Recursos educativos when página 165

Mostrando resultados de 1894

Effects of heat on bodies (II)
EduBook Organización
2049 visitas
4.1. Expansion The term expansion refers to the increase in a substance's volume. This causes a reduction in the substance's density. The opposite effect is called contraction. The particles…
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Changes of state
EduBook Organización
2050 visitas
2.1. Changes of state of water Water is the best known example of a substance that occurs in the three states. Changes of state are caused by the action of heating or cooling (or changes in pressure).…
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Identifica. Noticia periodística
EduBook Organización
2035 visitas
Identifica las seis “W” de esta noticia –del inglés Who (Quién), What (Qué), Where (Dónde), When (Cuándo), Why (Por qué) y How (Cómo)– y otras informaciones adicionales: detalles del…
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Comprehension check (PET)
EduBook Organización
1 lo usan

1829 visitas
Look at the sentences below about the events and characters in Part Six and decide if each sentence is correct or incorrect. Mr Otis and Cecil rode to the station to ask about Virginia. The Otis family…
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Final Autoevaluation 1.02 - Plant nutrition
EduBook Organización
2004 visitas
Graph a shows how the size of the pores in the stomata changes when a plant is exposed to light. Describe the changes: ➞ At... o'clock the pores measure... By... o'clock they... bigger/smaller…
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The weather
EduBook Organización
2007 visitas
Climate. Climate describes the general weather conditions of an area over a period of time. Precipitation. Precipitation can fall as rain, snow or hail. Clouds. Clouds are formed when water vapour cools…
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Learn. Reading graphs
EduBook Organización
2011 visitas
Graphs and charts are helpful tools in geography because they provide us with a lot of information very quickly. It is very important to be accurate and precise when reading a graph, and to explain as…
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Tools and machines
EduBook Organización
2019 visitas
What is a tool? A tool is an instrument that we use to make our work easier. We operate tools using our hands. Humans used rocks, bones and sticks to make the first tools. These included axes, hammers…
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The rural problem
EduBook Organización
1 lo usan

1794 visitas
There is no doubt that, as I said, one of the greatest ills we suffer is the unequal distribution of land and that most of it is in the hands of the few (...). That the excessive extension of this…
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Chemical reactions
EduBook Organización
1994 visitas
What is a chemical reaction? Chemical reactions are processes that turn certain substances into other substances. These are the products of the reaction. Heat is sometimes a product of the reaction.…
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