Plastics Fabrication Adhesives Exercises Most plastics are made from oil. Plastics are man-made materials. They are a useful invention because they are waterproof, easy to shape and tough. They have taken the place of traditional materials like wood and metal in many products. It is bad to waste plastic, as […]
Structure exercises Posted on November 14th, 2009 by Technology Department STRUCTURES TYPES OF FORCES THAT ACT ON A STRUCTURE 1º Fill in the blanks in these statements. (a) The two main kinds of structures are _______ and _______ structure. (b) If a frame structure has no ‘skin’ on it, […]
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 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 […]
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 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 […]
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, […]
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 […]
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 […]
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 […]
