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Globalisation and inequality
EduBook Organización
- 2658 visitas
5.1. Inequality in levels of well-being The globalisation of economies has seen the gap between MEDCs and LEDCs, in terms of development and well-being, become more pronounced. Several basic indicators…
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Climate change
Tiching explorer Organización
- 3999 visitas
This page defines what climate change is and explores the causes of greenhouse gases, thier impact on the weather and on our health. We learn to measure our carbon footprint and we discover some ways to…
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Complete. Liquid, solid and gas
EduBook Organización
- 2412 visitas
Complete the following sentences: liquid properties volume matter fixed gas one solid The three states of are , and . To measure the of a liquid we use a measuring cylinder. Pure substances are made of…
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Did you know?
EduBook Organización
- 2252 visitas
The blue whale is the largest animal that has ever lived on Earth; it can measure over 30 m and weigh up to 130 tonnes. When a blue whale calf stops drinking its mother's milk, it measures 15 m.…
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Work it out. Animal reproduction
EduBook Organización
- 1 lo usan
- 1920 visitas
A scientist proposes to measure the effect of temperature on the growth of tadpoles. To do this, he prepares two tanks of water. Tank A contains water at 20 °C, and tank B, at 24 °C. He quickly…
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Complete. The study of earthquakes
EduBook Organización
- 2029 visitas
Complete the text using the words below: Richter - seismographs - seismograms - seismic - magnitude waves travel through the Earth's interior. The instruments used to measure the waves are called ,…
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True/false. Heat
EduBook Organización
- 2009 visitas
Decide if the following statements are true or false: The Sun is the main source of heat. ➝ Heat or heat energy passes from cold objects to hot objects. ➝ Geysers and hot springs are artificial…
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Final self-evaluation 07 - Energy
EduBook Organización
- 2018 visitas
Decide if the following statements are true or false: When an object dilates, its volume is reduced. ➝ The electric current in a light bulb produces light and heat. ➝ Geysers and hot springs are…
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Interpret. A table
EduBook Organización
- 1816 visitas
In order to analyse the amount of humus in the soil, we react a sample of it with hydrogen peroxide. The carbon in the organic material reacts with this compound and as a result, the reaction gives off…
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Calculate. Measuring living things
EduBook Organización
- 1801 visitas
To measure living things as small as bacteria or viruses, we use nanometres (a billionth of a metre) and micrometres (a miliionth of a metre). What fraction of a millimetre are a micrometre and a…
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