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End-of-unit evaluation - Energy inside the Earth
EduBook Organización
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The inside of the Earth is extremely hot and material that rises up from it is responsible for many of the geological phenomena seen on the surface. The Earth's energy is evident when volcanoes…
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Introduction - Energy inside the Earth
EduBook Organización
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The inside of the Earth is extremely hot and material that rises up from it is responsible for many of the geological phenomena seen on the surface. The Earth's energy is evident when volcanoes…
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Match. Forces and their characteristics
EduBook Organización
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Match the types of forces with their characteristics. The force is perpendicular to the surface and if the surface is horizontal, its magnitude is equal to the weight of the object. Objects held by…
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Summaries - Our planet Earth
EduBook Organización
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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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Find out more The planets of our Solar System - The Universe and our Sol...
EduBook Organización
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The inner planets The four inner planets are also called terrestrial planets. They are Mercury, Venus, Earth and Mars. The inner planets are rocky, and relatively small. They have few satellites.…
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The functions of the nervous centres
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The cerebrum The cerebrum is the most important nervous centre. It contains over 10 billion neurons and represents 80% of the volume of the brain. The outer surface, which is 1.5 to 4 millimetres thick,…
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Unit 2: Matter: Mass, Volume and Density
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Capacity (n): the volume a container can hold. concave meniscus (n): the downward curvature of a liquid at its surface. convex meniscus (n): the upward curvature of a liquid at its surface. cubic metre…
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The geosphere
EduBook Organización
- 1972 visitas
What is the geosphere made of? The geosphere is made up of rocks. Rocks are natural materials. They are usually hard and dense, and are made up of chemical substances called minerals. For example,…
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Water vaporisation and evaporation
EduBook Organización
- 1917 visitas
Vaporisation, or boiling, only occurs at the boiling point (100°C). The whole volume of water that is boiling vaporises. Evaporation occurs when only the particles on the surface of the liquid change…
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