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The Metal Age
EduBook Organización
- 2495 visitas
Copper, bronze and iron At the end of Prehistory, people started to use metals to make things. We call this period of Prehistory the Metal Age. People started using the first metals in about 3000 BC.…
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Classify. Primary and secondary pollutants
EduBook Organización
- 5433 visitas
Classify these pollutants into primary and secondary: Carbon oxides, like CO2. Sulphuric acids. Carbonic acids Particles of metals. Sulphur oxides, like SO2.
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Check what I know
EduBook Organización
- 1654 visitas
Which type of industry makes these products? computers → metals → perfumes → televisions → biscuits → fabric → Name four types of workers in the construction industry.
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When are Roman numerals used when naming compounds? | Socratic
V&V Books Vicens Vives Organización
- 1 lo usan
- 872 visitas
An explanation with a video showing why and how Roman numerals are used to show the oxidation number of transition metals
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Material properties
Maria Pallarés Docente
- 1 lo usan
- 12427 visitas
BBC Bitesize webpage about the properties of materials. Students can find out that materials have different properties that make them useful for different jobs. This section includes: material…
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Interpret. Electric cable
EduBook Organización
- 1929 visitas
Look at the picture and answer the questions: What metal is used to make the leads for electrical appliances? What two characteristic properties of metals make this metal suitable for this use?
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Final self-evaluation 09 - Prehistory
EduBook Organización
- 1330 visitas
Complete the first part of each sentence with an ending which is correct and makes sense: The first metals that people used were . Trade increased thanks to the invention of . The last period of…
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The secondary sector
EduBook Organización
- 5224 visitas
In the secondary sector people use products obtained in the primary sector to make materials like metals, finished products like cars, or energy like electricity. Mining Miners work in a system of…
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The secondary sector: mining and energy production
EduBook Organización
- 4021 visitas
Mining Spain mines a small amount of metals. This includes gold in Asturias, iron in Andalusia and tin in Castile-Leon. The sector that processes rocks and industrial minerals is growing. Natural stone…
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Answer true or false
EduBook Organización
- 3722 visitas
Answer true or false: We use scales to measure length. → Ceramic and glass are difficult to break. → Glass and wood are common materials. → Diamonds are used to make jewellery. → …
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