Monthly archives: January 2015


structures

STRUCTURES   A structure is a group of elements somehow united to support a load with stability. Examples of structures are  bridges, electricity pylons or dams. Can you think of others?. Well, you’ll probably think of tall buildings or long bridges, but there are also other examples such as chairs […]


Metals activities

Metals Metals2    Metals Activities  Metals activities for secondary school students Metals activities  A fantastic BBC video about the Blast Furnace   A blast furnace is used  for smelting to produce  iron. In a blast furnace, iron ore, limestone and coke are continuously supplied through  charging hole (the top of […]


ferrous and non ferrous metals

Metals Metals2    Metals Activities  Metals. No ferrous metals. Copper, Silver ..     Metals on earth   Apart from ferrous metals, there are other metals which are used alot in technological appliances. It is worth highlighting the use of (among others) copper, bronze, aluminium etc Pure non-ferrous products. Aluminium […]


Metals

Metals Metals2    Metals Activities  Metals. Ferrous metals. Iron, Steel and cast  iron. Siderurgy Prehistory In the metal ages there were three distinct periods, each of which is named for the materials that, because of their importance at these times, represented each period: The Copper Age (5000 years ago): owing […]


preguntas 1

Wood Materials Exercises Test 1 Test 2 Preguntas tipo para la 1º Evaluación   1º ¿ Como se clasifican los lápices ?.2º Dibuja una escuadra y un cartabón de forma que el ángulo que forme sea 60 º3º Repite lo mismo para que forme 135 º 4º Realiza la planta, […]


Material test 1

Wood Materials Exercises Test 1 Test 2 Test about Materials   Questions about Materials 1º How can you turn the water back to ice?. Does ice take up a bigger or smaller volume than water?. 2º Optical properties. Definitions and examples. 3º What is a Biodegradable material? 4º What happens […]


Materials exercises

Wood Materials Exercises Test 1 Test 2 Materials exercises    A Bit about Temperature and heat. Heat always travels from a warmer area to a cooler one. In a fridge, there is a heat-exchanging tube  ( Evaporator ) that absorb heat from the hoot food  and it is leaves  because […]


Materials ( Metals)

Wood Materials Exercises Test 1 Test 2 Metals    There are two significant groups of metals: Ferrous metals: contain iron. First figure ( boat ) Non-ferrous metals: do not contain iron. Example, copper tubes To choose the correct material for any particular task is essential for a manufacturing activity. Non-Ferrous […]


Materials and Wood

Wood Materials Exercises Test 1 Test 2 Materials and Components   Choosing the correct material for any particular task is essential for a manufacturing activity. Materials are divided into: Raw materials ( natural and artificial ) and Processed materials ( artificial materials ) Natural materials such as wood or stone […]