Stones and ceramicsOnline version Technology in secondary school for spanish speakers by tekno TEKNESO 1 How are stones found in nature? Escoge una o varias respuestas a Sand b Gravel c Large blocks of rock d Fragments or granules 2 The most common stones are... Escoge una o varias respuestas a Slate b Granite c Marble d Coal e Clay f Concrete 3 Which stone has high density, is cold to the touch, hard, high resistance to environmental conditions? Respuesta escrita 4 Which stone has a wide range of colours? Respuesta escrita 5 What stone is mainly used to cover roofs and for pavements? Respuesta escrita 6 What stone is waterproof due to its hardness, density and compacity? Respuesta escrita 7 What stone is extracted in smooth and flat pieces? Respuesta escrita 8 What stones becomes brilliant when polished? Respuesta escrita 9 What properties characterize the slate? Escoge una o varias respuestas a It's coid to the touch b It's highly dense c It has high resistance to environmental conditions d It's hard and compact e It's used in architecture and in sculpture 10 What properties characterize the marble? Escoge una o varias respuestas a It's cold to the touch b It's highly dense c It has high resistance to environmental conditions d It's hard and compact e It's used in architecture and in sculpture 11 What properties characterize the plaster? Escoge una o varias respuestas a Very strong and resistant b Made from cement and sand, hardens when mixed with water c Used to make foundations for buildings, bridges, etc. d Processed from crushed gypsum that is dehydrated e It hardens rapidly f It is resistant to pressure and to fire 12 What properties characterize the mortar? Escoge una o varias respuestas a It hardens rapidly b Made from cement and sand, hardens when mixed with water c Used to make foundations for buildings, bridges, etc. d Processed from crushed gypsum that is dehydrated e It is resistant to pressure and to fire 13 What properties characterize the concrete? Escoge una o varias respuestas a It hardens rapidly b Made from cement and sand, hardens when mixed with water c Used to make foundations for buildings, bridges, etc. d Processed from crushed gypsum that is dehydrated e It is resistant to pressure and to fire f It's a mixture of gravel, sand, water and cement that can be reinforced with steel barrs Explicación 1 These materials are found in nature as large blocks of rock or in different sized fragments o granules such as gravel and sand 2 Slate (Pizarra), Marble (Mármol), Granite (Granito) 3 Granite or marble 6 Slate 7 Slate 8 Granite or marble 9 Slate (Pizarra) 10 Marble (mármol) 11 Plaster (Yeso- Enlucido-Revoque) 12 Mortar (Mortero) 13 Concrete (Hormigón)
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