- SECUENCIA DIDÁCTICA
- 3 recursos
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Fish
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1.1 Characteristics of fish Fish are perfectly adapted to aquatic life. They are the most numerous and diverse group of vertebrates. There are two main groups of fish: bony fish and cartilaginous fish.…
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Ocean dynamics
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3.1. How oceans and seas move The water in oceans and seas is always moving because of waves, tides and ocean currents. Waves Waves are caused by wind moving the water on the surface of the sea. The…
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The Earth's relief
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5.1. The relief of the continents The surface of the continents is not smooth or uniform. The relief includes mountains, plains, plateaus and valleys. Islands in the oceans and seas can be part of the…
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Summaries - The Middle Ages
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1. The Iberian Peninsula during the Middle Ages The Middle ages ended at the end of the 5th century AD, when the Roman empire was invaded by peoples from the north and east of Europe. Hispania was…
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A visit to Stonehenge
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When the twins get home everyone is waiting for them. Mrs Black is there, too. ‘What do you think of our little village?’ she asks. ‘The village is lovely, but some of the people are strange,’…
- SECUENCIA DIDÁCTICA
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More information about Learning About Ratios: A Sandwich Study | NSDL.org -
Vicent M Valls Solbes Docente
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This lesson introduces students to the concept of ratio through a hands-on, delicious experiment. After an introductory activity where students identify the ratio of girls to boys in a group of 10…
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Answer. Unicellular and multicellular organisms
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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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