Activities

Choose the proper material according to the description

Pregunta

This material is hard, high resistant to environmental conditions, you can carve and polish.It's used in walls and floors. It's an igneous rock very resistant to impacts.

Respuestas

GYPSUM

SLATE

MARBLE

GRANITE

LIMESTONE

Retroalimentación

Pregunta

This material can be carved easyly, it's porous and susceptible to acid rain. It's used on floors and walls, in architecture, sculpture and to make cement.

Respuestas

SLATE

LIMESTONE

GRANITE

MARBLE

CONCRETE

Retroalimentación

Pregunta

It’s a mixture of cement, sand, gravel  and water 

Respuestas

CONCRETE

MORTAR

PLASTER

REINFORCED CONCRETE

Retroalimentación

Pregunta

It's processed from crushed Gypsum (dehydrated), then mixed with water to make a paste that hardens rapidly.  It's used to cover brick walls, to make archways, partitions etc.

Respuestas

PLASTER

CLAY

BINDER

MORTAR

CEMENT

Retroalimentación

Pregunta

It has a variety of natural colours, it's cold to the touch. It’s used  on countertops, floors, sculpture and walls.

Respuestas

SLATE

MARBLE

GRANITE

LIMESTONE

Retroalimentación

Pregunta

This material is hard, dense and compact. It's easy to separate into sheets and it's waterproof, it's used in roof coverings and paving stones.

Respuestas

SLATE

GRANITE

LIMESTONE

MARBLE

Retroalimentación

Pregunta

It’s a dry grey powder made from a mixture of crushed and heated Limestone, Clay and Gypsum.

Respuestas

CEMENT

PLASTER

MORTAR

CONCRETE

Retroalimentación

Pregunta

It’s a mixture of cement, sand and water. It hardens when mixed with water. It's used to hold together construction materials like bricks, cement blocks and paving stone, and it is also used for making artificial stone.

Respuestas

PLASTER

MORTAR

CEMENT

CONCRETE

Retroalimentación

Pregunta

It's a mixture of sand, limestone and soda. Obtained by melting in a furnace once given the shape, cooling it  to harden.

Respuestas

GLASS

CLAY

CERAMICS

PORCELAIN

KAOLIN

Retroalimentación

Pregunta

It’s soft, porous, resistant to high temperatures. We can mould it easily when it’s wet.

Respuestas

CLAY

GLASS

EARTHENWARE

CROCKERY

PORCELAIN

STONEWARE

Retroalimentación

Read the statement and answer if it is True or False

Pregunta 1

Terracotta is a ordinary clay that is usually a matte red colour. It is hard, rough and fragile.

Pregunta 2

Earthenware is baked clay and metal oxides. They can resist temperatures up to 3 000ºC.

Pregunta 3

 

Stoneware is made from refractory clay, has a glass-like appearance. It is very compactable and hard. 

Pregunta 4

Porcelain is made with kaolin. It is transparent, translucent, compact, acid-resistant and hard. 

Pregunta 5

Glass is a transparent or translucent material that have two different textures and colours. 

Complete the sentences with the proper word

Lea y complete con la palabra apropiada dentro del menú desplegable

Marble, and slate are materials found in nature as large blocks of rocks, but we can also find them in different sizes and fragments for example sand and .

are used to bind or join other materials together. Sand and gravel are used as binders to make for example asphalt and cement, , mortar and are also considered binders. All binders need for joining materials. When water is added, there is an exothermic chemical reaction that to a setting process.

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, hempcrete bricks, terrazo and fibre cement are binders that are also considered stones. Fibre cement is a mixture of fibres covered with mortar that is and resistant. are bricks made of a mixture of hemp fibre, soil and lime. They are and acoustic insulators. is a mixture of gravel and white cement and it's a very material.

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are made from clay. When is wet, it is both soft and , so it can be shaped very easily. Once clay , it becomes porous and chemically , as well as resistant to high temperatures. It has many different colours, it's abundant in nature and many .

Terracotta, and Refractory ceramics are ceramics. They are water-permeable. ceramics are with certain glass-like properties, e.g. Stoneware, . Glass is a transparent or translucent material that can have different textures and colours. It is made with a mixture of sand, , lime and soda, which is in a at temperatures of more than 1 400ºC. It is hard and smooth, but also fragile. Glass is resistant to weather and agents, as well as a good thermal, electrical and acoustic .

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