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End-of-unit activities - The Hydrosphere
EduBook Organización
2094 visitas
The hydrosphere is the part of the Earth where water can be found. This water includes oceans, seas, rivers, lakes, snow, ice, groundwater and water vapour in the atmosphere. The Earth is the only…
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$Reflection and refraction of light | Recurso educativo 585528$
Reflection and refraction of light
EduBook Organización
2044 visitas
Objects reflect light When light shines on an object, sometimes it passes through the object and other times it reflects off it. When an object reflects light, we can see it. Mirrors A mirror is a…
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Volcanoes
EduBook Organización
2044 visitas
2.1. Volcanoes Volcanoes are formed when magma rises to the surface of the Earth (figure 1). During an eruption, there are explosions when gases escape from the magma. The lava pours out and forms lava…
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Unit 12: Waves. Light and sound
EduBook Organización
2032 visitas
Amplitude (n): the distance between a crest or a trough and the equilibrium position of a wave. converging lens (n): a lens which concentrates the light which passes through it. deafness (n): not being…
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Matter and Motion (videos)
PBS Kids Organización
1 lo usan

3236 visitas
Collection of videos for young students related to matter and motion. There are videos about: Baseball, Basketball, Circus Stunts, Curling, Diving, Extreme Sounds, Fencing, Freeride Skiing, Hockey,…
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Summaries - Weather and climate
EduBook Organización
2004 visitas
1. The atmosphere The atmosphere is a gaseous layer more than 1000 m thick that surrounds the Earth and that serves to: Prevent the Sun’s rays from directly reaching the Earth’s surface. Protect the…
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Final Autoevaluation T07 01 - Energy inside the Earth
EduBook Organización
2009 visitas
Answer true or false: The Earth's interior is hotter than the surface. Tectonic plates are about 100 meters thick. Most tectonic plates have continental and oceanic parts. The most active areas of…
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Complete. Objects reflect light
EduBook Organización
1943 visitas
Complete this text with the correct words: When light shines on an object, sometimes it passes through the object and other times it reflects off it. When an object light, we can see it. For example, we…
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Summaries - The Atmosphere
EduBook Organización
1939 visitas
1. Parts of the atmosphere The atmosphere is a layer of gas that surrounds the Earth. It has five layers: the troposphere, the stratosphere, the mesosphere, the thermosphere and the exosphere. The…
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Unit 9: Motion and forces
EduBook Organización
1920 visitas
Accelerate (v): to go faster; to increase in velocity. apparent weight (n): the total sum of forces acting on a body. area (n): a quantity which expresses the extent of a twodimensional surface.…
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