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Minerals (II)
EduBook Organización
- 1 lo usan
- 2171 visitas
3.1. Mineral properties Mineralogy is the science of studying minerals. Minerals can be identified according to their physical and chemical properties. The most important properties are density,…
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Initial evaluation 2 - The Earth's Crust
EduBook Organización
- 2371 visitas
Complete the following sentences with the missing words: A rock is a material that is generally hard and dense and made up of different chemical substances known as . Granite, for example, is a common…
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Self-evaluation 7 - Society and the environment
EduBook Organización
- 2283 visitas
Write the number that each polluting agent refers to on the drawing: acid rain rubbish crude oil dumped by ships chemical waste from industry fuel burnt by motor vehicles domestic waste water smoke from…
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Self-assessment T10 03 - Machines and structures
EduBook Organización
- 2235 visitas
Match the definitions to the terms: A machine that converts another type of energy into electrical energy. A generator which uses magnetism to change kinetic energy into electrical energy. A machine…
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Video game: Amino Acids game
Tiching explorer Organización
- 2677 visitas
The aim of the player is to locate and destroy the amino acid indicated in the box. We can move our "ship" using the arrows in our keyboard and we can shoot with the spacebar. Students have to…
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Photosynthesis
Tiching explorer Organización
- 2683 visitas
This animated presentation describes the phases in the photosynthesis: light and dark reactions. We study the chemical processes to produce ATP and NADPH and to transform them into carbohydrate…
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How do bees make honey?
Tiching explorer Organización
- 2503 visitas
This presentation explains the tasks of the different kinds of bees in the hive: guards, scouts, workers, drones, the queen, etc... By clicking on the underlined words we can listen to their…
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A saturated salt solution
Tiching explorer Organización
- 2280 visitas
In this lesson we learn how water molecules create bonds with salt ions. There is a Whiteboard presentation on solutions and a series of student's activities on saturated solutions. By watching…
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Fertilisers
EduBook Organización
- 2077 visitas
Fertilisers are mixtures of chemical substances, including many biolelements. They are used to enrich the soil and improve plant growth. They usually contain nitrogen, phosphorus, potassium and…
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Match. The colonies resources
EduBook Organización
- 2051 visitas
Match each definition with a concept: Black mineral rich in carbon used as a fuel. Hard, shiny metallic element with magnetic properties. Metallic chemical element, bluish-white in colour, used to make…
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